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- THOMAS-CONRAD CORPORATION
- SECTRA TOKEN RING SERVER FOR DOS
- USER'S GUIDE
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- Version 1.00
- October, 1992
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- Thomas-Conrad Corporation
- 1908-R Kramer Lane, Austin, Texas 78758
- 24 Hour Technical Support, (800) 334-4112
- (800) 332-8683, (512) 836-1935
- In Canada, (800) 654-3822
- In Europe, +49 (211) 5048-781
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- Copyright 1992
- All Rights Reserved
- DISCLAIMER
-
- THOMAS-CONRAD CORPORATION (HEREAFTER REFERRED TO AS "TCC")
- MAKES NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE
- CONTENTS OR USE OF THIS DOCUMENT OR ANY TCC SOFTWARE, ALL OF
- WHICH IS PROVIDED AS IS, WITH ALL FAULTS, AND WITHOUT WARRANTY,
- EXPRESS OR IMPLIED. IN PARTICULAR, BUT WITHOUT LIMITATION OF
- THE FOREGOING, TCC MAKES NO WARRANTIES OF DESIGN, MERCHANTABILITY
- OR FITNESS FOR PARTICULAR PURPOSE OR WARRANTIES ARISING FROM A
- COURSE OF DEALING, USAGE, OR TRADE PRACTICE, ALL OF WHICH ARE
- SPECIFICALLY DISCLAIMED BY TCC. Additionally, TCC reserves the
- right to revise or make changes to all or any portion of any
- publication or any TCC software, at any time, without obligation
- to notify any person or entity of such revisions or changes.
-
- TRADEMARKS
-
- The Thomas-Conrad logo is a registered trademark of
- Thomas-Conrad Corporation. Sectra is a trademark of Thomas-
- Conrad Corporation. NetWare and Novell are registered
- trademarks of Novell, Inc. IBM is a registered trademark of
- International Business Machine Corporation. Banyan and VINES
- are registered trademarks of Banyan Systems Incorporated.
-
- THOMAS-CONRAD CORPORATION
- LICENSE AGREEMENT
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- CAREFULLY REVIEW THE TERMS AND CONDITIONS PRINTED ON THE
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- THAT YOU DO NOT AGREE WITH ANY OF THEM, YOU SHOULD PROMPTLY
- RETURN THE PACKAGE UNOPENED, AND YOUR MONEY WILL BE REFUNDED.
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- Pursuant to this Agreement, you may: (a) use the program on
- a single computer; (b) copy the program into any computer-
- readable or printed form for back-up or modification purposes
- in support of your use of the program on the single computer
- (certain programs, however, may include mechanisms to limit
- or inhibit copying; they are marked "copy protected");
- (c) modify the program and/or merge it into another program
- for your use on the single computer, and (d) transfer the
- program and license to another party if the other party
- agrees to accept the terms and conditions of this Agreement.
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- Any portion of this program merged into another program will
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- Sectra Server for DOS
- Page ii
- YOU MAY NOT USE, COPY, MODIFY, OR TRANSFER THE PROGRAM, OR
- ANY COPY, MODIFICATION, OR MERGED PORTION, IN WHOLE OR IN
- YOU MAY NOT USE, COPY, MODIFY, OR TRANSFER THE PROGRAM, OR
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- PART, EXCEPT AS EXPRESSLY PROVIDED FOR IN THIS AGREEMENT.
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- TERM
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- The license is effective until terminated. You may terminate
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- It will also terminate upon conditions set forth elsewhere in
- this Agreement or if you fail to comply with any term or
- condition of this Agreement. You agree upon such termination
- to destroy the program together with all copies, modifications,
- and merged portions in any form.
-
- LIMITED WARRANTY AND REMEDIES
-
- Thomas-Conrad Corporation (TCC) warrants the diskette(s) on
- which the program is furnished to be free from defects in
- material and workmanship under normal use for a period of
- ninety (90) days from the date of delivery to you as evidenced
- by a copy of your receipt. This warranty is limited to you and
- is not transferrable.
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- During the 90-day warranty period, TCC will (1) replace any
- diskette not meeting the foregoing warranty and which is
- returned to TCC or an Authorized TCC Distributor with a copy
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- is unable to deliver a replacement diskette which is free of
- defects in materials or workmanship, you may terminate this
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- THE FOREGOING WARRANTY DOES NOT EXTEND TO ANY DISKETTE WHICH
- HAS BEEN DAMAGED AS A RESULT OF ACCIDENT, MISUSE, ABUSE, OR
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- EXCEPT AS EXPRESSLY SET FORTH ABOVE, NO OTHER WARRANTIES,
- EITHER EXPRESSED OR IMPLIED, ARE MADE WITH RESPECT TO THIS
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- AND TCC EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED HEREIN.
- YOU ASSUME THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE
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- ENTIRE COST OF NECESSARY SERVICING, REPAIR, OR CORRECTION.
- SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES,
- SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU. THIS WARRANTY
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-
- Sectra Server for DOS
- Page iii
- GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE
- OTHER RIGHTS WHICH VARY FROM STATE TO STATE. TCC does not
- warrant that the functions contained in the program
- will meet your requirements or that the operation of the
- program will be uninterrupted or error-free. You assume
- responsibility for the selection of the program to achieve
- your intended results, and for the installation, use, and
- results obtained from the program.
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- YOUR SOLE REMEDIES AND TCC'S ENTIRE LIABILITY ARE AS SET
- FORTH ABOVE. IN NO EVENT WILL TCC BE LIABLE TO YOU OR ANY
- OTHER PERSON FOR ANY DAMAGES, INCLUDING ANY INCIDENTAL OR
- CONSEQUENTIAL DAMAGES, EXPENSES, LOST PROFITS, LOST SAVINGS,
- OR OTHER DAMAGES ARISING OUT OF THE USE OF OR INABILITY TO
- USE SUCH PROGRAM.
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- SOME STATES DO NOT ALLOW THE LIMITATION OR EXCLUSION OF
- INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS,
- SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.
-
- GENERAL
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- You may not sublicense, assign, or transfer the license or
- the program except as expressly provided in this Agreement.
- Any attempt to otherwise sublicense, assign, or transfer any
- of the rights, duties, or obligations hereunder is null and
- void.
-
- If you have any questions concerning this Agreement,
- including warranty service, you should contact Thomas-Conrad
- Corporation, 1908-R Kramer Lane, Austin, Texas 78758.
-
- This Agreement will be governed by the Laws of the State of
- Texas.
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- YOU ACKNOWLEDGE THAT YOU HAVE READ THIS AGREEMENT, UNDERSTAND
- IT, AND AGREE TO BE BOUND BY ITS TERMS AND CONDITIONS. YOU
- FURTHER AGREE THAT IT IS THE COMPLETE AND EXCLUSIVE STATEMENT
- OF THE AGREEMENT BETWEEN US WHICH SUPERSEDES ANY PROPOSAL OR
- PRIOR AGREEMENT, ORAL OR WRITTEN, AND ANY OTHER
- COMMUNICATIONS BETWEEN US RELATING TO THE SUBJECT MATTER OF
- THIS AGREEMENT.
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- Sectra Server for DOS
- Page iv
- CONTENTS
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- PREFACE About This Manual
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- What You Should Know . . . . . . . . . . . . . . . . . . P-1
- Document Conventions . . . . . . . . . . . . . . . . . . P-1
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- CHAPTER 1 Product Overview
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- Features And Benefits . . . . . . . . . . . . . . . . . . 1-1
- Overview Of Sectra Operations . . . . . . . . . . . . . . 1-2
- The Client/Server Relationship. . . . . . . . . . . . . . 1-3
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- CHAPTER 2 Installation and Configuration
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- System Requirements . . . . . . . . . . . . . . . . . . . 2-1
- LLC Driver Installation . . . . . . . . . . . . . . . . . 2-1
- ODI Driver Installation . . . . . . . . . . . . . . . . 2-3
- Unloading Sectra Server for DOS . . . . . . . . . . . . . 2-5
- Configuring Sectra Server for DOS . . . . . . . . . . . . 2-6
- Specify Ring Parameters Window . . . . . . . . . . . . . 2-7
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- CHAPTER 3 Overview of Menus and Windows
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- The Sectra Menus and Windows . . . . . . . . . . . . . . 3-1
- Common Status Information . . . . . . . . . . . . . . . . 3-3
- Key Descriptions . . . . . . . . . . . . . . . . . . . . 3-4
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- CHAPTER 4 Selecting Sectra Functions
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- Selecting a Ring . . . . . . . . . . . . . . . . . . . . 4-1
- Selecting Sectra's Major Functions . . . . . . . . . . . 4-3
- Event Logging and Node Removal . . . . . . . . . . . 4-4
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- CHAPTER 5 Ring Data
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- Viewing Ring Data . . . . . . . . . . . . . . . . . . . . 5-1
- The Error Summary Window . . . . . . . . . . . . . . . . 5-3
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- CHAPTER 6 Viewing and Managing Node Data
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- Viewing a Node's Data . . . . . . . . . . . . . . . . . . 6-1
- Viewing a Node Data for Inactive Nodes. . . . . . . . . . 6-5
- Viewing a Node's Error Counters . . . . . . . . . . . . . 6-9
- Add or Modify a Nodes Data . . . . . . . . . . . . . . . 6-11
- Deleting a Node from Sectra's Database . . . . . . . . . 6-14
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- CHAPTER 7 Logging and Highlighting Events
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- Viewing Events as They Occur . . . . . . . . . . . . . . 7-1
- Event Log History . . . . . . . . . . . . . . . . . . . . 7-2
- Selecting Events to Log and Highlight . . . . . . . . . . 7-3
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- Sectra Server for DOS
- Page v
- CHAPTER 8 Setting Alarms
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- Configuring an Alarm . . . . . . . . . . . . . . . . . . 8-1
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- CHAPTER 9 Troubleshooting and Preventive Maintenance
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- Types of Token Ring Errors . . . . . . . . . . . . . . . 9-1
- Error Detection and Recovery Protocols . . . . . . . . . 9-3
- Active and Standby Monitor Functions . . . . . . . . 9-3
- Ring Poll Process . . . . . . . . . . . . . . . . . 9-4
- Ring Insertion Process . . . . . . . . . . . . . . . 9-5
- Monitor Contention Process . . . . . . . . . . . . . 9-6
- Ring Purge Process . . . . . . . . . . . . . . . . . 9-6
- Beaconing Reconfiguration and Removal . . . . . . . 9-6
- Establishing a Fault Domain . . . . . . . . . . . . . . . 9-7
- Troubleshooting Techniques . . . . . . . . . . . . . . . 9-8
- A Node Can't Insert into the Ring . . . . . . . . . 9-8
- Performance Degradation . . . . . . . . . . . . . . 9-10
- Beaconing . . . . . . . . . . . . . . . . . . . . . 9-12
- The Ring Has Recovered from Beaconing . . . . . . . 9-12
- The Ring Is Beaconing Continuously . . . . . . . . . 9-13
- Preventive Maintenance and Security . . . . . . . . . . . 9-14
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- Sectra Server for DOS
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- APPENDIX A Sectra Event Descriptions
- Event Types . . . . . . . . . . . . . . . . . . . . . . . A-1
- Event Descriptions . . . . . . . . . . . . . . . . . . . A-2
- Abort delimiter: {n} from {node_1} to {node_2} . . . A-2
- A/C error: {n} between {node_1} and {node_2} . . . . A-3
- Active monitor error event from {node} . . . . . . . A-3
- Active monitor present from {node} . . . . . . . . . A-4
- Alarm - {cause_of_alarm} . . . . . . . . . . . . . . A-4
- Beacon frame between {node_1} and {node_2} . . . . . A-5
- Burst error: {n} between {node_1} and {node_2} . . . A-5
- Claim token event from {node} . . . . . . . . . . . A-5
- Client Started . . . . . . . . . . . . . . . . . . . A-6
- Client Stopped . . . . . . . . . . . . . . . . . . . A-6
- Event filter set . . . . . . . . . . . . . . . . . . A-6
- Event logging started . . . . . . . . . . . . . . . A-6
- Event logging stopped . . . . . . . . . . . . . . . A-6
- Frame copy error: {n} reported by {node} . . . . . . A-7
- Frequency error: {n} reported by {node} . . . . . . A-7
- Internal error: {n} between {node_1} and {node_2} . A-7
- Line error: {n} between {node_1} and {node_2} . . . A-8
- Lost frame: {n} reported by {node} . . . . . . . . . A-8
- Neighbor notification incomplete - last: {node}. . . A-9
- New active monitor from {node} . . . . . . . . . . . A-9
- {node} blocked . . . . . . . . . . . . . . . . . . . A-9
- node counters reset . . . . . . . . . . . . . . . . A-10
- {node} inserted into ring ({n} nodes in ring) . . . A-10
- {node} left ring ({n} nodes currently in ring) . . . A-10
- {node_1} NAUN changed to {node_2} . . . . . . . . . A-10
- {node} removed . . . . . . . . . . . . . . . . . . . A-11
- {node} seen for first time ({n} nodes in ring) . . . A-11
- Receiver congestion: {n} reported by node . . . . . A-11
- Ring configuration change
- completed ({n} nodes in ring) . . . . . . . . . . . A-12
- Ring configuration changing . . . . . . . . . . . . A-12
- Ring counters reset . . . . . . . . . . . . . . . . A-12
- Ring purge event from {node} . . . . . . . . . . . . A-12
- Sectra Server for DOS loaded . . . . . . . . . . . . A-13
- Sectra Server for DOS unloaded . . . . . . . . . . . A-13
- Standby monitor present from {n} nodes
- - last: {node} . . . . . . . . . . . . . . . . . . . A-13
- Token error: {n} reported by {node} . . . . . . . . A-13
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- Sectra Server for DOS
- Page vii
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- Sectra Server for DOS
- Page viii
- About This Manual
-
- This manual provides step-by-step instructions for installing
- Sectra Token Ring Server for DOS and configuring the program
- for your token ring network. The manual also describes how
- to use the Sectra program to:
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- * Monitor the configuration and status of your network
- * Log ring events
- * Troubleshoot problems
- * Control node access to each ring in the network
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- What You Should Know
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- This manual is intended for network administrators and others
- who need to monitor, troubleshoot, and control access to
- networks. To use this guide successfully, you should know
- the basic principles of token ring operation, including the
- kinds of errors that can occur on token ring networks.
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- Document Conventions
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- In this manual, the following symbols are used as part of
- command and message formats.
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- [ ] Characters that appear between brackets indicate user
- input and must be entered exactly as shown. You can
- use any combination of upper and lowercase letters.
- For example "select [No] and press <Enter>".
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- { } Words that appear between braces are variables. If
- this word in braces is part of a command, replace the
- word with information relevant to the task. If a
- braced word (or phrase) is in a description of a
- message displayed by Sectra, Sectra replaces the
- word (or phrase) with information relevant to the
- message. For example, the phrase "{n} abort delimiters
- generated by {node_1}" in the manual could be
- displayed in the program "8 abort delimiters
- generated by 0001c80600c5".
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- < > Angle brackets enclose specified keys, for
- example <Enter>.
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- Sectra Server for DOS
- Page P-1
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- Sectra Server for DOS
- Page P-2
- CHAPTER ONE
- Product Overview
-
- This chapter, which provides an overview of Sectra Server
- for DOS, contains two sections:
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- * Features and Benefits
- * Overview of Sectra Operations
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- Features and Benefits
-
- Sectra Token Ring Server for DOS (hereafter called "Sectra Server
- for DOS") is a network management program that allows you to
- monitor, troubleshoot and control node access on IEEE 802.5
- token ring networks. Sectra Server for DOS resides on a
- workstation and can monitor and control up to two rings that
- have an adapter in the workstation.
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- Sectra Server for DOS works with NetWare, Banyan VINES, LAN
- Manager, IBM PC Lan, and other IEEE 802.5 compliant LAN
- operating systems to provide a comprehensive network
- management system.
-
- Sectra Server for DOS enables you to:
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- * Monitor the token ring configuration. Sectra Server
- for DOS maintains a database of all nodes and rings on
- the network. Sectra Server also allows you to specify
- names for rings and nodes, as well as other significant
- information. In addition, Sectra Server allows you to
- display nodes that are on the network.
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- * Monitor network errors and events in real time. From
- Sectra, you can view token ring errors and other
- significant network events as they occur.
-
- * Receive automatic notification of token ring error
- conditions. Sectra Server can automatically make a log
- entry when a specified type of error or event occurs.
- Sectra Server can also send an alarm notice to a Sectra
- client operating on the network.
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- * Review recent network history. Sectra Server for DOS
- maintains a log of recent token ring events that you can
- examine. A separate log is maintained for each ring in
- the workstation. You can specify the types of events
- that are logged.
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- * Isolate token ring faults. Sectra Server for DOS
- maintains error counters for each node and compiles
- error information for each ring in the network. This
- information is essential for identifying and
- troubleshooting network problems and for isolating
- errors between nodes.
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- Sectra Server for DOS
- Page 1-1
- * Control node access to the network. Sectra Server
- for DOS allows you to specify the days of the week
- and the hours of the day during which a node is
- allowed on a ring, thereby improving network security.
-
- You can access Sectra Server for DOS directly from the
- workstation, or from a Sectra client located on the network.
- Using a LAN utility such as Lan Assist allows remote access
- to Sectra Server for DOS, thereby enabling you to monitor the
- network from an off-site location.
