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- Rules of Thumb
- NetWare SNA Gateway
-
- Novell has strived to make the NetWare SNA Gateways reliable, efficient and easy to use. To aid you in
- configuring the NetWare SNA Gateway for optimal reliability and performance, we asked our engineers what
- components they would use if they were installing the product. Here's what they said:
-
- PROTOCOLS AND ADAPTERS
- The NetWare SNA Gateway works with the Novell SPX/IPX and the IBM NetBIOS protocols. We recommend
- using SPX/IPX. We also recommend you that you use personal computers and LAN adapters from the
- recommended list included in this document, as each has been tested thoroughly with the gateway.
-
- COAX CONNECTION
- A Coax connection supports up to five host sessions. We recommend any personal computer and appropriate
- LAN adapter from the list in this document. The gateway can operate in nondedicated mode in any workstation
- on the LAN (to reduce cost). However, when used in nondedicated mode, the gateway is at the mercy of the
- workstation user and susceptible to rebooting by using <CTRL-ALT-DEL>.
-
- COAXMUX CONNECTION
- A CoaxMux connection supports 40 host sessions. Use any personal computer and appropriate LAN adapter
- from the list of tested hardware in this document. Use the Novell CoaxMux Adapter for the host connection.
- We recommend that the gateway run in dedicated mode for optimal performance and reliability.
-
- REMOTE CONNECTION
- The NetWare SNA Gateway ELS Remote supports up to 16 host sessions and the NetWare SNA Gateway Remote
- supports up to 128 sessions. For a connection with up to 16 sessions, use a personal computer and appropriate
- LAN adapter from our recommended list. Use the Novell Synchronous Adapter for a PC bus configuration or
- the IBM MPA (Multiprotocol Adapter) for a microchannel bus configuration. This gateway configuration may
- operate in nondedicated mode on any workstation on the LAN (to be more cost effective). However, be aware
- that when used in nondedicated mode the gateway is at the mercy of the workstation user and susceptible to
- rebooting by using <CTRL-ALT-DEL>. We recommend that this gateway be run in dedicated mode.
-
- NOTE: When using a microchannel computer and the IBM MPA, IBM recommends that the maximum line speed
- be no greater than 19.2 Kbps.
-
- For connections to an IBM host with up to 128 sessions, the best performer is a 386 based PC and appropriate
- LAN adapter from our recommended list. Use the Novell Synchronous/V.35 Adapter to operate at speeds up to
- 64 Kbps or the Synchronous Adapter for speeds up to 19.2 Kbps. These configurations can support up to 97
- LAN workstations and 128 host sessions, but for maximum performance configure only for the number of host
- sessions required. With fewer host sessions supported, more memory and processing power is available to
- operate the gateway. For optimal performance and reliability, run this gateway in dedicated mode. When used
- in nondedicated mode, the gateway is at the mercy of the workstation user and susceptible to rebooting by using
- <CTRL-ALT-DEL>.
-
- TOKEN RING HOST CONNECTION
- A Token Ring connection supports up to 128 host sessions. This option allows you to connect directly through
- the IBM host Token Ring interface. The interface can be on a 3174 controller, a 37xx communications
- processor, or a 9370 host processor. This option is a great way to connect workstations on Token Ring networks
- or non-Token Ring LANs directly to the IBM Token Ring Interface for a high performance host connection.
- The best gateway performer for this connection is a 386 based Personal computer and appropriate LAN adapters
- from our recommended list. We recommend an IBM Token Ring Adapter for the host connection. This
- configuration can support up to 97 LAN workstations and 128 host sessions, but for maximum performance
- configure only for the number of host sessions required. With fewer host sessions supported, more memory and
- processing power is available to operate the gateway. For optimal performance and reliability, run this gateway
- configuration in dedicated mode.
-
- Special performance hint: When connecting Token Ring workstations through the Gateway, use two Token Ring
- adapters, one to handle the LAN traffic and one to handle the host interface. This configuration will provide
- optimal performance. Configuration guidelines are as follows:
-
- CONFIG.SYS using IBM LAN Support Program 1.1
-
- One Token Ring Card Configuration:
- DEVICE=DXMC0MOD.SYS 4000XYYYYYYY
-
- Two Token Ring Cards:*
- DEVICE=DXMC0MOD.SYS ,,,4000XYYYYYYY
-
- Note: 4000XYYYYYYY refers to the locally administered ring address of the gateway. Please see the NetWare
- SNA Gateways Administration Guide for details.
