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- Internet Draft Frame Relay Service MIB July 2, 1993
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- Definitions of Managed Objects
- for Frame Relay Service
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- July 2, 1993
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- Frame Relay Service MIB Working Group
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- Tracy A. Brown (editor)
- Bell Communications Research
- 331 Newman Springs Road
- Red Bank, NJ 07701
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- tacox@mail.bellcore.com
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- 1. Status of this Memo
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- This document is an Internet Draft. Internet Drafts are
- working documents of the Internet Engineering Task Force
- (IETF), its Areas, and its Working Groups. Note that other
- groups may also distribute working documents as Internet
- Drafts.
-
- Internet Drafts are draft documents valid for a maximum of six
- months. Internet Drafts may be updated, replaced, or obsoleted
- by other documents at any time. It is not appropriate to use
- Internet Drafts as reference material or to cite them other
- than as a "working draft" or "work in progress."
-
- Please check the I-D abstract listing contained in each
- Internet Draft directory to learn the current status of this
- or any other Internet Draft.
-
- 2. Abstract
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- This memo defines an extension to the Management Information
- Base (MIB) for use with network management protocols in
- TCP/IP-based internets. In particular, it defines objects for
- managing the Frame Relay Service.
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- This memo does not specify a standard for the Internet
- community.
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- 3. The Network Management Framework
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- The Internet-standard Network Management Framework consists of three
- components. They are:
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- RFC 1155 which defines the SMI, the mechanisms used for describing
- and naming objects for the purpose of management. RFC 1212
- defines a more concise description mechanism, which is wholly
- consistent with the SMI.
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- RFC 1156 which defines MIB-I, the core set of managed objects for
- the Internet suite of protocols. RFC 1213, defines MIB-II, an
- evolution of MIB-I based on implementation experience and new
- operational requirements.
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- RFC 1157 which defines the SNMP, the protocol used for network
- access to managed objects.
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- The Framework permits new objects to be defined for the purpose of
- experimentation and evaluation.
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- 4. Objects
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- Managed objects are accessed via a virtual information store,
- termed the Management Information Base or MIB. Objects in the
- MIB are defined using the subset of Abstract Syntax Notation
- One (ASN.1) [7] defined in the SMI. In particular, each
- object has a name, a syntax, and an encoding. The name is an
- object identifier, an administratively assigned name, which
- specifies an object type. The object type together with an
- object instance serves to uniquely identify a specific
- instantiation of the object. For human convenience, we often
- use a textual string, termed the OBJECT DESCRIPTOR, to also
- refer to the object type.
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- The syntax of an object type defines the abstract data
- structure corresponding to that object type. The ASN.1
- language is used for this purpose. However, the SMI [3]
- purposely restricts the ASN.1 constructs which may be used.
- These restrictions are explicitly made for simplicity.
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- The encoding of an object type is simply how that object type
- is represented using the object type's syntax. Implicitly
- tied to the notion of an object type's syntax and encoding is
- how the object type is represented when being transmitted on
- the network. The SMI specifies the use of the basic encoding
- rules of ASN.1 [8], subject to the additional requirements
- imposed by the SNMP.
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- 4.1. Format of Definitions
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- Section 6 contains contains the specification of all object
- types contained in this MIB module. The object types are
- defined using the conventions defined in the SMI, as amended
- by the extensions specified in RFC1212 [9].
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- 5. Overview
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- These objects are used when the particular media being used to
- managed Frame Relay Service. At present, this applies to
- these values of the ifType variable in the Internet-standard
- MIB:
-
- frame-relay-service (xx)
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- This section provides an overview and background of how to use
- this MIB and other potential MIBs when managing a Frame Relay
- Service.
-
- The following diagram shows the MIB stack that could be
- followed for managing a Frame Relay Service. This is only an
- example and not meant to be inclusive.