-
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- Overview of Sectra Server for DOS Operations
-
- Sectra Server for DOS reads certain Medium Access Control
- (MAC) frames from each ring in the network. From these
- frames, Sectra Server for DOS extracts information about the
- configuration of rings, ring errors, and information about
- other significant events. After extracting pertinent
- information from MAC frames, Sectra Server for DOS updates
- its error counters. Sectra Server for DOS tracks errors for
- each node and compiles errors for each ring in the network.
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- Sectra Server for DOS also updates the configuration
- information it maintains for each ring and node. This
- information includes such items as a node's address and
- the number of nodes inserted into a ring.
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- Sectra Server for DOS maintains node information in such a
- way that the order of nodes on the ring is preserved in the
- database. This allows you to isolate errors between nodes.
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- Sectra Server for DOS automatically maintains error and
- configuration information about nodes and rings in the
- network. You can supply additional node information (such
- as the physical location of the node) that Sectra Server
- for DOS will store in its database.
-
- In addition to extracting error information from MAC frames,
- Sectra Server for DOS extracts information about other
- significant events that occur on the network. If you wish,
- Sectra Server for DOS can log these events on a ring-by-ring
- basis. You can specify that Sectra Server for DOS log only
- certain types of events (configuration events, error
- events, etc.).
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- You can tell Sectra Server for DOS to post an alarm to the
- event log when certain error conditions occur on a ring.
- Sectra Server for DOS can thus notify you of error conditions
- that you consider important. When Sectra Server for DOS
- detects an error condition that you have specified to trigger
- an alarm, an active Sectra client on the network can display
- an alarm message.
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- Sectra Server for DOS
- Page 1-2
- The Client/Server Relationship
-
- The Sectra Token Ring Management System is a network
- management program that allows you to monitor and control
- IEEE 802.5 token ring networks. The Sectra Token Ring
- Management System is made up of three components:
-
- * The Sectra Token Ring Server for NetWare
- * The Sectra Token Ring Server for DOS
- * The Sectra Token Ring Client for Windows
-
- The Sectra Server for NetWare is a NetWare Loadable Module
- (NLM), which means that you can load and run Sectra under
- Novell's Netware 386 network operating system (NOS).
- Because the Sectra server resides on the network server, it
- can monitor and control access to any ring that has a
- Thomas-Conrad token ring adapter in the server. Sectra thus
- allows you to monitor and control access to an entire token
- ring network from a single vantage point. Since the Sectra
- server module runs on a network server, it is accessible even
- when the rest of the network is down.
-
- The Sectra Server for DOS is a DOS executable program that
- has the same functions and features as the Sectra server for
- NetWare. The Sectra server for DOS is designed to run on a
- wide variety of hardware. It can monitor and control access
- on up to two rings that have an adapter in the workstation.
- It does not require a Thomas-Conrad token ring card to operate
- and will work with most popular network operating systems.
-
- The Sectra Token Ring Server for NetWare or Sectra Token Ring
- Server for DOS collect data; the Sectra Client displays the
- data. Separating data collection and data presentation
- maximizes responsiveness for both the network administrator
- and the network users.
-
- The Sectra Server for Netware and the Sectra Server for DOS
- can monitor and control access to rings that they are
- attached to. The Sectra Server for NetWare, running on the
- network server, can monitor up to eight rings that have a
- Thomas-Conrad adapter in the server. The Sectra Server for
- DOS, running in a workstation, can monitor up to two rings
- in the workstation using any vendor's token ring adapters.
-
- In addition to collecting data and controlling ring access
- locally, both the Sectra server for NetWare and the Sectra
- Server for DOS act as agents for the Sectra client.
-
- The Sectra Client for Windows displays the data collected by
- agents on the network (either the Sectra Server for NetWare or
- the Sectra Server for DOS). You can have many clients
- displaying data from one server, or conversely, one client
- displaying data from many different servers monitoring many
- different rings.
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- Sectra Server for DOS
- Page 1-3
- The Sectra client also allows any user with appropriate
- privileges to monitor and control access to any ring on the
- network with a Sectra server. You can use the Sectra client
- for Windows from any network workstation that runs Microsoft
- Windows, even if the workstation is on Ethernet, ARCNET, or
- TCNS (Thomas-Conrad Networking System).
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- Sectra Server for DOS
- Page 1-4
- CHAPTER TWO
- Installation and Configuration
-
-
- This chapter describes how to install Sectra Server for DOS
- and how to configure the program for your particular network.
- This chapter contains the following sections:
-
- * Installing LLC drivers
- * Installing ODI drivers supporting promiscuous mode
- * Unloading Sectra Server for DOS
- * Configuring Sectra Server for DOS
- * Specifying Ring Parameters
-
- System Requirements
-
- You must have the following hardware to run Sectra Server
- for DOS:
-
- * An IBM PC compatible 286 or above
- * A minimum of 1Mbyte of RAM
- * An 80-column display
- * A hard drive
- * One token ring adapter for each ring to be monitored.
- * DOS 3.0 or higher or compatible operating system
- * IPX for communications to a Sectra Client
-
- For continuous monitoring, Sectra Server for DOS requires a
- dedicated workstation. For troubleshooting or performance
- checking, you can use any workstation on the ring that meets
- the system requirements.
-
-
- LLC Driver Installation
-
- To install and configure Sectra for DOS using an adapter with
- LLC support, take the following steps:
-
- 1 Make sure that the workstation you are going to
- use meets the requirements listed above.
-
- 2 Create a subdirectory for the program files. For
- example you could create a directory and name it
- SECTRATR or another name that you want.
-
- 3 Copy the contents of the program disk to the
- subdirectory that you created in step 2. You can use
- the DOS copy command with the asterisk (*) to copy all
- of the files. For example:
-
- [COPY A:\*.* C:\{Subdirectory Name}]
-
- 4 Load the Sectra for DOS initialization module by typing
- SECTLLC.
-
-
- Sectra Server for DOS
- Page 2-1
- 5 Load IPX if you desire client communications
-
- 6 Start Sectra for DOS by typing SECTRA from the SECTRATR
- subdirectory (or the subdirectory that you created.)
- This starts a batch file that will load BTRIEVE and start
- the Sectra for DOS program. When you exit the program
- normally, this batch file will unload BTREIVE.
-
- NOTE
- The Sectra for DOS initialization module, SECTLLC, can also be
- loaded as a device driver. To load SECTLLC as a device driver,
- insert the following statement in the your CONFIG.SYS file:
-
- DEVICE=SECTLLC.EXE
-
- Make sure to place this statement after any statements in the
- CONFIG.SYS file that loads drivers for your adapter.
-
- The following shows examples of CONFIG.SYS and AUTOEXEC.BAT
- files for Thomas-Conrad and IBM token ring adapters. These are
- shown as samples, your file may have more statements for
- other devices.
-
- CONFIG.SYS (Thomas-Conrad)
-
- FILES=40
- BUFFERS=30
- DEVICE=DXMA0MOD.SYS
- DEVICE=TCCAHI.SYS
- DEVICE=TCTRLOAD.SYS
- DEVICE=TCTRCPI.SYS
-
- CONFIG.SYS (IBM)
-
- FILES=40
- BUFFERS=30
- DEVICE=DXMA0MOD.SYS
- DEVICE=DXMC0MOD.SYS
-
-
- AUTOEXEC.BAT (Thomas-Conrad or IBM)
-
- PATH = C:\, C:\DOS ...
- SECTRATR\SECTLLC
- IPX (If Client communications are required)
- (A LAN Support Driver required. You cannot use
- a native token ring driver (STOKEN))
- NETX (If a network connection is required)
- CD \SECTRATR
- SECTRA
-
- NOTE
- SECTLLC must be loaded before either LANSUP.COM or
- IPX.COM depending on which driver is being used.
-
-
- Sectra Server for DOS
- Page 2-2
- ODI Driver Installation
-
- To install and configure Sectra for DOS using a Thomas-Conrad
- adapter with a Thomas-Conrad ODI driver or other
- manufacturers adapter with an ODI driver that supports
- promiscuous mode, take the following steps:
-
-
- 1 Make sure that the workstation you are going to
- use meets the requirements listed on page 2-1.
-
- 2 Create a subdirectory for the program files. For
- example you could create a directory and name it
- SECTRATR or another name that you want.
-
- 3 Copy the contents of the program disk to the
- subdirectory that you created in step 2. You can use
- the DOS copy command with the asterisk (*) to copy all
- of the files. For example:
-
- [COPY A:\*.* C:\{Subdirectory Name}]
-
- 4 Place the following statements in your NET.CFG file:
-
- LINK DRIVER TCTOKSH
- PORT ?
- INT ?
- DMA
- REINSERT (Optional - See note below)
- any other statements
-
- NOTE
- With the Thomas-Conrad driver TCTOKSH, when the node is
- blocked, it will not reinsert itself into the ring. This
- conforms with the IEEE 802.5 specification. If the optional
- statement REINSERT is placed in the LINK section of the
- NET.CFG file, when the node is blocked, it can immediately
- reinsert it self. It is recommended that the REINSERT
- parameter be used when running Sectra for DOS. If the
- REINSERT parameter is not used and the MLID on the Sectra
- for DOS workstation receives the remove MAC frame, Sectra for
- DOS will terminate abnormally and the database will be
- corrupted.
-
-
-
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 2-3
- 5 To start Sectra Server for DOS, you can execute these
- commands in this order or place them in your STARTUP or
- AUTOEXEC file
-
- LSL (Provided with NetWare)
- MLID (TCTOKSH for Thomas-Conrad adapters)
- MLID (Optional - for second adapter)
- IPXODI (If client communications are required)
- NETX (If a network connection is required)
- SECTODI
- CD SECTRATR
- SECTRA
-
- To load the driver to support two adapter cards, repeat the
- MLID (TCTOKSH) statement in the AUTOEXEC.BAT file. If
- loading Sectra Server for DOS manually, repeat the command.
-
- The following shows examples of NET.CFG and AUTOEXEC.BAT
- files for Thomas-Conrad token ring adapters. These are shown
- as samples, your file may have more statements for other devices.
-
-
- NET.CFG (Thomas-Conrad)
-
- LINK DRIVER TCTOKSH (First Adapter)
- PORT 1A20
- DMA 5
- INT 2
-
- LINK DRIVER TCTOKSH (Optional - for second adapter)
- PORT 2A20
- DMA 6
- INT 3
-
- AUTOEXEC.BAT
-
- LSL
- MLID (TCTOKSH for Thomas-Conrad adapters)
- MLID (Optional - for second adapter)
- IPXODI (If Client communications are required)
- NETX (If a network connection is required)
- SECTODI
- SECTRA
-
-
-
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 2-4
- Once Sectra Server for DOS is loaded, it displays the
- Select Ring menu, which lists the address of each ring's
- network adapter in the workstation.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╔═══════════════════════════════════════════╗▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ Select Ring ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╠═══════════════════════════════════════════╣▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │ 0001c8720251 Normal ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │ Secondary Card Not Available ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╚═══════════════════════════════════════════╝▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │ F1=Press for Help in any Sectra Window │
- └─────────────────────────────────────────────────────────────────────────────┘
-
-
- NOTE
- If both rings displayed in the Select Ring menu
- display the "Card Not Available" message, you need
- to verify that (1) you are using the proper driver
- and version for the token ring adapter that is
- installed in the workstation, and (2) there is at
- least one node attached to each ring in addition to
- the workstation running Sectra Server for DOS.
- If problems persist, contact Thomas-Conrad
- technical services at 800-334-4112.
-
-
- Unloading Sectra Server for DOS
-
- Sectra Server for DOS is designed to run continuously on
- your workstation in order to provide constant network
- monitoring and immediate troubleshooting capabilities.
- If you wish to unload Sectra Server for DOS press <ESC>
- at the Select Ring menu. You will be asked for a
- confirmation before Sectra Server for DOS is unloaded.
-
- If Sectra for DOS is not unloaded in this in this manner,
- (ie if the computer is turned off or reset) the data files
- will be damaged. If the data files are damaged, Sectra
- will rebuild these files the next time Sectra for DOS is
- loaded.
-
- SECTODI, if used, is unloaded by typing SECTODI /U.
- SECTLLC, if loaded from the command line, is unloaded
- by typing SECTLLC /U. If SECTLLC is loaded as a device
- driver (loaded in the CONFIG.SYS file), it cannot be
- removed using the /U switch.
-
- Sectra Server for DOS
- Page 2-4
- Configuring Sectra Server for DOS
-
- After installing Sectra Server for DOS, you need to perform
- the configuration sequence for each ring that has an adapter
- in the workstation.
-
- If you have just installed Sectra Server for DOS, the Select
- Ring menu is now displayed on the workstation monitor. If
- you are reconfiguring Sectra Server for DOS, press <Esc>
- until the Select Ring menu is displayed. Configure Sectra
- Server for DOS for the selected ring as follows:
-
- 1 Use the up and down arrow keys to select the desired
- ring from the Select Ring menu. If you have just
- installed Sectra Server for DOS, each ring is
- identified as either Primary or Secondary server.
- When you select a ring, Sectra Server for DOS
- displays the View/Manage Ring menu.
-
- Select the Specify Ring Parameters option to display
- the Specify Ring Parameters window.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Specify Ring Parameters Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║ Adapter Address: 0001c8720251 Allow Unauthorized Nodes On Ring: Yes ║│
- │║ Ring Name: Let Sectra Remove Nodes: No ║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- └─────────────────────────────────────────────────────────────────────────────┘
-
- 2 Enter a name for the ring in the Ring Name field.
- Sectra Server for DOS will use this name in its menus
- to identify the ring. The ring name can contain any
- printable ASCII character and can be up to 12
- characters long.
-
- 3 Specify whether unauthorized nodes should be allowed
- on the ring.
-
- If you enter No, Sectra Server for DOS will provide ring
- access only to those nodes that you have authorized to
- be on the ring. (See "Viewing and Managing Node Data"
- for instructions on how to authorize nodes.) To gain
- access to the ring, authorized nodes must also be
- allowed on the ring at that particular time.
-
- Sectra Server for DOS
- Page 2-5
- 4 Specify whether node blocking should be on.
-
- If you enter Yes, Sectra Server for DOS denies ring
- access to unauthorized nodes, authorized nodes not
- allowed on the ring at that particular time, and nodes
- that you have blocked from the ring. (See "Viewing
- and Managing Node Data" for instructions on how to
- block nodes from the ring.)
-
- If you enter No, Sectra Server for DOS will allow any
- node to access the ring, even if the node is
- unauthorized, not allowed on the ring at that time,
- or blocked.
-
- ╔══════════════════════════════════════════════════════╗
- ║ CAUTION ║
- ║ Before turning on node blocking, be sure to first ║
- ║ authorize the appropriate nodes. (Failure to do so ║
- ║ will remove all nodes except the Sectra Server for ║
- ║ DOS workstation from the ring.) Be very careful ║
- ║ not to block any file servers on the rings that are ║
- ║ attached to the workstation. The adapters in the ║
- ║ file server will look just like any other adapter, ║
- ║ and Sectra Server for DOS can and will block these ║
- ║ adapters if you are not careful. ║
- ╚══════════════════════════════════════════════════════╝
-
- 5 You have now specified all the configuration
- information needed for the ring. Press <Esc> to leave
- this menu and go back to the View/Manage Ring menu.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 2-6
- 6 Before you exit the Specify Ring Parameters window,
- Sectra Server for DOS displays the following message:
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Specify Ring Parameters Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║ Adapter Address: 0001c8720251 Allow Unauthorized Nodes On Ring: Yes ║│
- │║ Ring Name: Tech Pubs Let Sectra Remove Nodes: No ║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╔══════════════════════════════════╗▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ Save Changes to Ring Parameters? ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╠══════════════════════════════════╣▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │No ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │Yes ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╚══════════════════════════════════╝▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- └─────────────────────────────────────────────────────────────────────────────┘
-
- Press <Enter> to save your changes, or select No to
- ignore changes and return to the View/Manage Ring menu.
-
- 7 Sectra Server for DOS is set with event logging on.
- Pressing <F4> at the View/Manage Ring menu toggles
- the event log for a selected ring on and off.
-
-
- Specify Ring Parameters Window
-
- Fields
-
- Adapter The address of the ring's adapter in the
- Address: workstation. You cannot edit this field; it
- is a display-only field.
-
- Ring Name: Specifies the name by which Sectra Server for
- DOS identifies the ring in its menus. The ring
- name can contain any printable ASCII character
- and can be up to 12 characters long.
-
- Allow Specifies whether unauthorized nodes are
- Unauthorized allowed on the ring. You can authorize a
- Nodes on node to have access to a ring when either of
- Ring: the Node Data windows is displayed (see
- Chapter 6, Viewing and Managing Node Data for
- more information.)
-
-
- Sectra Server for DOS
- Page 2-7
- Let Sectra Specifies whether Sectra Server for DOS will
- Remove deny ring access to nodes that shouldn't be on
- Nodes: the ring (unauthorized nodes, authorized nodes
- not allowed on the ring at that particular time,
- and nodes that you have blocked from the ring).
-
- Keys
-
- <Esc> Exits the window and returns to View/Manage Ring
- menu. If you have made any changes, Sectra
- Server for DOS will ask you to confirm the
- changes.