-
- * Three commas signifies the use of the IBM 16/4MB Token Ring card. Use two commas for the IBM 4MB
- Token Ring card.
-
- Special configuration hint: The NetWare SNA Gateway can connect a non-Token Ring LAN to a token ring
- connected host by using both a token ring and the appropriate non Token Ring LAN adapter (such as Ethernet)
- in the Gateway machine. The Token Ring board should be configured as the secondary adapter.
-
- AS/400 TOKEN RING CONNECTION
- An AS/400 Token Ring connection supports up to 64 host sessions. This connection provides LAN connectivity
- to an IBM AS/400 host computer directly through the IBM Token Ring interface. The recommendations that
- apply to this connection are described in the previous section, TOKEN RING HOST CONNECTION. In
- addition, the following guidelines will help you in the installation of the gateway.
-
- The NetWare SNA Gateway is supported through the IBM AS/400 3270 Remote Attachment Feature. IBM
- 3278/79 display and IBM 3287 (LU type 1) printer emulation is supported. Chapter 13 of the "IBM AS/400
- Communications User Guide" describes how the capability differs between a 3270 device attached to an AS/400
- and a 5250 device in an AS/400 environment. Some of the primary differences are:
-
- o The display has the appearance of a 5250 terminal with a 3270 status line.
-
- o Certain terminal features, such as the Field Exit key, are not supported. Refer to the NetWare SNA Gateway
- Administration Guide for more information on these terminal features.
-
- o The AS/400 does not support concurrent LU2 (3270 emulation) and LU6.2
- (APPC) sessions through a single gateway.
-
- o The IBM 5250 API is not supported. Thus, applications written to this API will not be supported.
-
- o Additional AS/400 memory may be required to attach the SNA Gateway to the AS/400. Consult your IBM
- Systems Engineer regarding performance and memory requirements.
-
- The following IBM AS/400 applications have been tested with the NetWare SNA Gateway:
- o IBM OfficeVision/400
- o IBM AS/400 Query
-
- HARDWARE AND SOFTWARE RECOMMENDATIONS FOR NETWARE SNA GATEWAY PRODUCTS
- The following is a list of personal computers and LAN adapters that have been tested in the listed environments.
- We recommend them for use with NetWare SNA Gateways as gateway servers. Each configuration has been
- tested extensively with SFT NetWare 2.15 and NetWare 386, the IBM PC Local Area Network Program with the
- listed adapters, and representative user software.
-
- At the time of publication we are unable to recommend the use of the Epson Equity 1+ and 3+ as gateway server
- machines, as each has failed to perform consistently during initial testing. We also do not recommend the use of
- third party vendor's IPX software such as SmartIPX from Madge Networks, Inc.
-
- The SNA Gateway connections tested for a PC bus environment include Coax, Remote, CoaxMux, and Token
- Ring. The connections tested for a microchannel architecture bus environment include Coax, Remote, and Token
- Ring.
-
- STANDARD TEST BED ENVIRONMENTS
-
- Local Area Networks for SPX:
- SFT NetWare v. 2.15
- NetWare 386 v. 3.0/3.1
-
- Local Area Networks for NetBIOS:
- IBM/MS-DOS 3.3/4.0, or COMPAQ DOS 3.31 was used on all nodes when applicable.
- IBM LAN Support Program 1.1
-
- CONFIGURATION NOTES
- The Ethernet IRQ must be changed from 3 to 9 when used with an IBM Multi- protocol Adapter because the
- Multiprotocol Adapter also uses IRQ 3. Use the Change Configurations option of the System Reference
- Diskette. When using the IBM LAN Support Program with NetBIOS, a workstation CANNOT be loaded on top
- of the gateway server.
-
- If you are using a VGA card, you may need to verify your memory addresses.
- 220K of memory must be available on the LAN workstation when using Word 4.0. When you return from a host
- session while using Word 4.0 in Graphics mode, you must press <Alt-F9> to regain the Word 4.0 screen.
-
- In order to restore a Lotus 1-2-3 Graphics Display after hotkeying back from a host session, enter /s to take you
- to a DOS prompt. From the DOS prompt, type EXIT.