- _____________________________________
- | |
- | MIB II |
- |___________________________________|
- | | | |
- | Frame Relay | SIP | RFC1294 |
- | X.25 MIB | Relay | (no applic.|
- | for IW/Encap.| MIB | MIB) |
- | | | |
- |-----------------------------------|
- | |
- | Frame Relay Service MIB |
- |___________________________________|
- | | |
- | Physical Layer MIBs | ATM MIB |
- | e.g., DS1/E1 MIB, |---------|
- | RS232-like MIB | Phy. |
- | | Layer |
- | | MIB |
- |-------------------------|---------|
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- SCOPE OF MIB:
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- The Frame Relay Service MIB will only manage the Frame Relay
- portion of the network and will provide a pointer to the lower
- layer MIB (for example, a physical layer MIB or the ATM MIB)
- for each UNI/NNI logical port.
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- This MIB will NOT be implemented on User Equipment.
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- Frame Relay Service SNMP MIB for Customer Network Management
- (CNM) is an SNMPv1 MIB. It provides read-only information
- that allows end-customers to obtain performance monitoring,
- fault detection, and configuration information about their
- Frame Relay Service. By using this and other related MIBs, a
- customer's NMS can monitor their PVCs and UNI/NNI logical
- ports. Internal aspects of the network (e.g., switching
- elements, line cards, and network routing tables) are outside
- the scope of this MIB. The Customer's NMS will be able to
- access the SNMP proxy-agent within the Frame Relay network
- using SNMP over UDP over IP with IP encapsulated in Frame
- Relay according to RFC1294/ANSI T1.617 Annex F. The customer
- thus has a PVC to the SNMP proxy-agent. Alternate access
- mechanisms are possible. The initial implementation of the
- MIB is based on SNMPv1. The service capabilities include
- retrieving information and receiving TRAPs. It is beyond the
- scope of this MIB to define managed objects to monitor the
- physical layer. Existing physical layer MIBs (e.g., DS1 MIB)
- and MIB II will be used as possible. The Frame Relay Service
- SNMP MIB for CNM will not contain any managed objects to
- monitor the physical layer. However, the Frame Relay Service
- SNMP MIB for CNM will contain a pointer to the appropriate
- lower layer MIB for each UNI/NNI logical port. To the maximum
- extent as possible, PVCs and SVCs will be treated equally in
- the MIB.
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- The Frame Relay Service MIB will only manage the Frame Relay
- portion of the network and will provide a pointer to the lower
- layer MIB (for example, a physical layer MIB or the ATM MIB)
- for each UNI/NNI logical port.
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- This MIB is only used to manage a single Frame Relay Service
- offering from one network. If the customer's PVCs traverse
- multiple networks, then the customer needs to poll multiple
- network agents to retrieve their end-to-end view of their
- service. This MIB will be implemented on a proxy-agent
- architecture within each Frame Relay Service network. See
- Figure 1 and the Service Management Architecture [11].
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- 5.1. Apply MIB II to a Frame Relay Service
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- Use the System Group to apply to the SNMP proxy-agent, since
- the proxy-agent may be monitoring many Frame Relay devices in
- one network. System Group applies to only one system. This
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- group is not instantiated.
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- sysDescr: ASCII string describing the SNMP proxy-agent.
- Can be up to 255 characters long. This field is
- generally used to indicate the network providers
- identification and type of service offered.
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- sysObjectID: Unique OBJECT IDENTIFIER (OID) for the SNMP proxy-agent.
-
- sysUpTime: Clock in the SNMP proxy-agent; TimeTicks
- in 1/100s of a second. Elapsed type since
- the proxy-agent came on line.
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- sysContact: Contact for the SNMP proxy-agent.
- ASCII string of up to 255 characters.
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- sysName: Domain name of the SNMP proxy-agent, for example,
- acme.com
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- sysLocation: Location of the SNMP proxy-agent.
- ASCII string of up to 255 characters.
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- sysServices: Services of the managed device. The value "2"
- which implies that
- the Frame Relay network is providing
- a subnetwork level service is recommended.