-
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- Sectra Server for DOS
- Page 2-8
- CHAPTER THREE
- Overview of Menus and Windows
-
- This chapter contains the following sections:
-
- * The Sectra Server for DOS Menus and Windows
- * Display Conventions
- * Common Status Information
- * Cursor Movement and Editing Keys
-
- The Sectra Server for DOS Menus and Windows
-
- The following figure shows the Sectra Server for DOS system
- of menus and windows. Menus provide a list of choices.
- Windows display data or provide data entry fields in which
- you can supply information to Sectra Server for DOS. The
- diagram shows how you can progress through the menus and
- windows. Menus and windows at higher levels provide access
- to menus and windows at lower levels.
-
- The Select Ring menu is the entrance to the Sectra Server
- for DOS system of menus and windows. Sectra Server for DOS
- functions are always performed on a single ring. Before you
- select a function, you must select a ring on which to perform
- the function.
-
- Selecting a ring displays the View/Manage Ring menu for that
- ring. From the View/Manage Ring menu, you can select various
- Sectra Server for DOS functions. Selecting a function
- displays the menu or window for that function or group of
- functions.
- ┌─────────────┐
- │ Select Ring │
- ┌───────┐ │ Menu │
- │Toggle │ └──────┬──────┘
- │Event │<F4> │ Select a Ring
- │Logging├──────┐ │
- View Event Log └───────┘ ┌─┴───┴─────┐ Specify Ring Parameters
- ┌────────────────────────────┤ ├──────────────────────────┐
- │ │ View │ Select Events │
- │ Define Alarms │ Manage │ to Highlight │
- │ ┌──────────────────┤ Ring ├───────────────┐ │
- │ │ │ Data │ Select Events│ │
- │ │ View Nodes │ │ to Log │ │
- │ │ ┌───────┤ ├─────┐ │ │
- │ │ │ └──┬─────┬──┘ │ │ │
- │ │ │ View│ │View │ │ │
- │ │ │ Error│ │Ring │ │ │
- │ │ │ Summary│ │Data │ │ │
- ┌───┴───┐┌────┴─────┐┌───┴────┐┌────┴──┐┌─┴────┐┌──┴───┐┌────┴────┐┌────┴────┐
- │Event ││ Alarm ││Inserted││ Error ││ Ring ││Select││ Select ││ Specify │
- │ Log ││Definition││ Node ││Summary││ Data ││Events││ Events ││ Ring │
- │Monitor││ Window ││ Data ││Window ││Window││To Log││ to ││Parameter│
- │Window ││ ││ Window ││ ││ ││Window││Highlight││ Window │
- └───────┘└──────────┘└────────┘└───────┘└──────┘└──────┘└─────────┘└─────────┘
-
- Sectra Server for DOS
- Page 3-1
- The following table provides a brief description of each menu
- and window displayed by Sectra Server for DOS.
-
- ╔════════════════════╤══════════════════════════════════════╗
- ║ Menu/Window │ Function ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Select Ring Menu │ Select a ring on which to perform a ║
- ║ │ Sectra Server for DOS function. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ View/Manage Ring │ Select a Sectra Server for DOS ║
- ║ Menu │ function or group functions on the ║
- ║ │ selected ring. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Error Summary │ Displays accumulated error counts ║
- ║ Window │ for each node on the ring. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Node Data Windows │ Display configuration and error ║
- ║ for Inserted Nodes │ information for a ring's nodes. ║
- ║ and Inactive Nodes │ ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Node Error │ Displays error counters for a ║
- ║ Counters Window │ selected node. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Add Node Window │ Provides fields for adding a new ║
- ║ │ node to the Sectra Server for DOS ║
- ║ │ database. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Modify Node Data │ Provides fields for modifying node ║
- ║ Window │ data already in the Sectra Server ║
- ║ │ for DOS database. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Event Log Monitor, │ The Event Log Monitor window ║
- ║ Event Log History │ displays ring events as they occur. ║
- ║ Windows │ The Event Log History window ║
- ║ │ displays events in the ring's event ║
- ║ │ log. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Ring Data Window │ Displays configuration and error ║
- ║ │ information for a ring. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Select Events to │ Specify the events Sectra Server for ║
- ║ Highlights Menu │ DOS highlights in the event log. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Select Events to │ Specify the events Sectra Server for ║
- ║ Log Menu │ DOS logs for a ring. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Alarm Definition │ Specify the events that trigger a ║
- ║ Menu │ Sectra Server for DOS alarm. ║
- ╟────────────────────┼──────────────────────────────────────╢
- ║ Specify Ring │ Configure Sectra Server for DOS for ║
- ║ Parameters Menu │ each ring in the network. ║ ║
- ╚════════════════════╧══════════════════════════════════════╝
-
-
-
-
- Sectra Server for DOS
- Page 3-2
- Common Status Information
-
- Each menu and window displayed by Sectra Server for DOS has
- a header similar to this one:
-
- ┌────────────────────────────────────────────────────────────────────────────┐
- │Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 │
- └────────────────────────────────────────────────────────────────────────────┘
-
- This header displays the Sectra Server for DOS program, date
- and time. The date and time is the current date and time.
-
- A status window (located below the header in many of the
- Sectra Server for DOS menus and windows) displays the
- following information:
-
- * The ring name or the address of the ring's adapter in
- the network server (if you have not supplied a ring
- name to Sectra Server for DOS)
- * The title of the menu or window currently displayed
- * The ring's state
-
- ╔═════════════════════════════════════════════════════════════════════════╗
- ║ Ring Name Menu/Window Name Ring State ║
- ╠═════════════════════════════════════════════════════════════════════════╣
-
- A ring can be in one of six states:
-
- * Uninitialized - Sectra Server for DOS has not yet
- started collecting data for the ring. This is a
- temporary condition.
-
- * Normal - The ring is operating normally--that is, not
- continuously transmitting beacon frames.
-
- * Beaconing - The ring is transmitting beacon frames,
- indicating a hard error (an error that prevents normal
- ring operation).
-
- * Re-organizing - Due to changes on the ring, Sectra
- Server for DOS is temporarily reorganizing its
- database for the ring.
-
- * Card not Available - The adapter or driver is not
- installed or cannot be accessed by Sectra Server
- for DOS.
-
- * Adapter Error - The adapter has had an error condition
- and is attempting to correct it. This is a temporary
- condition. If the adapter is not able to correct the
- problem, this error will change to Card not Available.
- The adapter is not collecting data while in this state.
-
-
-
-
- Sectra Server for DOS
- Page 3-3
- Key Descriptions
-
- This section describes the cursor-movement and editing keys
- available in menus and windows. Except for minor
- differences in the way alphanumeric characters are treated,
- cursor movement keys and editing keys are used in the same
- way as for Novell applications.
-
- Keys Defined for All Menus And Windows
-
- <F1> Displays help information for the current menu
- or window. Sectra Server for DOS displays a
- help screen for five (5) minutes before
- returning to the program window. Pressing
- the escape key will also exit you from a
- help screen.
-
- Help Screen Keys
-
- <Esc> Exits the help screen and displays the menu
- or window from which help was requested.
-
- <PgUp> Displays the previous page of the help screen.
-
- <PgDn> Displays the next page of the help screen.
-
- <Home> Displays the first page of the help screen.
-
- <End> Displays the last page of the help screen.
-
- Menu Keys
-
- <Esc> Displays the previous menu or window.
-
- <up arrow> Moves cursor up or down one line,
- <down arrow> respectively.
-
- <PgUp> Moves cursor to the first list item on the
- current page.
-
- <PgDn> Moves cursor to the last list item on the
- current page.
-
- <character> Selects the first menu choice starting with that
- character.
-
- Keys for Data Entry Windows
-
- <up arrow> Moves cursor up or down one line,
- <down arrow> respectively.
-
- <PgUp> Moves cursor to the first item in the window.
-
- <PgDn> Moves cursor to the last item in the window.
-
-
- Sectra Server for DOS
- Page 3-4
- <Enter> Enters edit mode for a field. The cursor
- blinks on the first character in the field.
- Data entry is by default in typeover mode.
- The <Ins> key toggles between insert and
- typeover.
-
- Pressing <Enter> a second time moves the
- cursor to the next field.
-
- <Esc> While in edit mode, resets the field to its
- previous value (before edits were made) and
- repositions the cursor at the beginning of
- the field.
-
- Pressing <Esc> after you are through editing
- requests confirmation of any changes you made
- and exits to the previous menu.
-
- <Backspace> Deletes the character to the left of the cursor.
-
- <left arrow> Moves the cursor to the left or right one
- <right arrow> character, respectively, without deleting a
- character.
-
- <Del> Deletes the character the cursor is on.
-
- <character> Enters the character at the cursor position.
- Characters are entered in write-over mode: a
- new character writes over an existing character.
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- Sectra Server for DOS
- Page 3-5
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- Sectra Server for DOS
- Page 3-6
- CHAPTER FOUR
- Selecting Sectra Server for DOS Functions
-
-
- This chapter, which describes how to select the Sectra
- Server for DOS major functions, contains the following
- sections:
-
- * Selecting a Ring
- * Selecting the Sectra Server for DOS Major Functions
- * How to turn Node Blocking On and Off
-
- Selecting a Ring
-
- Before you perform any Sectra Server for DOS function, you
- must select a ring. Select the ring from the Select Ring
- menu, which Sectra Server for DOS displays immediately
- after being installed and loaded. Thereafter, you can
- access the Select Ring menu from the View/Manage Ring
- menu by pressing <Esc>.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╔═══════════════════════════════════════════╗▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ Select Ring ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╠═══════════════════════════════════════════╣▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │ Primary Normal ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │ Secondary Card Not Available ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╚═══════════════════════════════════════════╝▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │ F1=Press for Help in any Sectra Window │
- └─────────────────────────────────────────────────────────────────────────────┘
-
- To select a Ring, move the cursor to the appropriate
- position in the list of rings on the left side of the menu.
- This highlights the ring. Sectra Server for DOS displays the
- address of the ring's adapter in the workstation unless you
- supplied a ring name using the Specify Ring Parameters window.
-
- Fields
-
- Ring Name The ring name (if you have supplied a name to
- Sectra Server for DOS) or the address of the
- ring's adapter in the workstation.
-
- Sectra Server for DOS
- Page 4-1
- Ring State The present ring status. A ring can be in one
- of six states:
-
- Uninitialized - Sectra Server for DOS has not yet
- started collecting data for the ring.
-
- Normal - The ring is operating normally--that
- is, only transmitting AMP and SMP frames.
-
- Beaconing - The ring is transmitting beacon
- frames, indicating a hard error (an error that
- prevents normal ring operation).
-
- Re-organizing - Due to changes on the ring,
- Sectra Server for DOS is temporarily reorganizing
- its database for the ring.
-
- Card not Available - The adapter or driver is
- not installed or cannot be accessed by Sectra
- Server for DOS.
-
- Adapter Error - The adapter has had an error
- condition and is attempting to correct it.
- This is a temporary condition. If the adapter
- is not able to correct the problem, this error
- will change to Card not Available. The adapter
- is not collecting data while in this state.
-
- Keys
-
- <Enter> If Sectra Server for DOS has not yet been
- configured for the selected ring, the Specify
- Ring Parameters menu (which is used to
- configure Sectra Server for DOS) is displayed.
- If Sectra Server for DOS has been configured
- for the ring, the View/Manage Ring menu is
- displayed.
-
- <ESC> Unload Sectra Server for DOS
-
- <F1> Help
-
-
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- Sectra Server for DOS
- Page 4-2
- Selecting the Sectra Server for DOS Major Functions
-
- Selecting a ring displays the View/Manage Ring menu for that
- ring.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││ Tech Pubs Normal ││
- │├───────────────────────────────────────────────────────────────────────────┤│
- ││ Adapter Address: 0001c8720251 Let Sectra Remove Nodes: No ││
- ││ Event Logging: Yes Beacon Frames: 0 ││
- ││ Inserted Nodes: 8 Isolating Errors: 0 ││
- ││ Total Nodes: 8 Non-isolating Errors: 0 ││
- ││ Unauthorized Nodes: 7 Counters Reset: -- Never -- ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╔═════════════════════════════════╗▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ View/Manage Ring ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╠═════════════════════════════════╣▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │View Error Summary ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │View Nodes ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │View Event Log ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │View Ring Data ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │Select Events to Highlight ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │Select Events to Log ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │Define Alarms ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒║ │Specify Ring Parameters ║▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒╚═════════════════════════════════╝▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │ F4=Stop Event Logging F8=Let Sectra Remove Nodes │
- └─────────────────────────────────────────────────────────────────────────────┘
-
- You can access most Sectra Server for DOS menus and windows
- from the View/Manage Ring menu. In addition, the View/Manage
- Ring menu displays a summary of error and configuration
- information for the ring.
-
- To display the View/Manage Ring menu, select a ring (for
- which Sectra Server for DOS has been configured) from the
- Select Ring menu, or press <Esc> when displaying a menu or
- window that is accessed from the View/Manage Ring menu.
-
-
-
-
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-
-
-
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-
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-
- Sectra Server for DOS
- Page 4-3
- Event Logging and Node Removal
-
- From the View/Manage Ring menu, you can use <F4> to toggle
- event logging on and off, and <F8> to toggle node removal
- on and off.
-
- When node removal is on, Sectra Server for DOS denies access to:
-
- * unauthorized nodes
- * nodes not allowed to access the ring at the
- current time
- * nodes that you have blocked from the ring
-
- ╔══════════════════════════════════════════════════════╗
- ║ CAUTION ║
- ║ Before turning on node blocking, be sure to first ║
- ║ authorize the appropriate nodes. (Failure to do so ║
- ║ will remove all nodes except the Sectra Server for ║
- ║ DOS workstation from the ring.) Be very careful ║
- ║ not to block any file server on the rings that are ║
- ║ in the workstation. The adapters in the file ║
- ║ server will look just like any other adapter, and ║
- ║ Sectra Server for DOS can and will block these ║
- ║ adapters if you are not careful. ║
- ╚══════════════════════════════════════════════════════╝
-
-
- When node removal is turned off, any node can access the
- ring, including unauthorized nodes and nodes that are
- normally not allowed access to the ring at the current time.
- In other words, turning off node removal allows ring access
- to any node at any time.
-
- Fields
-
- Ring Status Window
-
- Adapter The address of the selected ring's adapter
- Address: in the workstation.
-
- Event Indicates whether Sectra Server for DOS is
- Logging: enabled to log events for the selected ring.
-
- Inserted The number of nodes currently inserted into
- Nodes: the selected ring.
-
- Total Nodes: The total number of nodes in the selected ring,
- regardless of whether they are inserted into
- the ring.
-
- Unauthorized: The number of unauthorized nodes in the selected
- ring, regardless of whether they are inserted
- into the ring.
-
-
-
- Sectra Server for DOS
- Page 4-4
- Let Sectra Indicates whether Sectra Server for DOS denies
- Remove Nodes: ring access to the following nodes:
- unauthorized nodes, authorized nodes not
- allowed on the ring at that particular time,
- and nodes that you have blocked from the ring.
-
- Beacon The number of beacon frames that have been
- Frames: transmitted on the selected ring since Sectra
- Server for DOS was last loaded or the ring
- counters were reset. A beacon frame indicates
- that a hard error has occurred on the ring.
- A hard error totally disrupts the transmission
- of user data on the ring.
-
- Isolating The number of isolating errors that have
- Errors: occurred on the selected ring since Sectra
- Server for DOS was last loaded or the ring
- counters were reset. An isolating error is a
- soft error that can be isolated to a specific
- area of the ring. Soft errors can disrupt
- token ring operation, thus degrading
- performance. However, soft errors do not
- totally disable the ring, as hard errors do.
-
- Non- The number of non-isolating errors that have
- Isolating occurred on the selected ring since Sectra
- Errors: Server for DOS was last loaded or the ring
- counters were reset. A non-isolating error
- is a soft error that cannot be isolated to a
- specific area of the ring.
-
- Counters The date and time when the Sectra Server for
- Reset: DOS error counters for the selected ring were
- last reset.
-
-
- View/Manage Ring Menu
-
- View Error Displays the Error Summary window for the
- Summary: selected ring.
-
- View Nodes: Displays the Node Data Window for Inserted
- Nodes for the selected ring.
-
- View Event Displays the Event Log Monitor window for the
- Log: selected ring. If event logging was never
- turned on for the ring, this menu choice is
- unavailable.
-
- View Ring Displays the Ring Data Window for
- Data: the selected ring.
-
- Select Events Displays the Select Events to Highlight
- to Highlight: window for the selected ring.
-
-
- Sectra Server for DOS
- Page 4-5
- Select Events Displays the Select Events to Log window
- to Log: for the selected ring.
-
- Define Displays the Alarm Definition window for the
- Alarms: selected ring.
-
- Specify Ring Displays the Specify Ring Parameters window
- Parameters: for the selected ring.
-
-
- Keys
-
-
- <Esc> Exits to the Select Ring menu.
-
- <F1> Help
-
- <F4> If event logging is turned off and if unknown
- nodes are allowed on the ring, pressing <F4>
- turns on event logging.
-
- When event logging is turned on, pressing
- <F4> displays the confirmation message:
-
- ╔══════════════════════╗
- ║ Stop Logging Events? ║
- ╠══════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚══════════════════════╝
-
- Select No (the default answer) and press
- <Enter> if you want to continue logging events
- for the ring. Select Yes and press <Enter> to
- stop event logging.