-
- USER SOFTWARE TESTED WITH NETWARE 3270 LAN WORKSTATION SOFTWARE
- Lotus 1-2-3 NetWorker 2.01
- Microsoft Word 4.0
- SideKick
- WordPerfect 5.0/Office
- NetWare 3270 Send-Receive program with both IND$FILE and NVL$FILE
- IBM DisplayWrite 4
- XCOM 6.2 File Transfer
-
- RECOMMENDED HARDWARE FOR PERSONAL COMPUTER BUS ENVIRONMENT
- Computers
- ACER 900S1
- ACER 910B1
- AST 386/33
- COMPAQ Systems (all models)
- {Deskpro 386/25: For remote connections use memory address C0 or C4, as RAM uses
- B8-C0.}
- {Deskpro 386s: Memory addresses C0 and C4 cannot be used for gateway configuration.
- Everex Step 386/33
- IBM AT 286
- NCR 386-916
- NEC Powermate 386/25
- Novell 386a
- Novell 386ae
- Toshiba 3200
- Wyse 386/25
- Zenith 386
-
- LAN Adapters
- 3Com EtherLink 3C505
- 3Com EtherLink 3C503
- ACER Ethernet
- IBM Token Ring Adapter
- IBM Token Ring Adapter II
- IBM Token Ring 16/4
- Novell NE-1000
- Novell NE-2000
- Proteon ProNET Model p1344
- RX-Net
- Standard Microsystems Arcnet
-
- 3270 Adapter Boards
- IBM 3270 Coax Adapter
- IBM Token Ring Adapter
- IBM Token Ring Adapter II
- IBM Token Ring 16/4
- Novell Coax Adapter for PC
- Novell CoaxMux Adapter for PC
- Novell Synchronous Adapter for PC
- Novell Synchronous/V.35 Adapter for PC
-
- RECOMMENDED HARDWARE FOR EISA BUS ENVIRONMENT
- Personal COMPAQ SystemPro 386/33 Computers
- COMPAQ 32-bit Dual Speed LAN Token Ring Adapter
-
- RECOMMENDED HARDWARE FOR Microchannel BUS ENVIRONMENT
- Computers
- ALR 486/25
- PS/2 Model 50
- PS/2 Model 50Z
- PS/2 Model 50SX
- PS/2 Model 60
- PS/2 Model 70A21
- PS/2 Model 70E61
- PS/2 Model 80
- LAN Adapters
- 3Com Etherlink/MC3C523
- IBM Token Ring Adapter /A
- IBM Token Ring Adapter II/A
- IBM Token Ring Adapter 16/4/A
- Novell NE/2
-
- DISPLAY ADAPTERS FOR ALL ENVIRONMENTS
- Model 3 & 4 Model 5
- Ahead Systems VGA Enhancer VGA Yes
- Ahead Systems EGA Wizard/Deluxe EGA Yes
- California Computer Systems Supervision No Yes {1}
- Compaq VGA VGA Yes {2}
- Genoa Super EGA Hi Res+ 4850-7 EGA No
- IBM VGA VGA Yes {2}
- Paradise Auto Switch EGA 350 EGA {3} No
- Paradise VGA Plus VGA {3} Yes {2}
- STB Multi RES II EGA No
- Taxan Advanced EGA 570 Plus EGA No
- Techmar Graphics VGA VGA No
- Tseng Labs EVA EGA Yes
- Tseng Labs Ultra Pac No Yes {1}
- Vega VGA Video Seven VGA Yes {2}
-
- {1} Requires loading of M5MONO before loading the workstation
- {2} Tested with a NEC MultiSync 3D monitor. Requires loading M5MULTI prior to loading workstation.
- {3} May give unwanted results if used in conjunction with a mouse driver.
-
-
- MEMORY MANAGEMENT SOLUTIONS
- For the Gateway > RYBS HICard
-
- For the Workstation > Helix Software Connecting/ROOM
- > SoftLogic Carousel/Ole (NetBIOS only)
-
- LAN Adapters Scheduled for Testing
- Novell NE 2/2
-
- Software Scheduled for Testing
- Above Software Above Disk
- GUPTA SQL Gateway/APPC
- LAN Systems LANSpace
- Merrill & Bryan Utility Shuttle
-
-