-
- <F8> When node removal is turned off, pressing
- <F8> displays the confirmation message:
-
- ╔══════════════════════════╗
- ║ Let Sectra Remove Nodes? ║
- ╠══════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚══════════════════════════╝
-
- Select No (the default answer) and press
- <Enter> to leave node removal turned off.
- Select Yes and press <Enter> to turn on node
- removal.
-
-
-
-
-
-
- Sectra Server for DOS
- Page 4-6
- When node removal is turned on, pressing
- <F8> displays the confirmation message:
-
- ╔══════════════════════════════════╗
- ║ Stop Sectra from Removing Nodes? ║
- ╠══════════════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚══════════════════════════════════╝
-
- Select No (the default answer) and press
- <Enter> to leave node removal turned on.
- Select Yes and press <Enter> to turn off
- node removal.
-
- When node removal is turned on, Sectra Server
- for DOS denies ring access to unauthorized
- nodes (nodes that you have not authorized
- to be inserted into the ring), authorized
- nodes not allowed to access the ring at the
- current time, and nodes that you have blocked
- from the ring.
-
- When node removal is turned off, any node
- can access the ring.
-
- <character> Selects the first menu choice starting with that
- character.
-
-
-
-
-
-
-
-
-
-
-
-
-
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- Sectra Server for DOS
- Page 4-7
-
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-
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-
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-
-
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-
- Sectra Server for DOS
- Page 4-8
- CHAPTER FIVE
- Ring Data
-
-
- This chapter, which describes how to view the data that
- Sectra Server for DOS maintains for a ring, contains the
- following sections:
-
- * Viewing Ring Data
- * The Error Summary Window
-
- Viewing Ring Data
-
- The Ring Data window displays configuration information and
- error summary information about the ring. To display the Ring
- Data window, select View Ring Data from the View/Manage Ring
- menu.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││ Tech Pubs Ring Data Normal ││
- │├───────────────────────────────────────────────────────────────────────────┤│
- ││ Adapter Address: 0001c8720251 ││
- ││ ││
- ││ Errors Nodes ││
- ││ Beacon Frames: 0 Allow Unauthorized Nodes: Yes ││
- ││ Isolating Errors: 0 Let Sectra Remove Nodes: No ││
- ││ Non-isolating Errors: 0 Inserted Nodes: 8 ││
- ││ Counters Reset: -- Never -- Authorized Nodes: 1 ││
- ││ ││
- ││ Event Log ││
- ││ Event Logging: Yes ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒│
- │ F10=Reset Counters │
- └─────────────────────────────────────────────────────────────────────────────┘
-
-
-
-
- Fields
-
- Adapter The address of the ring's adapter in
- Address: the workstation.
-
-
-
- Sectra Server for DOS
- Page 5-1
- Errors
-
- Beacon The number of beacon frames that have been
- Frames: transmitted on the selected ring since Sectra
- Server for DOS was last loaded or the ring
- counters were reset. A beacon frame indicates
- that a hard error has occurred on the ring.
- A hard error totally disrupts the transmission
- of user data on the ring.
-
- Isolating The number of isolating errors that have
- Errors: occurred on the selected ring since Sectra
- Server for DOS was last loaded or the ring
- counters were reset. An isolating error is
- a soft error that can be isolated to a specific
- area of the ring. Soft errors can disrupt
- token ring operation, thus degrading
- performance. However, soft errors do not
- totally disable the ring, as do hard errors.
-
- Non- The number of non-isolating errors that have
- Isolating occurred on the selected ring since Sectra
- Errors: Server for DOS was last loaded or the ring
- counters were reset. A non-isolating error
- is a soft error that cannot be isolated to
- a specific area of the ring.
-
- Counters The date and time when the error counters for
- Reset: the ring were last reset.
-
-
- Nodes
-
- Allow Indicates whether unauthorized nodes are
- Unauthorized allowed on the selected ring. You can
- Nodes: authorize a node to have access to a ring
- when either of the Node Data windows is
- displayed (see Chapter 6 for more
- information).
-
- Let Sectra Indicates whether Sectra Server for DOS denies
- Remove Nodes: unauthorized nodes, authorized nodes not
- allowed on the ring at that particular time, and
- nodes that you have blocked from the ring.
-
- Inserted The number of nodes currently inserted into
- Nodes: the ring.
-
- Authorized The number of authorized nodes in the ring.
- Nodes:
-
-
-
-
-
-
- Sectra Server for DOS
- Page 5-2
- Keys
-
- <F10> Resets the error counters that Sectra Server
- for DOS maintains for the ring. Does not
- reset the node error counters for the ring's
- nodes.
-
- <Esc> Exits to the View/Manage Ring menu.
-
- <F1> Help
-
-
- The Error Summary Window
-
- The Error Summary window displays accumulated error counts
- for each node currently on the ring. Error counts are
- provided for three categories of errors: beacon frames,
- isolating errors, and non-isolating errors. (See Chapter 9
- for a description of these errors.) No information is
- displayed for nodes that are not currently inserted into
- the ring (inactive nodes).
-
- The error counts in the Error Summary window are identical
- to the error counts displayed in the View/Manage Ring menu
- and Ring Data window for the ring.
-
- To display the Error Summary window, select View Error
- Summary from the View/Manage Ring menu. From the Error
- Summary window, you can reset the Sectra Server for DOS
- error counters for the highlighted node by pressing <F10>.
-
-
- Fields
-
-
- Node: The nodes currently inserted into the ring.
- If you have not supplied a node name to Sectra
- Server for DOS, Sectra Server for DOS uses the
- node's adapter address.
-
- Beacon The total number of beacon frames transmitted
- Frames: by the node since Sectra Server for DOS was last
- loaded or the ring's error counters were reset.
- A beacon frame indicates that a hard error has
- occurred on the ring. A hard error totally
- disrupts the transmission of user data on the
- ring.
-
-
- Isolating The total number of isolating errors for the
- Errors: node since Sectra Server for DOS was last
- loaded or the ring counters were reset. An
- isolating error is a soft error that can be
-
-
-
- Sectra Server for DOS
- Page 5-3
- isolated to a specific area of the ring. Soft
- errors can disrupt token ring operation, thus
- degrading performance. However, soft errors do
- not totally disable the ring, as do hard errors.
-
- Non- The total number of non-isolating errors for
- isolating node since Sectra Server for DOS was last
- Errors: loaded or the ring counters were reset. A non-
- isolating error is a soft error that cannot be
- isolated to a specific area of the ring.
-
-
- Keys
-
- <F7> Resets the Sectra Server for DOS error counters
- for all nodes on the ring.
-
- <F10> Resets the Sectra Server for DOS error counters
- for the highlighted node.
-
- <Esc> Exits to the View/Manage Ring menu.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
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-
-
-
-
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-
-
- Sectra Server for DOS
- Page 5-4
- CHAPTER SIX
- Viewing and Managing Node Data
-
- Sectra Server for DOS allows you to view a great deal of
- data about each node in a ring and to manage this data
- efficiently. This chapter, which describes how to view and
- manage node data, contains the following sections:
-
- * Viewing a Node's Data
- * Viewing a Node's Error Counters
- * Adding a Node to the Sectra Server for DOS Database
- * Modifying a Node's Data
- * Deleting a Node from the Sectra Server for DOS Database
-
- Viewing a Node's Data
-
- When you select View Nodes from the View/Manage Ring, you
- display the Node Data Window for Inserted nodes, which
- displays information about nodes currently inserted into
- the ring. On the left side of the window, the inserted
- nodes are displayed in the order in which they occur on
- the ring, beginning with the adapter in the workstation.
- Going higher in the list represents going upstream on the
- ring; going lower represents going downstream.
-
- To display the data for an inserted node, place the cursor
- on that node.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Inserted Nodes Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║ │ 0001c8720251 │ Name: Address: 0001c8720251 ║│
- │║ │! 0001c85110a6 │ Type: ║│
- │║ │! 0001c84b127f │ ║│
- │║ │! 0001c84b1289 │ Inserted: Oct 26, 1992 14:00:15 ║│
- │║ │! 0001c84420ad │ Last Seen: Oct 26, 1992 14:01:25 ║│
- │║ │! 0001c85e008c │ Authorized: Yes ║│
- │║ │! 0001c84b1288 │ First Seen: Oct 26, 1992 13:52:13 ║│
- │║ │! 0001c85e0063 │ NAUN: 0001c85e0063 ║│
- │║ │ │ Allowed: [MTWThFSSu] 00:00 - 23:59 ║│
- │║ │ │ Removed: 0 times ║│
- │║ │ │ ║│
- │║ │ │ Location: ║│
- │║ │ │ Machine: ║│
- │║ │ │ Adapter: ║│
- │║ │ │ Driver: ║│
- │║ │ │ Comment: ║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- │ F2=Error Counters F3=Modify Node Data F5=Authorize All Ins=Add Node │
- │ F6=Inactive Nodes F8=Block/Unblock F9=Authorize Node │
- └─────────────────────────────────────────────────────────────────────────────┘
-
- Sectra Server for DOS
- Page 6-1
- Fields
-
-
- Name: A user-supplied name for the selected node.
- If no name has been supplied, this field is
- blank.
-
- Type: Specifies the type of function performed by
- the selected node (for example, file server,
- workstation, print server). This is user-
- supplied text.
-
- Address: The selected node's adapter address.
-
- Inserted: The date and time when the selected node was
- last inserted into the ring.
-
- Last Seen: The date and time when Sectra Server for DOS
- last saw the selected node in the ring.
-
- Authorized: Indicates whether a node is authorized to be
- on the ring. To authorize a single node, select
- that node and press <F9>. To authorize all
- nodes in the ring, press <F5>.
-
- First Seen: The date and time when Sectra Server for DOS
- first saw the selected node in the ring.
-
- NAUN: The name of the selected node's Nearest Active
- Upstream Neighbor (NAUN).
-
- Allowed: The days of the week and hours of the day
- during which the selected node is allowed on
- the ring.
-
- Removed: The number of times (since the node was placed
- in the Sectra Server for DOS database) that
- Sectra Server for DOS has removed the selected
- node from the ring.
-
- Location: The physical location of the selected node.
- This is user-supplied text.
-
- Machine: The type of computer at the selected node.
- This is user-supplied text.
-
- Adapter: The type of token ring adapter at the selected
- node. This is user-supplied text.
-
- Driver: The type and version of token ring driver at
- the selected node. This is user-supplied text.
-
- Comment: A user-supplied comment about the selected
- node.
-
-
- Sectra Server for DOS
- Page 6-2
- Keys
-
- <F2> Displays the Node Error Counters window.
-
- <F3> Displays the Modify Node Data window for the
- selected node.
-
- <F5> Authorizes all nodes that are currently
- inserted.
-
- <F6> Displays the Node Data for Inactive Nodes
- window. If there are no inactive nodes,
- Sectra Server for DOS displays the following
- message:
-
- ╔══════════════════════════════════════════╗
- ║ ║
- ║ There are no inactive nodes to display ║
- ║ ║
- ║ -- Press Any Key to Continue -- ║
- ╚══════════════════════════════════════════╝
-
- <F8> When a node is not blocked from ring access,
- selecting the node and pressing this key
- displays the following message:
-
- ╔════════════════════════╗
- ║ Remove and Block Node? ║
- ╠════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚════════════════════════╝
-
- Select Yes and press <Enter> to remove and
- block the node from the ring. Select No (the
- default answer) and press <Enter> to leave the
- node in the ring.
-
- When a node is blocked from ring access,
- selecting the node and pressing <F8> displays
- the following message:
-
- ╔═══════════════════════════════╗
- ║ Allow Normal Control On Node? ║
- ╠═══════════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚═══════════════════════════════╝
-
- Select Yes and press <Enter> to unblock the
- node. Select No (the default answer) and press
- <Enter> to leave the node blocked.
- If node removal is turned on, blocking a node
-
-
-
- Sectra Server for DOS
- Page 6-3
- removes the node from the ring and blocks the
- node from further access to the ring. The node
- is removed and blocked regardless of whether the
- node is authorized to be inserted into the ring
- and whether the node is allowed to be in the
- ring at the present time. If node removal is
- turned off, blocking has no effect on a node.
- Blocked nodes are marked with an asterisk (*).
- Unblocking a node returns the node to normal
- control, which means that the node may insert
- into the ring if either or both of the
- following is true: (1) the node is authorized
- and is allowed on the ring at this time or
- (2) if unauthorized nodes are allowed on the
- ring. If the node is unauthorized, the asterisk
- (*) changes to an exclamation point (!).
-
- <F9> Authorizes the selected node to be inserted into
- the ring. A node that is not authorized to be
- inserted into the ring is marked with an
- exclamation point (!).
-
- <Ins> Displays the Add Node window, which is used to
- add a node to the Sectra Server for DOS database.
-
- <Esc> Exits the window and returns to the View/Manage
- Ring menu.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 6-4
- Viewing Node Data for Inactive Nodes
-
- The Node Data Window for Inactive Nodes displays
- configuration data for nodes that are not currently inserted
- into the ring. To display the Node Data Window for Inactive
- nodes, press <F6> when the Node Data Window for Inserted
- Nodes is displayed. Press <F6> again to return to the Node
- Data Window for Inserted Nodes.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Inactive Nodes Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║ │* 0001c85e008c │ Name: Address: 0001c85e008c ║│
- │║ │ │ Type: ║│
- │║ │ │ ║│
- │║ │ │ State: Blocked ║│
- │║ │ │ Last Seen: Oct 26, 1992 14:02:45 ║│
- │║ │ │ Authorized: No ║│
- │║ │ │ First Seen: Oct 26, 1992 13:52:15 ║│
- │║ │ │ ║│
- │║ │ │ Allowed: [MTWThFSSu] 00:00 - 23:59 ║│
- │║ │ │ Removed: 3 times ║│
- │║ │ │ ║│
- │║ │ │ Location: ║│
- │║ │ │ Machine: ║│
- │║ │ │ Adapter: ║│
- │║ │ │ Driver: ║│
- │║ │ │ Comment: ║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- │ F3=Modify Node Data F5=Authorize All Ins=Add Node │
- │ F6=Inserted Nodes F8=Block/Unblock F9=Authorize Node Del=Delete Node │
- └─────────────────────────────────────────────────────────────────────────────┘
-
-
- Fields
-
-
- Name: A user-supplied name for the selected node.
- If no name has been supplied, this field is
- blank.
-
- Type: Specifies the type of function performed by
- the selected node (for example, file server,
- workstation, print server). This is
- user-supplied text.
-
- Address: The selected node's adapter address.
-
-
-
-
-
- Sectra Server for DOS
- Page 6-5
- State: The state of the selected node. The possible
- node states are as follows:
-
- Blocked - The node is blocked from access to
- the ring. If node removal is turned on, the
- node is deinserted from the ring. If node
- removal is turned off, blocking has no effect
- on a node.
-
- Not Allowed - The node is not currently allowed
- on the ring but is allowed on the ring at other
- times.
-
- Not Inserted - The node is currently allowed on
- the ring but is not inserted into the ring.
-
- Last Seen: The date and time when Sectra Server for DOS
- last saw the selected node in the ring.
-
- Authorized: Indicates whether a node is authorized to be on
- the ring. To authorize a single node, select
- that node and press <F9>. To authorize all
- nodes in the ring, press <F5>.
-
- First Seen: The date and time when Sectra Server for DOS
- first saw the selected node in the ring.
-
- Allowed: The days of the week and hours of the day
- during which the selected node is allowed on
- the ring.
-
- Removed: The number of times (since the node was placed
- in the Sectra Server for DOS database) that
- Sectra Server for DOS has removed the selected
- node from the ring.
-
- Location: The physical location of the selected node.
- This is user-supplied text.
-
- Machine: The type of computer at the selected node.
- This is user-supplied text.
-
- Adapter: The type of token ring adapter at the selected
- node. This is user-supplied text.
-
- Driver: The type and version of token ring driver at
- the selected node. This is user-supplied text.
-
- Comment: A user-supplied comment about the selected
- node.
-
-
-
-
-
-
- Sectra Server for DOS
- Page 6-6
- Keys
-
-
- <F3> Displays the Modify Node Data window for the
- node selected on the left of the window.
-
- <F5> Authorizes all nodes that are currently
- inserted.
-
- <F6> Displays the Node Data for Inserted Nodes
- window. If there are no inactive nodes,
- Sectra Server for DOS displays the following
- message:
-
- ╔══════════════════════════════════════════╗
- ║ ║
- ║ There are no inactive nodes to display ║
- ║ ║
- ║ -- Press Any Key to Continue -- ║
- ╚══════════════════════════════════════════╝
-
- <F8> When a node is not blocked from ring access,
- selecting the node and pressing this key
- displays the following message:
-
- ╔════════════════════════╗
- ║ Remove and Block Node? ║
- ╠════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚════════════════════════╝
-
- Select Yes and press <Enter> to remove and
- block the node from the ring. Select No (the
- default answer) and press <Enter> to leave the
- node in the ring.
-
- When a node is blocked from ring access,
- selecting the node and pressing <F8> displays
- the following message:
-
- ╔═══════════════════════════════╗
- ║ Allow Normal Control On Node? ║
- ╠═══════════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚═══════════════════════════════╝
-
- Select Yes and press <Enter> to unblock the
- node. Select No (the default answer) and
- press <Enter> to leave the node blocked.
-
-
-
-
-
- Sectra Server for DOS
- Page 6-7
- If node removal is turned on, blocking a node
- removes the node from the ring and blocks the
- node from further access to the ring. The node
- is removed and blocked regardless of whether
- the node is authorized to be inserted into the
- ring and whether the node is allowed to be in
- the ring at the present time. If node removal
- is turned off, blocking has no effect on a node.
-
- Blocked nodes are marked with an asterisk (*).
- Unblocking a node returns the node to normal
- control, which means that the node may insert
- into the ring if either or both of the
- following is true: (1) the node is authorized
- and is allowed on the ring at this time or (2)
- if unauthorized nodes are allowed on the ring.
- If the node is unauthorized, the asterisk (*)
- changes to an exclamation point (!).
-
- <F9> Authorizes the selected node to be inserted
- into the ring. A node that is not authorized
- to be inserted into the ring is marked with an
- exclamation point (!).
-
- <Ins> Displays the Add Node window, which is used to
- add a node to the Sectra Server for DOS
- database.
-
- <Del> Deletes the selected node from the Sectra
- Server for DOS database. Sectra Server for DOS
- requests the following confirmation:
-
- ╔═══════════════════════════════════╗
- ║ Delete Node from Sectra Database? ║
- ╠═══════════════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚═══════════════════════════════════╝
-
- Select No (the default answer) and press <Enter>
- to cancel the deletion. Select Yes and press
- <Enter> to delete the node from the database.
-
- <Esc> Exits the window and returns to the View/Manage
- Ring menu.
-
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 6-8
- Viewing a Node's Error Counters
-
- To view an error summary of all nodes in the ring, display
- the Error Summary window (see Chapter 4 for more
- information).
-
- The Node Error Counters window displays the error counters
- that Sectra maintains for a selected node. Press <F2> from
- either of the Node Data windows to display the Node Error
- Counters window.
-
- To view an error summary of all nodes in the ring, display
- the Error Summary window (see Chapter 4 for more information).
-
- The node error counters are divided into three categories:
-
- * Beacon frames - A beacon frame indicates that a hard
- error occurred. Hard errors totally disrupt normal
- ring operation. No user data can be transferred on
- the ring while beacon frames are being transmitted.
-
- * Isolating Errors - An isolating error is a soft error
- that can be isolated to a specific area of the ring,
- such as the token ring adapter, the nearest active
- upstream neighbor (NAUN), the adapter cable, or a
- Multistation Access Unit (MAU). Soft errors can
- disrupt token ring operation, thus degrading
- performance. However, soft errors do not totally
- disable the ring, as do hard errors.
-
- * Non-isolating errors - A non-isolating error is a soft
- error that cannot be isolated to a specific area of
- the ring.
-
- See Chapter 9 for a detailed description of hard and soft
- errors, including each type of isolating and non-isolating
- error recognized by Sectra Server for DOS.
-
- Two error counts are provided for each counter: a session
- count and a total count. The session count indicates how
- many errors have occurred since the node was last inserted
- into the ring. The total count indicates how many errors
- have occurred since Sectra Server for DOS started counting
- errors for the node. Press <F10> to reset the selected
- node's counters.
-
- Fields
-
- Beacon The number of beacon frames transmitted
- Frames: from the node.
-
- Isolating Errors:
-
- Abort The number of abort delimiter frames
- Delimiter: transmitted from the node.
-
- Sectra Server for DOS
- Page 6-9
- A/C: The number of A/C errors detected by the
- node.
-
- Burst: The number of burst errors detected by the
- node.
-
- Internal: The number of internal errors that have
- occurred at the node.
-
- Line: The number of line errors detected by the node.
-
- Other The number of other isolating errors detected
- Isolating: by the node.
-
- Non-isolating Errors:
-
- Frame Copy: The number of frame copy errors detected by
- the node.
-
- Frequency: The number of frequency errors detected by
- the node.
-
- Lost Frame: The number of lost frame errors detected by
- the node.
-
- Receiver The number of receiver congestion errors
- Congestion: detected by the node.
-
- Token: The number of token errors detected by the
- node.
-
- Other Non- The number of other non-isolating errors
- isolating: detected by the node.
-
- For All Counters:
-
- Counters The date and time when the node's error
- Reset: counters were last reset.
-
- Errors/ The number of errors per minute for the node
- Minute: during the current viewing session.
-
-
- Keys
-
- <F1> Help
-
- <F2> Displays the data for the node selected on the
- left side of the window.
-
- <F10> Resets all error counters for the node to zero.
- Both the session and total counts are reset.
-
- <Esc> Exits to the View/Manage Ring menu.
-
-
- Sectra Server for DOS
- Page 6-10
- Add or Modify a Node's Data
-
-
- Adding a Node
-
- To add a node to the Sectra Server for DOS database, display
- the Add Node window by pressing the <Ins> key when either
- of the Node Data windows is displayed. Then enter the
- information about the new node. The only required
- information is the node's adapter address. Press <Esc> to
- enter the node information into the database and return to
- the previously displayed Node Data window.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Inserted Nodes Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║╔═════════════════════════════════════════════════════════════════════════╗║│
- │║║ Add Node ║║│
- │║╠═════════════════════════════════════════════════════════════════════════╣║│
- │║║ Adapter Address: 000000000000 ║║│
- │║║ Name: ║║│
- │║║ Type: ║║│
- │║║ Allowed Days: [MTWThFSSu] ║║│
- │║║ Allowed Times: Start: 00:00 Stop: 23:59 ║║│
- │║║ Authorized: No ║║│
- │║║ ║║│
- │║║ Machine: ║║│
- │║║ Location: ║║│
- │║║ Adapter: ║║│
- │║║ Driver: ║║│
- │║║ Comment: ║║│
- │║╚═════════════════════════════════════════════════════════════════════════╝║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- └─────────────────────────────────────────────────────────────────────────────┘
-
-
- Modifying a Node's Data
-
- To modify the user-supplied data for a node in the Sectra
- Server for DOS database, press <F3> when either of the Node
- Data windows is displayed. This displays the Modify Node
- Data window. The fields in the Modify Node Data window are
- identical to those in the Add Node window. Make the
- appropriate changes to the node data. To enter the changes,
- press <Esc> to exit the window and then select and enter Yes
- when asked for confirmation.
-
-
-
-
-
-
- Sectra Server for DOS
- Page 6-11
- Fields
-
-
- Adapter Specifies the node's adapter address. This
- Address: is the only information that you must supply
- to add the node to the database.
-
- Name: Specifies a name for the node (a user-supplied
- text string). Sectra Server for DOS will use
- this name to identify the node in its menus
- and windows.
-
- Type: Specifies the type of function performed by the
- node (for example, file server, workstation,
- print server). This is a user-supplied text
- string.
-
- Allowed The default is all seven days of the week.
- Days: Selecting this field and pressing <Enter>
- displays the Allowed Days menu:
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Inserted Nodes Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║╔═════════════════════════════════════════════════════════════════════════╗║│
- │║║ ╔══════════════════╗ Add Node ║║│
- │║╠════════║ Allowed Days ║═════════════════════════════════════════════╣║│
- │║║ Adapter╠══════════════════╣51 ║║│
- │║║ ║ │Monday ║r ║║│
- │║║ ║ │Tuesday ║ ║║│
- │║║ Allo║ │Wednesday ║] ║║│
- │║║ Allow║ │Thursday ║00 Stop: 23:59 ║║│
- │║║ Au║ │Friday ║ ║║│
- │║║ ║ │Saturday ║ ║║│
- │║║ ║ │Sunday ║ ║║│
- │║║ ╚══════════════════╝ ║║│
- │║║ Adapter: ║║│
- │║║ Driver: ║║│
- │║║ Comment: ║║│
- │║╚═════════════════════════════════════════════════════════════════════════╝║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- └─────────────────────────────────────────────────────────────────────────────┘
-
- You can remove days during which the node is
- allowed on ring by pressing <Del>. Press <Esc>
- to exit the menu.
-
-
-
-
-
-
- Sectra Server for DOS
- Page 6-12
- If you wish to restore a day that is not
- selected, press <Ins> to display the
- Other Days menu:
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Inserted Nodes Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║╔═════════════════════════════════════════════════════════════════════════╗║│
- │║║ ╔══════════════════╗ ╔══════════════════╗ ║║│
- │║╠════════║ Allowed Days ║═════║ Other Days ║════════════════════╣║│
- │║║ Adapter╠══════════════════╣51 ╠══════════════════╣ ║║│
- │║║ ║ │Monday ║r ║ │Saturday ║ ║║│
- │║║ ║ │Tuesday ║ ║ │Sunday ║ ║║│
- │║║ Allo║ │Wednesday ║] ║ │ ║ ║║│
- │║║ Allow║ │Thursday ║00 ║ │ ║ ║║│
- │║║ Au║ │Friday ║ ║ │ ║ ║║│
- │║║ ║ │ ║ ║ │ ║ ║║│
- │║║ ║ │ ║ ║ │ ║ ║║│
- │║║ ╚══════════════════╝ ╚══════════════════╝ ║║│
- │║║ Adapter: ║║│
- │║║ Driver: ║║│
- │║║ Comment: ║║│
- │║╚═════════════════════════════════════════════════════════════════════════╝║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- └─────────────────────────────────────────────────────────────────────────────┘
-
- The Other Days menu lists the days that are not
- currently selected. To specify a day, select
- it and press <Enter>, or highlight a group of
- days and press <F5>. Then press <Esc> to exit
- the menu.
-
- If no days are specified, the node is allowed
- in the ring every day of the week for the
- period specified in the Allowed Times field.
-
- Allowed Specifies the hours during the day when the
- Time: node is allowed on the ring. This a continuous
- period of time with start and stop points that
- must be specified to the hour and minute.
- A 24-hour numbering scheme (0-23 hours) must be
- used. If no allowed time is specified, the
- node is allowed in the ring for 24 hours during
- each day specified in the Allowed Days field.
-
- Location: Specifies the physical location of the node.
- This is user-supplied text.
-
- Machine: Specifies the type of computer at the node.
- This is user-supplied text.
-
-
- Sectra Server for DOS
- Page 6-13
- Adapter: Specifies the type of token ring adapter at
- the node. This is user-supplied text.
-
- Driver: Specifies the type of token ring driver at
- the node. This is user-supplied text.
-
- Comment: A user-supplied comment about the node.
-
-
- Keys
-
- <Esc> Exits to the previously displayed Node Data
- window. If any changes were made, Sectra
- Server for DOS will ask for confirmation.
-
- Select Yes (the default answer) and press
- <Enter> to enter the node into the database.
- Select No and press <Enter> to cancel the
- addition of the node to the database.
-
- If the node specified in the Add Node window
- already exists in the database, Sectra Server
- for DOS displays the following confirmation
- message:
-
- ╔══════════════════════════════════════════╗
- ║ ║
- ║ Node Address Already Exists ║
- ║ ║
- ║ -- Press Any Key to Continue -- ║
- ╚══════════════════════════════════════════╝
-
- Select Yes (the default answer) and press
- <Enter> to enter the data into the database.
- Select No and press <Enter> to cancel this
- operation.
-
-
- Deleting a Node from the Sectra Server for DOS Database
-
- To delete a node from the Sectra Server for DOS database,
- display the Node Data Window for Inactive Nodes. Position
- the cursor on the node (in the node list) that you want to
- delete from the database. Then press <Del> to delete the
- node, and select and enter Yes when asked for confirmation.
-
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 6-14
- CHAPTER SEVEN
- Logging and Highlighting Events
-
- Sectra Server for DOS allows you to view events as they
- occur on a ring and to examine an event log that contains
- the ring's recent history. You can select which events
- Sectra Server for DOS displays and logs.
-
- This chapter contains the following sections:
-
- * Viewing Events as They Occur
- * Examining the Ring's Recent History
- * Selecting Events to Log and Highlight
-
- Event Log Windows
-
- Event Log Monitor
-
- The Event Log Monitor window displays ring events as they
- occur. New events are displayed at the bottom of the window.
- The window automatically scrolls up as needed to display
- events.
-
- There must be an event log for the ring (event logging for
- the ring must have been turned at some point) to see anything
- in the Event Log Window. Otherwise, Sectra Server for DOS
- will display an empty screen.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Event Log - Monitor Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║ │ Ring configuration changing 14:13:36 ║│
- │║ │ Standby monitor summary last = 0001c85e008c ( 5 seen) 14:13:36 ║│
- │║ │ 1 Burst errors between 0001c84b1288 & File Server 14:13:38 ║│
- │║ │ 1 Token errors transmitted reported by 0001c84b1288 14:13:38 ║│
- │║ │ Ring purge event from node 0001c84b1288 14:13:39 ║│
- │║ │ Active monitor present from node 0001c84b1288 14:13:39 ║│
- │║ │ Node 0001c85e0063 NAUN changed to 0001c84b1288 14:13:39 ║│
- │║ │ Standby monitor summary last = 0001c85e0063 ( 1 seen) 14:13:39 ║│
- │║ │ Node File Server NAUN changed to 0001c85e0063 14:13:39 ║│
- │║ │ Standby monitor summary last = 0001c85e008c ( 6 seen) 14:13:39 ║│
- │║ │ 1 Line errors between 0001c85e0063 & File Server 14:13:41 ║│
- │║ │ 1 Burst errors between 0001c85e0063 & File Server 14:13:41 ║│
- │║ │ 1 Token errors transmitted reported by 0001c84b1288 14:13:41 ║│
- │║ │ Active monitor present from node 0001c84b1288 14:13:46 ║│
- │║ │ Standby monitor summary last = 0001c85e0063 ( 1 seen) 14:13:46 ║│
- │║ │ Node inserted into ring - 0001c85e0063 14:13:46 ║│
- │║ │ Standby monitor summary last = File Server ( 1 seen) 14:13:46 ║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- └─────────────────────────────────────────────────────────────────────────────┘
-
-
- Sectra Server for DOS
- Page 7-1
- Event Log History
-
- Manually scrolling up the Event Log Monitor window displays
- the Event Log History window, which allows you to examine the
- event log for the ring. Placing the cursor on the last event
- in the log returns the window to monitor mode.
-
-
- Fields
-
- Events: Descriptions of events that have occurred on
- the ring. See Appendix A for event definitions.
-
- Time: The time at which the corresponding event
- occurred.
-
- Keys
-
- <up arrow> Moves the cursor up or down one line,
- <down arrow> respectively. Moving the cursor to the last
- event in the log returns the Event Log window
- to monitor mode.
-
- <PgUp> Positions the cursor on the first event in the
- window. When pressed from the Event Log
- Monitor window, displays the Event Log History
- window.
-
- <PgDn> Positions the cursor on the last event in the
- window. When pressed from the Event Log
- History window, displays the Event Log Monitor
- window.
-
- <Home> Positions the cursor on the first event in the
- event log. When pressed from the Event Log
- Monitor window, displays the Event Log History
- window.
-
- <End> Positions the cursor on the last event in the
- event log. When pressed from the Event Log
- History window, displays the Event Log Monitor
- window.
-
- <Esc> Exits the Event Log window and displays the
- View/Manage Ring menu.
-
- <F1> Help
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 7-2
- Selecting Events to Log and Highlight
-
- You can specify the events that Sectra Server for DOS logs
- and also highlight events you consider particularly
- significant. Highlighted events are displayed in bold on
- monochrome monitors, and in yellow on color monitors.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Select Events to Log Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║ Errors: Normal Events: ║│
- │║ Beacon Frame: Yes Ring Purge: Yes ║│
- │║ Isolating Errors: Yes Claim Token: Yes ║│
- │║ Non-isolating Errors: Yes New Active Monitor: Yes ║│
- │║ Active Monitor Error: Yes Active Monitor Present: Yes ║│
- │║ Neighbor Notification Incomplete: Yes Standby Monitor Present: Yes ║│
- │║ ║│
- │║ Sectra Control Events: Configuration Events: ║│
- │║ Ring Counters Reset: Yes NAUN Changed: Yes ║│
- │║ Node Removed from Ring: Yes Node Left Ring: Yes ║│
- │║ Ring Change Completed: Yes ║│
- │║ Sectra Events: Ring Change In Process: Yes ║│
- │║ Sent Alarm: Yes Node Inserted into Ring: Yes ║│
- │║ Changed Event Log Filter: Yes Node Inserted First Time: Yes ║│
- │║ Changed Alarm Definition: Yes ║│
- │║ ║│
- │║ ║│
- │║ ║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- └─────────────────────────────────────────────────────────────────────────────┘
-
- The Select Events to Log and Select Events to Highlight
- windows are identical, and are both accessed from the
- View/Manage Ring Data menu.
-
- Select events with the Select Events to Log window.
- To display this window, choose Select Events to Log from
- the View/Manage Ring menu. To select an event from the
- window, place the cursor next to the event, type Y, and
- then press <Enter>. (The default is all events selected).
- To deselect an event, place the cursor over the event and
- type N.
-
- Use the same procedure for the Select Events to Highlight
- window. Appendix A describes all Sectra Server for DOS events.
-
- Press <Esc> to return to the View/Manage Ring menu. Sectra
- Server for DOS prompts you to confirm any changes you have
- made.
-
-
-
- Sectra Server for DOS
- Page 7-3
- Fields
-
- To display and log an event, select that event and type Y.
- To prevent Sectra Server for DOS from displaying and
- logging an event select that event and type N.
-
-
- Keys
-
- <Esc> Exits to the View/Manage Ring menu. If any
- changes were made, Sectra Server for DOS will
- display the following message:
-
- ╔═══════════════╗
- ║ Save Changes? ║
- ╠═══════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚═══════════════╝
-
- Select Yes (the default answer) and press
- <Enter> save the changes. Select No and press
- <Enter> to discard the changes.
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
- Sectra Server for DOS
- Page 7-4
- CHAPTER EIGHT
- Setting Alarms
-
-
- This chapter, which describes how to set Sectra Server for
- DOS alarms, contains the following section:
-
- * Configuring an Alarm
-
- Configuring an Alarm
-
- Sectra Server for DOS allows you to specify whether certain
- error conditions trigger an alarm. Alarms automatically
- notify you when a specified error condition occurs.
-
- To set an alarm, first display the Alarm Definition window
- by selecting Define Alarm from the View/Manage Ring menu.
- Then enter Y next to each error condition that you want to
- trigger an alarm and N next to each error condition that you
- don't want to trigger an alarm.
-
- If you want an excessive number of errors per minute to
- trigger an alarm, you must also specify a threshold (errors
- per minute) for each error type.
-
- ┌─────────────────────────────────────────────────────────────────────────────┐
- │┌───────────────────────────────────────────────────────────────────────────┐│
- ││Thomas-Conrad Corp. Sectra Token Ring Server for DOS Mon Oct 26 14:10 ││
- │└───────────────────────────────────────────────────────────────────────────┘│
- │╔═══════════════════════════════════════════════════════════════════════════╗│
- │║ Tech Pubs Alarm Definition Normal ║│
- │╠═══════════════════════════════════════════════════════════════════════════╣│
- │║ Errors Threshold (Errors/Minute) ║│
- │║ Beacon Frame: No 99 ║│
- │║ Isolating Error: No 99 ║│
- │║ Non-isolating Error: No 99 ║│
- │║ ║│
- │║ Other Events ║│
- │║ Too Many Nodes on Ring: No Threshold: 260 ║│
- │║ Node Removed from Ring: No ║│
- │║ Node Inserted for First Time: No ║│
- │║ ║│
- │╚═══════════════════════════════════════════════════════════════════════════╝│
- │ │
- │ │
- │ │
- │ │
- │ │
- │ │
- │ │
- │ │
- └─────────────────────────────────────────────────────────────────────────────┘
-
-
-
-
- Sectra Server for DOS
- Page 8-1
- If the presence of too many inserted nodes triggers an alarm,
- you must specify the allowed number of nodes on the ring.
- The appropriate threshold is specific to each site. The
- default value for this threshold is 260 nodes.
-
- On exiting the Alarm Definition window, you must confirm
- any changes that you have made.
-
- ┌──────────────────────────────────────────────────┐
- │ NOTE │
- │ Benchmarking your network activity and then │
- │ monitoring activity on a regular basis is the │
- │ only sure way to establish feasible thresholds │
- │ for your network. │
- └──────────────────────────────────────────────────┘
-
-
- Fields
-
- Errors
-
- Beacon Specifies whether too many beacon frames
- Frames: per minute on the ring triggers an alarm.
-
- Isolating Specifies whether too many isolating errors
- Errors: on the ring triggers an alarm.
-
- Non-Isolating Specifies whether too many non-isolating
- Errors: errors on the ring triggers an alarm.
-
- Threshold Specifies the number of errors per minute
- (Errors/ that will trigger an alarm. The threshold
- Minute): can be specified for each error type.
-
- Other Events
-
- Too Many Specifies whether Sectra Server for DOS posts
- Nodes an alarm when too many nodes are inserted into
- on Ring: the ring.
-
- Node Removed Specifies whether Sectra Server for DOS posts
- from Ring: an alarm when it removes a node from the ring.
-
- Node Inserted Specifies whether Sectra Server for DOS posts
- for First an alarm when a node inserts into the ring for
- Time the first time.
-
- Threshold: Specifies the number of nodes allowed to
- be inserted into the ring at any given time.
- This threshold is a 1- to 3-digit decimal
- number. The default value is 260. The
- appropriate setting for the alarm threshold
- is specific to each site. You may want to
-
-
-
- Sectra Server for DOS
- Page 8-2
- set this threshold to the theoretical limit
- for your network or to the maximum number of
- nodes at which your network operates
- efficiently. Sectra Server for DOS does not
- remove the above-limit nodes from the ring.
-
-
- Keys
-
- <Esc> Exits to the View/Manage Ring menu. If any
- changes were made, Sectra Server for DOS
- displays the following confirmation message:
-
- ╔═══════════════════════════════════╗
- ║ Save Changes to Alarm Definition? ║
- ╠═══════════════════════════════════╣
- ║ │No ║
- ║ │Yes ║
- ╚═══════════════════════════════════╝
-
- Select Yes (the default answer) and press
- <Enter> to save the changes. Select No and
- press <Enter> to discard the changes.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 8-3
-
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-
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-
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-
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-
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-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
- Sectra Server for DOS
- Page 8-4
- CHAPTER NINE
- Troubleshooting and Preventive Maintenance
-
- This chapter describes how to use Sectra Server for DOS to
- troubleshoot and maintain your token ring network. This
- chapter contains the following sections:
-
- * Types of Token Ring Errors
- * Error Detection and Recovery Protocols
- * Establishing a Fault Domain
- * Troubleshooting Techniques
- * Preventive Maintenance
-
-
- Types of Token Ring Errors
-
- Token ring errors are classified as one of two types:
-
- Hard errors - Hard errors prevent user data from being
- transmitted on the ring. In addition, hard errors require
- that the ring be reconfigured, either automatically by ring
- recovery protocols or manually by replacing the faulty
- hardware. The node immediately downstream from the hard
- error reports the error by transmitting beacon MAC frames.
- The beacon frame itself is not a hard error but is the token
- ring's response to a hard error. From the beacon frame,
- Sectra Server for DOS extracts the addresses of the nodes
- that mark the fault domain for the hard error (the section
- of the ring in which the error probably occurred).
-
- Soft errors - Soft errors do not totally halt the
- transmission of user data on the ring but, in sufficiently
- large numbers, may cause the ring's performance to degrade
- noticeably. The node detecting a soft error reports it by
- transmitting a report soft error MAC frame. (Actually, in
- this frame, a node transmits a summary of soft errors
- collected by the node.) Soft errors are classified as
- isolating or non-isolating errors. An isolating error
- indicates the two nodes between which an error occurred.
- Non-isolating errors do not isolate the error to a particular
- part of the ring. Tables 9-1 and 9-2 briefly describes the
- isolating and non-isolating soft errors.
-
- In any ring there are a certain amount of soft errors over
- a period of time. This is normal. You must monitor your
- ring to determine what is a normal level of soft errors.
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 9-1
- Isolating Soft Errors
- ╔══════════════════════╤════════════════════════════════════╗
- ║ Error │ Description ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Abort Delimiter │ A node stops transmitting a frame ║
- ║ │ before the frame is completed. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Access Control (A/C) │ A node is unable to properly ║
- ║ │ participate in the ring poll ║
- ║ │ process. Specifically, the Access ║
- ║ │ Control (A/C) field of the active ║
- ║ │ monitor present (AMP) frame or ║
- ║ │ standby monitor present (SMP) ║
- ║ │ frame received from the nearest ║
- ║ │ active upstream neighbor (NAUN) ║
- ║ │ has an incorrect value. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Burst │ A node detects that no data was ║
- ║ │ transmitted by its nearest active ║
- ║ │ upstream neighbor (NAUN) for 5.5 ║
- ║ │ bit times between the start of a ║
- ║ │ frame and the end of the frame. ║
- ║ │ (A bit time is the time required ║
- ║ │ to transmit a bit on the ring.) ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Internal │ An adapter discovers an error ║
- ║ │ internal to itself or its ║
- ║ │ workstation that prevents the node ║
- ║ │ from functioning properly. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Line │ A line error occurs when any of ║
- ║ │ the following happens: a token or ║
- ║ │ a frame is repeated by a node, a ║
- ║ │ token or frame is corrupted, or a ║
- ║ │ frame exhibits a frame check ║
- ║ │ sequence (FCS) error. (An FCS ║
- ║ │ error indicates that data may be ║
- ║ │ corrupted in the frame.) ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Other Isolating │ An isolating error other than an ║
- ║ │ A/C error, abort delimiter error ║
- ║ │ burst error, internal error, or ║
- ║ │ line error. This error type is ║
- ║ │ reserved by the IEEE 802.5 (token ║
- ║ │ ring) specification. ║
- ╚══════════════════════╧════════════════════════════════════╝
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page 9-2
- Non-Isolating Soft Errors
- ╔══════════════════════╤════════════════════════════════════╗
- ║ Frame Copied Error │ A frame addressed to a node is ║
- ║ │ marked as having been read by ║
- ║ │ another node. The node for which ║
- ║ │ the frame was intended reports the ║
- ║ │ error. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Frequency Error │ A node detects that the ring clock ║
- ║ │ generated by the active monitor ║
- ║ │ differs too much from the node's ║
- ║ │ internal clock. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Lost Frame │ A node does not receive a frame ║
- ║ │ that it has transmitted. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Receiver Congestion │ A workstation loses a frame ║
- ║ │ addressed to it because of a lack ║
- ║ │ of buffer space. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Token Error │ The active monitor reports this ║
- ║ │ error when it has to place a good ║
- ║ │ token on the ring because an error ║
- ║ │ occurred during token passing on ║
- ║ │ the ring or because it did not ║
- ║ │ detect a token or frame within a ║
- ║ │ 10 millisecond period. ║
- ╟──────────────────────┼────────────────────────────────────╢
- ║ Other Non-Isolating │ A non-isolating error other than ║
- ║ │ an A/C error, abort delimiter ║
- ║ │ error, burst error, internal ║
- ║ │ error, or line error. This error ║
- ║ │ type is reserved by the IEEE 802.5 ║
- ║ │ (token ring) specification. ║
- ╚══════════════════════╧════════════════════════════════════╝
-
- Error Detection and Recovery Protocols
-
- Token ring networks have extensive built-in facilities for
- error detection and recovery. Before attempting to
- troubleshoot token ring errors, you should have a general
- understanding of how token ring networks report errors and
- attempt to recover from them. This information will help
- you distinguish genuine error conditions from spurious ones
- and help you to troubleshoot problems.
-
-
- Active and Standby Monitor Functions
-
- One adapter on the ring is the active monitor. The monitor
- contention process (described below) determines which
- adapter becomes the active monitor. The active monitor
- performs the following functions to ensure that the ring
- operates properly:
-
-
- Sectra Server for DOS
- Page 9-3
- * Generates the ring's master clock, which the other
- nodes use as a reference for transmit and receive
- operations
-
- * Introduces a delay into the ring to ensure that a
- token can be completely transmitted before being
- taken off the ring by the transmitting node
-
- * Starts the ring poll process (described below) by
- transmitting an active monitor present (AMP) frame
-
- * Monitors the ring poll process to ensure that it
- proceeds correctly
-
- * Every 10 milliseconds, verifies that a good token
- is on the ring
-
- * Purges a frame if the node that transmitted the
- frame fails to do so
-
- * Generates a new token if one is needed
-
- All other nodes serve as standby monitors. Each standby
- monitor performs the following functions to determine whether
- the active monitor is functioning properly:
-
- * Every 2.6 seconds, verifies that it has received a
- good token. If a standby monitor has not received a
- good token within this time, either there is no active
- monitor or the active monitor is not functioning properly.
-
- * Detects the absence of AMP frames. The absence of AMP
- frames indicates that there is no active monitor or that
- the active monitor is not functioning properly
-
- * Detects frequency errors, which indicate that there is
- no active monitor or that the active monitor is not
- functioning properly. (A frequency error is a non-
- isolating soft error that occurs when a node detects
- that the ring clock generated by the active monitor
- differs too much from the node's internal clock.)
-
- * If the active monitor is not functioning properly,
- starts the monitor contention process to select a new
- active monitor
-
- Ring Poll Process
-
- The ring poll process (also known as the neighbor
- notification process) allows each inserted node to obtain
- the address of its Nearest Active Upstream Neighbor (NAUN).
- This information enables a node to indicate the fault domain
- for beacon events and for isolating soft errors. The boundaries
- of a fault domain are the address of the node transmitting the
- frame and the address of its NAUN.
-
- Sectra Server for DOS
- Page 9-4
- The active monitor starts the ring poll process by
- transmitting an AMP frame, which provides the downstream
- node with the active monitor's address. The downstream node
- then transmits an SMP frame, which indicates its own address
- to the next downstream node. This process continues until
- each node has identified itself to its downstream neighbor.
-
-
- Ring Insertion Process
-
- Before an adapter inserts itself into the ring, it tests
- itself and verifies the integrity of the ring status. The
- ring insertion process consists of the following steps:
-
- * Lobe media test
- * Physical insertion into the ring and monitor check
- * Address verification
- * Ring polling
- * Request for initialization
-
- When the adapter is not physically inserted into the ring,
- the adapter's transmit signal is looped back into the
- adapter's receiver. Before the adapter inserts itself into
- the ring, it performs a lobe media test, which is a loopback
- test that verifies that the adapter is receiving the same
- data that it is transmitting. Before the adapter physically
- inserts itself into the ring, it must successfully transmit
- and receive many lobe media test MAC frames and successfully
- send one or more duplicate address test (DAT) frames to itself.
-
- After passing the lobe media check, the adapter outputs a DC
- current, thereby activating a relay that physically inserts
- the adapter's transmit and receive pairs into the ring. If
- the adapter does not detect the presence of an active monitor
- through the receipt of an AMP frame, SMP frame, or ring purge
- frame within a certain period of time, it starts the monitor
- contention process (described below).
-
- After the adapter inserts itself into the ring and detects
- the presence of an active monitor, the adapter verifies that
- it has a unique node address on the ring by transmitting DAT
- MAC frames to itself. If another node in the ring indicates
- that it has the same address, the adapter deinserts itself
- from the ring and terminates the insertion process.
-
- Once the adapter determines that it has a unique address on
- the ring, it participates in the ring poll process
- (described above). During this process, the adapter receives
- the address of its nearest active upstream neighbor (NAUN)
- and provides its own address to its downstream neighbor.
-
- The adapter then requests operating parameters from the node
- that serves as the parameter server for the ring. The
-
-
-
- Sectra Server for DOS
- Page 9-5
- parameter server sends initialization information to adapters
- that are inserting into the ring, thereby ensuring that all
- adapters use the same operating parameters. These parameters
- replace the adapter's default parameters used during the ring
- insertion process.
-
-
- Monitor Contention Process
-
- The monitor contention process establishes one node in the
- ring as the active monitor. This process starts when a
- standby monitor detects that there is no properly
- functioning active monitor in the ring. A standby monitor
- starts the process by transmitting a claim token MAC frame.
- On receiving such a frame, each node enters the contention
- process. The node with the highest numbered address wins
- the contention and becomes the active monitor, whereupon
- it immediately performs a ring purge (described below).
-
- Ring Purge Process
-
- The ring purge process puts the ring into a known state so
- that normal operation can resume. The active monitor starts
- the ring purge process when it detects a token error or after
- becoming the active monitor through monitor contention. To
- start the ring purge process, the active monitor transmits a
- ring purge MAC frame. On receiving this same frame, the
- active monitor transmits a free token to start normal ring
- operation. If errors prevent the active monitor from
- receiving a ring purge MAC frame, the active monitor
- restarts the monitor contention process. If the monitor
- contention process times out, the first node to detect this
- condition starts the beaconing process (described below).
-
- Beaconing Reconfiguration and Removal
-
- The beacon process attempts to recover the ring from a hard
- error. If the recovery succeeds, the ring resumes normal
- operation. If the recovery fails, constant beaconing on the
- ring indicates that the ring is disabled and requires manual
- intervention.
-
- Beaconing begins whenever normal recovery methods (a ring
- purge followed by the monitor contention process) fail to
- clear an error from the ring. The adapter that first detects
- that monitor contention has timed out starts the beaconing
- process by transmitting a beacon MAC frame every 20
- milliseconds. This adapter is in beacon transmit mode.
-
- On receiving a beacon frame, all other nodes in the ring
- enter beacon repeat mode, in which they repeat the beacon
- frame transmitted by the adapter in beacon transmit mode.
-
-
-
-
- Sectra Server for DOS
- Page 9-6
- If an adapter in beacon repeat mode does not receive a
- beacon frame within a 200-millisecond period, it assumes
- that the ring has recovered from beaconing. The adapter
- then starts or enters the monitor contention process.
-
- The error that caused the beaconing is located between the
- receiver of the adapter that is in beacon transmit mode and
- the transmitter of the NAUN. One or both of these two
- adapters, which mark the boundary of the fault domain, may
- attempt to verify its own operation by automatically removing
- itself from the ring and executing its media lobe test
- (described above). If the NAUN receives eight consecutive
- beacon frames from its downstream neighbor, it performs the
- reconfiguration and removal process. If the adapter in
- beacon transmit mode receives its own beacon frame for 26
- seconds (indicating that the removal of the NAUN from the
- ring did not solve the problem), it performs the
- reconfiguration and removal process. If either adapter
- fails its media lobe test, it remains physically deinserted
- from the ring. If either adapter passes the test, it
- reinserts itself into the ring and enters the monitor
- contention process. If the monitor contention process fails,
- beaconing resumes, resulting in constant beaconing on the
- ring.
-
- Establishing a Fault Domain
-
- Before troubleshooting a token ring problem, you should
- establish a fault domain for the problem. A fault domain
- is a limited area of the ring in which the error probably
- occurred (or is occurring).
-
- A fault domain is bounded by two nodes. Beacon event
- messages and isolating soft error messages identify the two
- nodes that mark the fault domain for the beacon event or
- soft error, respectively. One node reported the beacon
- event or soft error. The other node is the reporting node's
- nearest active upstream neighbor (NAUN).
-
- A fault domain contains the following field replaceable units
- (FRUs):
-
- * The adapter that reported the error condition
- * The reporting adapter's lobe (the cable between the
- adapter and the MAU)
- * The MAU to which the reporting adapter is attached
- * The NAUN's adapter
- * The NAUN's lobe
- * The MAU to which the NAUN is attached (which could
- be the same MAU to which the reporting adapter is
- attached or a different MAU)
- * The ring-in/ring-out cable between the MAUs (if the
- two adapters are on different MAUs)
-
-
-
- Sectra Server for DOS
- Page 9-7
- Sectra Server for DOS provides two ways to determine the
- boundaries of a fault domain:
-
- * The easiest way is to display the Error Summary window
- for the ring and see which node is reporting beacon
- events or isolating errors. This node and its NAUN
- mark the boundaries of the fault domain.
-
- * The second way to determine a fault domain is to
- examine the error log for the ring and get the
- addresses for the two nodes from a beacon event
- message or an isolating soft error message.
-
- Once you have determined a fault domain, you can use adapter
- diagnostics (such as Thomas-Conrad's Ring Tools, which is
- supplied with each Thomas-Conrad adapter) or replace FRUs to
- isolate the failing FRU within the fault domain.
-
-
- Troubleshooting Techniques
-
- Symptoms of network problems, what you or users on your
- network experience when the network is not operating
- properly, can be divided into three general classes:
-
- * A node can't insert itself into the ring.
- * Ring performance is noticeably degraded and numerous
- errors are occurring.
- * The ring is in a beaconing state or has recovered
- from beaconing.
-
-
- A Node Can't Insert into the Ring
-
- If a node is unable to insert into the ring, the user at the
- node will not be able to access the network. In this case,
- use the following troubleshooting procedure:
-
- 1 If necessary, check whether unauthorized nodes are
- allowed in the ring. Both the View/Manage Ring
- menu and the Ring Data window indicate this.
-
- 2 Use the Node Data Window for Inactive Nodes to check
- whether the node is an authorized node and whether
- the node is allowed to be in the ring at this
- time.
-
- 3 If the node is allowed to be in the ring at this time,
- review any other configuration information displayed
- for the node. You may find, for example, that the
- driver is not suitable for the adapter or that there
- is a mismatch between the adapter speed and the ring
- speed.
-
-
-
- Sectra Server for DOS
- Page 9-8
- 4 Check that the adapter's lobe cable (the cable running
- from the network adapter to the MAU) is properly
- connected to both the adapter and the MAU.
-
- 5 Verify that the adapter is configured properly for
- the ring. (For example, make sure that the ring speed
- is correct.) If the adapter is a Thomas-Conrad
- adapter, insert the Ring Tools diskette into a
- workstation and enter ringtools to invoke the Ring
- Tools diagnostic program. Then select Adapter Settings
- to display the configuration settings for the adapter.
- If the adapter is not a Thomas-Conrad adapter, you may
- have to check the jumper and switch settings on the
- adapter.
-
- 6 Check whether the MAU port is malfunctioning by
- plugging the adapter into another MAU port. If the
- adapter can now insert into the ring, the previously
- used MAU port is the problem.
-
- 7 If the adapter is using a locally administered address
- (a user-assigned address), verify that the adapter
- address is unique on the ring. If the adapter is a
- Thomas-Conrad adapter, run Ring Tools to verify the
- address. Otherwise, turn off the locally administered
- address. If the adapter can insert into the ring when
- the locally administered address is turned off, the
- problem is a duplicate address.
-
- 8 Verify that the adapter is functioning properly by
- running the adapter diagnostics on the adapter (Ring
- Tools on a Thomas-Conrad adapter). You can also
- replace the adapter with a known-good adapter and
- try to insert the new adapter into the ring. If the
- adapter fails the diagnostic or if a known-good adapter
- can insert into the ring, the problem is the adapter.
-
- 9 Test the cabling between the adapter and MAU by
- replacing it with a known-good cable or replacing the
- workstation with a known-good workstation. If the
- problem goes away in the first case or does not go
- away in the second case, the cabling is the problem.
-
- 10 Check whether the adapter uses bus master mode
- (the fastest mode of transferring data between the
- workstation and the ring) and whether the adapter's
- workstation supports bus master mode. Note that
- some so-called IBM-compatible computers do not
- actually support bus master mode. If possible,
- configure the adapter for I/O mapped mode and try to
- insert it into the ring. You can also replace the
- adapter with a known-good adapter. If a known-good
- adapter cannot insert into the ring and if known-good
-
-
-
- Sectra Server for DOS
- Page 9-9
- cabling is being used, the problem is probably that the
- workstation does not support bus master mode.
-
- 11 If the above procedure does not isolate the problem,
- call Thomas-Conrad Technical Services toll-free
- 24-hours-a-day 7 days-a-week at (800) 334-4112.
-
-
- Performance Degradation
-
- There are two major causes of performance degradation,
- excessive network traffic and excessive soft errors.
-
- During peak periods of use, your network may carry more
- traffic than it can service at optimum speed. If this
- performance degradation becomes a problem, you may want to
- split the ring into two or more smaller rings. Otherwise,
- consider limiting the access of high-traffic nodes to hours
- when other nodes are not using the network very much. You
- should also make sure that the number of allowed nodes on
- the ring (which you can specify in the Specify Ring
- Parameters window) is not exceeded.
-
- Excessive soft errors can also cause a noticeable
- degradation of ring performance. How many soft errors are
- excessive is specific to each ring. The following
- guidelines, however, are valid for all rings:
-
- * Rings with many nodes are more likely to experience
- soft errors than rings with few nodes.
-
- * Rings running at 16 Mbps are more likely to experience
- soft errors than rings running at 4 Mbps.
-
- * Rings with Type 3 media (unshielded twisted-pair),
- which is more susceptible to ring jitter, are more
- likely to experience soft errors than rings with Type 1
- media (shielded twisted-pair).
-
- You should become familiar enough with each ring on your
- network to get an idea of how many soft errors in a given
- period is normal. Keep in mind that inserting and removing
- nodes from the network causes soft errors. If your ring is
- very stable, if no nodes are inserting into or deinserting
- from the ring, you should see very few soft errors, if any,
- on the ring.
-
- As explained earlier in this chapter, soft errors can be
- isolating or non-isolating errors. Both types of errors
- often occur together. In fact, when troubleshooting soft
- errors, you should look for isolating soft errors, which
- indicate a fault domain. Except for the receiver
-
-
-
-
- Sectra Server for DOS
- Page 9-10
- congestion error, non-isolating errors do not provide much
- useful information for troubleshooting. (The receiver
- congestion error points to a problem with the workstation
- at the node that reported the error.)
-
- Use the following troubleshooting procedure to troubleshoot
- isolating soft errors:
-
- 1 Look at the Error Summary window for the ring to
- determine which node is reporting the isolating soft
- errors. This node and its NAUN are the boundaries of
- the fault domain. You can also look at the soft error
- messages in the event log for the ring. The
- messages identify the two nodes that establish the
- fault domain for a soft error.
-
- 2 Remove one of these adapters from the ring. If the
- soft errors go away, this adapter is probably the
- cause of the soft errors. If the adapter is a
- Thomas-Conrad adapter, insert the Ring Tools diskette
- into a workstation and enter ringtools to invoke the
- Ring Tools diagnostic program. Then run Ring Tools on
- the adapter. If the adapter is not a Thomas-Conrad
- adapter, run the manufacturer's diagnostics (if
- available) on the adapter. You can also try
- reinserting the adapter back into the ring. If this
- causes excessive soft errors (once the ring has
- stabilized after the insertion), this adapter is the
- problem.
-
- 3 If there are still excessive soft errors, repeat step
- 2 for the other adapter indicated in the fault domain.
-
- 4 If steps 2 and 3 did not isolate the problem, replace
- the lobe cable for one of the adapters in the fault
- domain with a known-good lobe cable. Then reinsert
- the adapter into the ring. If the soft errors go away,
- the lobe cable is the problem. If the soft errors do
- not go away, replace the cable for the other adapter
- in the fault domain. If the soft errors go away, this
- lobe cable is the problem.
-
- 5 If there are still excessive soft errors, determine
- whether the fault domain includes one MAU or two
- MAUs.
-
- 6 If the fault domain includes only one MAU, this MAU
- is probably the problem. Reinitialize the MAU by
- powering it down and then powering it up or by using
- an appropriate reset tool. If this doesn't solve the
- problem, replace the defective MAU with a known-
- good MAU if you have one. The soft errors should go
-
-
-
-
- Sectra Server for DOS
- Page 9-11
- away. If you don't have a spare MAU, connect the
- affected adapters to another MAU if possible.
- Otherwise, try to reroute the ring cabling to bypass
- the defective MAU. If this does not solve the problem,
- call Thomas-Conrad Technical Services toll-free
- 24-hours-a-day, 7 days-a-week at (800) 334-4112.
-
- 7 If the fault domain includes two MAUs, disconnect the
- cable between the MAUs. If the soft errors go away,
- the problem is the cable.
-
- 8 If there are still excessive soft errors, the problem
- is probably one of the MAUs in the fault domain.
- Disconnect the other ring-in/ring-out cable from one of
- the MAUs. If the soft errors go away, this MAU is the
- problem. If this does not solve the problem, do the
- same thing to other MAU. If the soft errors go away,
- this MAU is the problem.
-
- 9 If there are still excessive soft errors, call Thomas-
- Conrad Technical Services toll-free 24-hours-a-day
- 7 days-a-week at (800) 334-4112.
-
-
- Beaconing
-
- A ring experiencing beaconing can either beacon continuously,
- or recover from beaconing, in which case one or more nodes is
- removed from the ring. A troubleshooting procedure is
- provided for each of these situations.
-
-
- The Ring Has Recovered from Beaconing
-
- If the ring has recovered from a beacon event, use the
- following troubleshooting procedure to determine whether
- either or both of the nodes in the fault domain is
- malfunctioning:
-
-
- 1 Look at the Error Summary window for the ring to
- determine which node reported the beacon events.
- This node and its nearest NAUN are the boundaries
- of the fault domain. You can also look at the beacon
- event messages in the event log for the ring. The
- messages identify the two nodes that establish the
- fault domain for the beacon event.
-
- 2 Either of these adapters may have removed itself
- from the ring. If the adapter is a Thomas-Conrad
- adapter, insert the Ring Tools diskette into a
- workstation and enter ringtools to invoke the Ring
- Tools diagnostic program. If the adapter is not a
-
-
-
- Sectra Server for DOS
- Page 9-12
- Thomas-Conrad adapter, run the manufacturer's
- diagnostics (if available) on the adapter. If no
- adapter diagnostics are available, replace the removed
- adapter with a known-good adapter. If the adapter
- fails its diagnostics or if a known-good adapter works,
- the problem is the removed adapter.
-
- 3 If both adapters pass their diagnostics or if the
- known-good adapter does not work, the problem may be a
- MAU port. Reinitialize the MAU to which the suspect
- adapter is connected by powering it down and then
- powering it up or by using an appropriate reset tool.
- If this doesn't solve the problem, plug each of the
- affected adapters into a different MAU port. If the
- adapter works, the problem is the MAU port into which
- the adapter was previously plugged. If necessary,
- replace the MAU.
-
- 4 If you cannot locate the cause of beaconing, monitor
- the fault domain to see whether further errors occur.
-
-
- The Ring is Beaconing Continuously
-
- If the ring is beaconing continuously, use the following
- troubleshooting procedure:
-
-
- 1 Look at the Error Summary window for the ring to
- determine which node is reporting the beacon events.
- This node and its NAUN are the boundaries of the
- fault domain. You can also look at the beacon event
- messages in the event log for the ring. The
- messages identify the two nodes that establish the
- fault domain for the beacon event.
-
- 2 Remove one of these adapters from the ring. If the
- beaconing goes away, this adapter is probably the
- cause of the beaconing. Reinsert the adapter into the
- ring. If beaconing resumes, this adapter is the
- problem. Verify this by testing the affected adapter
- with adapter diagnostics if available. If the adapter
- is a Thomas-Conrad adapter, insert the Ring Tools
- diskette into a workstation and enter ringtools to
- invoke the Ring Tools diagnostic program. Then run
- Ring Tools on the adapter.
-
- 3 If the ring is still beaconing after you remove one
- adapter, repeat step 2 for the other adapter indicated
- in the beacon message.
-
- 4 If the ring is still beaconing, determine whether the
- fault domain includes one MAU or two MAUs.
-
-
-
- Sectra Server for DOS
- Page 9-13
- 5 If the fault domain includes only one MAU, this MAU
- is probably the problem. Reinitialize the MAU by
- powering it down and then powering it up or by using
- an appropriate reset tool. If this doesn't solve the
- problem, replace the defective MAU with a known-
- good MAU if you have one. Beaconing should stop.
- If you don't have a spare MAU, connect the affected
- adapters to another MAU, if possible. Otherwise, try
- to reroute the ring cabling to bypass the end of the
- MAU (ring-in or ring-out) that may be causing the
- problem. If you still cannot restore normal ring
- operation, call Thomas-Conrad Technical Services
- toll-free 24-hours-a-day, 7 days-a-week at
- (800) 334-4112.
-
- 6 If the fault domain includes two MAUs, disconnect the
- cable between the MAUs. If the beaconing stops, the
- problem is the cable.
-
- 7 If beaconing does not stop, the problem is probably
- one of the MAUs in the fault domain. Disconnect the
- other ring-in/ring-out cable from one of the MAUs. If
- beaconing stops, this MAU is the problem. If the ring
- is still beaconing, do the same thing to other MAU.
- If beaconing stops, this MAU is the problem.
-
- 8 If the ring is still beaconing, call Thomas-Conrad
- Technical Services toll-free 24-hours-a-day, 7 days-
- a-week at (800) 334-4112.
-
-
- Preventive Maintenance and Security
-
- You can use Sectra Server for DOS to perform preventive
- maintenance for your token ring network and to monitor
- network security.
-
- Preventive maintenance involves monitoring the operation of
- your network to spot and correct problems before they cause
- a serious disruption of network operation. Sectra Server
- for DOS enables you to do this by providing both overviews
- and detailed records of network operation.
-
- To get a quick overview of what's been happening on the
- network, look at the View/Manage Ring menu for each ring
- to see whether any beacon events and/or soft errors have
- occurred. Look at the Error Summary window see where in
- the ring any errors have been occurring.
-
- To get a more detailed picture of network operation, display
- the Event Log Monitor window to look at network events as
- they occur or display the Event Log History window to examine
- the event log for the ring. If you notice that certain
- conditions, such as too many nodes on the ring or an
-
-
- Sectra Server for DOS
- Page 9-14
- excessive number of soft errors per minute, tend to precede
- serious problems, use the Alarm Definition window to set up
- alarms for these conditions.
-
- Sectra Server for DOS gives you several ways of monitoring
- ring security. Both the View/Manage Ring menu and the Ring
- Data window indicate whether any unauthorized nodes are in
- the ring. Use the Alarm Definition window to direct Sectra
- Server for DOS to post an alarm when any of the following
- occurs:
-
- * Sectra Server for DOS removes a node from the ring
- * An unauthorized node attempts to gain access to
- the ring
- * Sectra Server for DOS sees a node on the ring for the
- first time.
-
- Use the Node Data Window for Inactive Nodes to examine
- configuration information about nodes that Sectra Server for
- DOS has removed from the ring. If you have specified in the
- Select Events to Log window that Sectra Server for DOS log
- certain Sectra Server for DOS control events, you can also
- look at the event messages concerning the removal of nodes
- from the ring.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
- Sectra Server for DOS
- Page 9-15
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- Sectra Server for DOS
- Page 9-16
- APPENDIX A
- Sectra Server for DOS Event Descriptions
-
-
- This appendix describes the events that Sectra Server for DOS
- can display in the Event Log Monitor window and can log to a
- ring's event log file (accessed with the Event Log History
- window). This appendix contains the following sections:
-
- * Event Types
- * Event Descriptions
-
- Event Types
-
- Sectra Server for DOS recognizes six types of events:
-
- * Events that are always logged. Sectra Server for DOS
- always logs these events if event logging is turned on.
- However, Sectra Server for DOS does not generate an
- alarm when an event of this type occurs. The following
- events are always logged:
-
- Alarm - {cause_of_alarm}
- Event logging started
- Event logging stopped
-
- * Sectra Server for DOS events. These events indicate
- when Sectra Server for DOS has sent an alarm, when a
- user has selected events for Sectra Server for DOS to
- display and log, or when Sectra Server for DOS itself
- has been loaded or unloaded:
-
- Client Started
- Client Stopped
- Event filter set
- Sectra Server for DOS for DOS loaded
- Sectra Server for DOS for DOS unloaded
-
- * Normal events. These events occur as part of normal
- ring operation:
-
- Active monitor present from {node}
- Claim token event from {node}
- New active monitor from {node}
- Ring purge event from {node}
- Standby monitor present from {n} nodes - last: {node}
-
- * Configuration events. These events indicate a change
- in the ring configuration:
-
- {node} inserted into ring ({n} nodes in ring)
- {node} left ring ({n} nodes currently in ring)
- {node} seen for first time ({n} nodes in ring)
-
-
-
- Sectra Server for DOS
- Page A-1
- Ring configuration change completed ({n} nodes in ring)
- Ring configuration changing
-
- * Error events. These events result from hard or soft
- errors that occur on the ring:
-
- Abort delimiter: {n} from {node_1} to {node_2}
- A/C error: {n} between {node_1} and {node_2}
- Active monitor error event from {node}
- Beacon frame between node_1 and node_2
- Burst error: {n} between {node_1} and {node_2}
- Frame copy error: {n} reported by node
- Frequency error: {n} reported by node
- Internal error: {n} between {node_1} and {node_2}
- Line error: {n} between {node_1} and {node_2}
- Lost frame: {n} reported by node
- MAC frame(s) lost
- Neighbor notification incomplete event - last: {node}
- Receiver congestion: {n} reported by node
- Token error: {n} reported by node
-
- * Sectra Server for DOS control events. These events
- indicate when Sectra Server for DOS has removed a node
- from the ring, when a user has blocked a node from
- entering the ring, or when a user resets the node or
- ring counters:
-
- {node} blocked
- {node} counters reset
- {node_1} NAUN changed to {node_2}
- {node} removed
- Ring counters reset
-
-
- Event Descriptions
-
- Each event message is described below. The event messages
- are arranged in alphabetical order.
-
-
- Abort delimiter: {n} from {node_1} to {node_2}
-
- Event type: Error
-
- Description: {n} abort delimiter errors generated by
- {node_1} were detected by its downstream
- neighbor, {node_2}. An abort delimiter is
- an isolating soft error that occurs when a
- node stops transmitting a frame before
- the frame is completed.
-
- Probable A recoverable or unrecoverable error
- Cause: internal to the node's workstation, or a
- token that is not terminated properly (a
-
-
- Sectra Server for DOS
- Page A-2
- token in which the third byte is not an
- ending delimiter).
-
- Action: If an excessive number of these errors
- occurs, replace the {node_1} and/or {node_2}
- adapters. If this does not solve the
- problem, follow the troubleshooting
- procedure for performance degradation in
- Chapter 9.
-
-
- A/C error: {n} between {node_1} and {node_2}
-
- Event type: Error
-
- Description: {n} access control (A/C) errors occurred
- between {node_1} and {node_2}. This an
- isolating soft error that occurs during the
- ring poll process when a node is unable
- to properly participate in this process.
- (Specifically, the Access Control (A/C)
- field of an active monitor present (AMP)
- frame or standby monitor present (SMP)
- frame has an incorrect value.) The error
- is generated by {node_1} and detected by
- its downstream neighbor, {node_2}.
-
- Possible This error can occur when a node inserts
- Cause: itself into the ring or deinserts itself from
- the ring. An excessive number of these
- errors can indicate a malfunctioning
- adapter at {node_1}.
-
- Action: If an excessive number of these errors
- occurs, follow the troubleshooting
- procedure for performance degradation in
- Chapter 9.
-
-
- Active monitor error event from {node}
-
- Event type: Error
-
- Description: The active monitor (node) has received a
- purge MAC frame or active monitor
- present (AMP) MAC frame that it did not
- transmit, or has received a claim token
- frame. This a non-isolating soft error
- indicating that there may be another
- active monitor on the ring.
-
- Possible The active monitor that sent the error
- Cause: frame may be malfunctioning, another
- node on the ring may incorrectly assume
-
-
- Sectra Server for DOS
- Page A-3
- that it is the active monitor and may
- therefore be malfunctioning, or there may
- be another node with the same address
- as the active monitor (node).
-
- Action: Run adapter diagnostics on the adapter at
- the node identified in the event message.
- (Run Ring Tools on a Thomas-Conrad
- adapter.) If you don't have any adapter
- diagnostics, replace the adapter with a
- known-good adapter to see if the problem
- goes away.
-
-
- Active monitor present from node
-
- Event type: Normal
-
- Description: The active monitor (node) transmits an
- AMP frame to make the standby monitor
- nodes aware of its presence. The active
- monitor does this following a successful
- ring purge and every 7 seconds during
- normal operation to initiate the ring poll
- process.
-
- Action: None required.
-
-
- Alarm - {cause_of_alarm}
-
- Event type: Always Logged
-
- Description: Sectra Server for DOS detected an error
- condition for which it is supposed to post
- an alarm. The {cause_of_alarm} indicates
- which of the following error conditions
- caused the alarm: (too many) beacon frames
- (per minute), (too many) isolating errors
- (per minute), (too many) non-isolating
- errors (per minute), too many nodes on ring,
- node not allowed on ring, or node inserted
- for first time.
-
- Possible Any of the above-listed error conditions.
- Cause:
-
- Action: Determine which error condition caused
- the alarm and respond to the problem
- accordingly.
-
-
-
-
-
-
- Sectra Server for DOS
- Page A-4
- Beacon frame between {node_1} and {node_2}
-
- Event type: Error
-
- Description: {node_2} transmitted a beacon frame,
- indicating that a hard error exists between
- its receiver and the transmitter of its
- NAUN, {node_1}.
-
- Possible A beacon frame always indicates that
- Cause: normal ring operation was or is being
- disrupted by a hard error. See Chapter 9
- for a detailed description of what can
- cause beaconing.
-
- Action: Follow the appropriate troubleshooting
- procedure for beaconing, as described in
- Chapter 9.
-
-
- Burst error: n between {node_1} and {node_2}
-
- Event type: Error
-
- Description: {n} burst errors occurred between {node_1}
- and {node_2}. A burst error is an isolating
- soft error that occurs when {node_2}
- detects that no data was transmitted by
- {node_1} for 5.5 bit times between the start
- and the end of a frame. (A bit time is the
- amount of time required to transmit one
- bit on the ring.)
-
- Possible A break in cabling, an adapter being
- Cause: unplugged, a bumped wire, or normal ring
- activity, such as the insertion of a node
- into the ring.
-
- Action: If an excessive number of these errors
- occurs, follow the troubleshooting
- procedure for performance degradation
- described in Chapter 9.
-
-
- Claim token event from node
-
- Event type: Normal
-
- Description: A node started the monitor contention
- process by placing a claim token on the
- ring.
-
- Possible A new active monitor is needed for the
- Cause: ring.
-
-
- Sectra Server for DOS
- Page A-5
- Action: None required. This is a normal
- occurrence on the ring.
-
-
- Client Started
-
- Event type: Sectra Server for DOS
-
- Description: A user started Sectra Server for DOS Client
- for Windows. The user is identified by the
- network username.
-
- Action: None required.
-
-
- Client Stopped
-
- Event type: Sectra Server for DOS
-
- Description: A user stopped Sectra Server for DOS Client
- for Windows. The user is identified by the
- network username.
-
- Action: None required.
-
-
- Event filter set
-
- Event type: Sectra Server for DOS
-
- Description: The event log filter for the ring was
- changed.
-
- Action: None required.
-
-
- Event logging started
-
- Event type: Always Logged
-
- Description: A user turned on Sectra Server for DOS event
- logging for the ring.
-
- Action: None required.
-
-
- Event logging stopped
-
- Event type: Always Logged
-
- Description: A user turned off Sectra Server for DOS event
- logging for the ring.
-
- Action: None required.
-
-
- Sectra Server for DOS
- Page A-6
- Frame copy error: {n} reported by node
-
- Event type: Error
-
- Description: {node} reported {n} frame copy errors. A
- frame copy error is a non-isolating soft
- error that occurs when a frame addressed
- to a node is marked as having been read
- by another node. The node for which the
- frame was intended reports the error.
-
- Possible The line is broken, there was electrical
- Cause: noise on the line, or there is a duplicate
- node address.
-
- Action: If an excessive number of these errors
- has occurred, look for isolating errors that
- occurred at approximately the same time
- as the frame copy error so that you can
- establish a fault domain (the section of
- the ring that is probably causing the
- problem).
-
-
- Frequency error: {n} reported by node
-
- Event type: Error
-
- Description: {node} reported {n} frequency errors. A
- frequency error is a non-isolating soft
- error that occurs when a node detects
- that the ring clock generated by the active
- monitor differs too much from the node's
- internal clock.
-
- Possible The node's lobe cable (the cable between
- Cause: the adapter and the MAU) is too long.
- The node's adapter could be
- malfunctioning.
-
- Action: Run adapter diagnostics on the affected
- adapter (Ring Tools on a Thomas-Conrad
- adapter), or replace the adapter with a
- known-good adapter. If the adapter is not
- the problem, replace the {node's} lobe
- cable with a shorter cable.
-
-
- Internal error: {n} between {node_1} and {node_2}
-
- Event type: Error
-
- Description: {n} internal errors occurred between
- {node_1} and {node_2}. An internal error is
-
-
- Sectra Server for DOS
- Page A-7
- an isolating soft error that occurs when an
- adapter discovers an error internal to itself
- or its workstation that prevents the node
- from functioning properly in the ring.
-
- Possible The adapter at the affected node may be
- Cause: malfunctioning.
-
- Action: Run adapter diagnostics on the affected
- adapter, replace this adapter with a
- known-good adapter, try the affected
- adapter with a new workstation, or try a
- known-good workstation with the affected
- adapter.
-
-
- Line error: {n} between {node_1} and {node_2}
-
- Event type: Error
-
- Description: {n} line errors occurred between {node_1}
- and {node_2}. A line error is an isolating
- error that occurs when any of the
- following happens: a token or a frame is
- repeated by a node, a token or frame
- contains corrupted fields, or a frame
- check sequence (FCS) error occurs. An
- FCS error indicates that data may be
- corrupted in the frame
-
- Possible A node inserting into or deinserting from
- Cause: the ring, a bad lobe cable (the cable
- between the adapter and the MAU), or
- electrical noise.
-
- Action: If an excessive number of line errors has
- occurred, check whether a node inserted
- into or deinserted from the ring just before
- the line errors occurred. If the errors
- persist, replace the {node's} lobe cable with
- a known-good cable.
-
-
- Lost frame: n reported by node
-
- Event type: Error
-
- Description: A lost frame error is a non-isolating error
- that occurs when a node does not receive
- a frame that it has transmitted.
-
- Possible A node inserted into or deinserted from
- Cause: the ring, or the {node's} adapter or lobe
- cable is bad.
-
-
- Sectra Server for DOS
- Page A-8
- Action: Check whether a node inserted into or
- deinserted from the ring just before the
- line errors occurred. If the errors persist,
- run adapter diagnostics on the affected
- adapter (Ring Tools on a Thomas-Conrad
- adapter), or replace the adapter with a
- known-good adapter. Replace the {node's}
- lobe cable with a known-good cable.
-
-
- Neighbor notification incomplete event - last: {node}
-
- Event type: Error
-
- Description: This error is a non-isolating soft error that
- occurs when one of the standby monitors
- did not complete the ring poll process.
- {node} is the last node to complete the
- sequence.
-
- Possible The downstream neighbor of {node} could
- Cause: be malfunctioning.
-
- Action: If there is an excessive number of these
- errors, replace {node's} downstream
- neighbor.
-
- New active monitor from {node}
-
- Event type: Normal
-
- Description: {node} has won the monitor contention and
- is now the new active monitor.
-
- Action: None required. This is a normal
- occurrence.
-
-
- {node} blocked
-
- Event type: Sectra Server for DOS control
-
- Description: A user has blocked {node's} access to the
- ring by pressing the <F8> key when the
- Node Data Window for Inserted Nodes is
- displayed.
-
- Action: None required.
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page A-9
- node counters reset
-
- Event type: Sectra Server for DOS control
-
- Description: A user reset the Sectra Server for DOS error
- counters for the node.
-
- Action: None required.
-
-
- {node} inserted into ring ({n} nodes in ring)
-
- Event type: Configuration
-
- Description: {node} inserted itself into the ring. {n}
- nodes, including the newly inserted node, are
- now inserted into the ring.
-
- Action: None required.
-
-
- node left ring ({n} {nodes} currently in ring)
-
- Event type: Configuration
-
- Description: {node} removed itself from the ring. n
- nodes are now inserted into the ring.
-
- Action: None required.
-
-
- {node_1} NAUN changed to {node_2}
-
- Event type: Configuration
-
- Description: The nearest active upstream neighbor
- (NAUN) of {node_1} changed to {node_2}.
-
- Possible A node inserted into the ring between
- Cause: {node_1} and its former NAUN or
- deinserted from the ring between {node_1}
- and its former NAUN.
-
- Action: None required. This is a normal
- occurrence.
-
-
-
-
-
-
-
-
-
-
-
- Sectra Server for DOS
- Page A-10
- {node} removed
-
- Event type: Sectra Server for DOS control
-
- Description: Sectra Server for DOS removed {node} from
- the ring.
-
- Possible The node is not authorized to be in the
- Cause: ring or is not allowed to be in the ring at
- this time.
-
- Action: Check whether the node is currently
- authorized to be in the ring.
-
-
- {node} seen for first time ({n} {nodes} in ring)
-
- Event type: Configuration
-
- Description: This is the first time that {node} has
- inserted itself into the ring since Sectra
- Server for DOS was last loaded. If the node
- was an unauthorized node or was not allowed to
- be in the ring at this time, Sectra Server for
- DOS removed the node from the ring.
-
- Action: Check whether the node is authorized to
- be on the ring.
-
-
- Receiver congestion: {n} reported by node
-
- Event type: Error
-
- Description: {node} reported {n} receiver congestion
- errors. A receiver congestion error occurs
- when a workstation loses a frame
- addressed to it because of a lack of buffer
- space.
-
- Possible The workstation's operation is too slow or
- Cause: has come to a halt. The problem could
- also be that one or more workstations is
- sending an excessive number of frames
- to the indicated node.
-
- Action: If an excessive number of these errors
- has occurred, return the workstation to
- normal operation, reduce the workstation
- workload, or replace the workstation with
- a faster one.
-
-
-
-
-
- Sectra Server for DOS
- Page A-11
- Ring configuration change completed ({n} nodes in ring)
-
- Event type: Configuration
-
- Description: The configuration of the ring has changed.
- Sectra Server for DOS has completed
- reorganizing its database to account for
- the change.
-
- Possible Any event that causes one or more rings
- Cause: to insert into or deinsert from the ring.
-
- Action: None, unless a hard error caused the
- reconfiguration; in that case, follow the
- appropriate troubleshooting procedure for
- beaconing described in Chapter 9.
-
- Ring configuration changing
-
- Event type: Configuration
-
- Description: The configuration of the ring is changing.
- Sectra Server for DOS is reorganizing its
- database to account for the change.
-
- Possible Any event that causes one or more rings
- Cause: to insert into or deinsert from the ring.
-
- Action: None, unless a hard error caused the
- reconfiguration; in that case, follow the
- appropriate troubleshooting procedure for
- beaconing described in Chapter 9.
-
- Ring counters reset
-
- Event type: Sectra Server for DOS control
-
- Description: The Sectra Server for DOS ring counters for
- the ring were reset.
-
- Action: None required.
-
- Ring purge event from {node}
-
- Event type: Normal
-
- Description: The active monitor {node} has initiated a
- ring purge operation.
-
- Possible A node, on assuming the role of the new
- Cause: active monitor, always performs a ring
- purge. The active monitor also performs
- a ring purge in response to error
-
-
-
- Sectra Server for DOS
- Page A-12
- conditions on the ring. (See Chapter 9 for
- a description of the ring purge process.)
-
- Action: None, unless the number of ring purges
- are excessive; in that case, troubleshoot
- any isolating soft errors associated with
- the ring purge. Use the troubleshooting
- procedure for performance degradation
- described in Chapter 9.
-
-
- Sectra Server for DOS for DOS loaded
-
- Event type: Sectra Server for DOS
-
- Description: The Sectra Server for DOS program was loaded.
-
- Action: None required.
-
-
- Sectra Server for DOS for DOS unloaded
-
- Event type: Sectra Server for DOS
-
- Description: The Sectra Server for DOS program was unloaded.
-
- Action: None required.
-
-
- Standby monitor present from {n} nodes - last: {node}
-
- Event type: Normal
-
- Description: This is a summary of the standby monitor
- present (SMPs) frames transmitted by the
- standby monitors as part of the ring poll
- process. This message indicates that {n}
- nodes transmitted SMP packets and that
- {node} was the last node in the ring to do
- so.
-
- Action: None required. This is a normal
- occurrence.
-
- Token error: {n} reported by node
-
- Event type: Error
-
- Description: {n} token errors occurred and were reported
- by {node}. A token error is a non-isolating
- soft error reported by the active monitor
- when it has to place a new token on the
- ring because an error occurred during
- token passing on the ring or because it
-
-
- Sectra Server for DOS
- Page A-13
- did not detect a token or frame within 10
- milliseconds.
-
- Possible This error is quite common when a node
- Cause: inserts itself into the ring or removes itself
- from the ring. If an excessive number of
- these error occurs, there is probably a
- cabling problem.
-
- Action: If you suspect a problem, check for
- isolating soft errors that occurred when
- the token error occurred. Check the
- cabling in the fault domain indicated by
- any such isolating soft errors. (A fault
- domain is the section of the ring in which
- the error probably occurred.)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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- Sectra Server for DOS
- Page A-14