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- This specifies how the Interfaces Group defined in MIB II
- shall be used for the management of Frame Relay based
- interfaces, and in conjunction with the Frame Relay Service
- MIB module. This memo assumes the interpretation of the
- Interfaces group to be in accordance with [10]: "The
- interfaces table (ifTable) contains information on the managed
- resource's interfaces. Each sub- layer below the internetwork
- layer of a network interface is considered an interface."
- Thus, the ifTable allows the following Frame Relay-based
- interfaces to be represented as table entries:
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- - Frame Relay interfaces in the Frame Relay equipment (e.g.,
- switches, routers or networks) with Frame Relay interfaces.
- This level is concerned with generic frame counts and
- not with individual virtual connections.
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- In accordance with the guidelines of ifTable, frame counts per
- virtual connection are not covered by ifTable, and is
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- considered interface specific and covered in the Frame Relay
- Service MIB module. In order to interrelate the ifEntries
- properly, the Interfaces Stack Group defined in [10] shall be
- supported.
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- Some specific interpretations of ifTable for Frame Relay
- follow.
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- Object Use for the generic Frame Relay layer
- ====== =========================================
- ifIndex Each Frame Relay port is represented by an ifEntry.
- ifDescr Description of the Frame Relay interface.
- ASCII string describing the UNI/NNI access channel. Can be up to
- 255 characters long.
- ifType The value to be allocated for Frame Relay Service is xx.
- ifMtu Set to maximum frame size in octets for this frame relay port.
- ifSpeed Peak bandwidth in bits per second available for use.
- This could be the speed of the access channel and not
- the access rate. Actual user information transfer rate (i.e., access rate of the
- UNI or NNI access channel in bits per second (this is not the clocking
- speed). For example, it is 1,536,000 bits per second for a
- DS1-based UNI/NNI access
- channel and 1,984,000 bits per second for an E1-based UNI/NNI access channel.
- ifPhysAddress The primary address for this interface/port
- assigned by the Frame Relay interface provider.
- An octet string of zero length if no address is
- used for this interface.
- ifAdminStatus Supports read-only access (initially).
- The desired administrative status of the frame relay port.
- ifOperStatus The current operational status of the Frame Relay
- UNI or NNI access channel.
- ifLastChange The elapsed time since the last re-initialization of the port.
- The value of sysUpTime at the time the interface entered
- its current operational state. If the current state
- was entered prior to
- the last re-initialization of the local network
- management subsystem, then
- this object contains a zero value.
- ifInOctets The number of received octets.
- ifOutOctets The number of transmitted octets.
- ifInUcastPkts The number of received unerrored frames.
- ifInNUcastPkts Set to 0 since the generic Frame Relay level is
- point-to-point.
- ifOutUcastpkts The number of frames received for transmission.
- [Ed. note: Frame Relay switches provide counts of
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- transmitted frames and not of frames received
- for transmission as required by the ifTable.
- This is because the latter counter is
- switch architecture dependent.
- Comments are requested on this issue.]
- ifOutNUcastpkts Set to 0 since the generic Frame Relay level is
- point-to-point.
- ifInErrors The number of received frames that are
- discarded, because of an error. Possible errors can be
- the following: the frame relay frames
- were too long, had CRC errors, or were HDLC
- aborts.
- ifInUnknownProtos The number of received frames discarded
- due to header content errors which include
- unrecognized DLCI values or incorrect
- header values.
- ifInDiscards [to be specified]
- ifOutErrors [to be specified]
- ifOutDiscards [to be specified]
- ifOutQLen [to be specified]
- ifSpecific Set to the OBJECT IDENTIFIER { experimental 45 }.
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- Using the SNMP Group of MIB II is an implementation choice.
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- 5.2. Frame Relay Service MIB Terminology
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- Access Channel - An access channel generically refers to the
- DS1/E1 or DS3/E3-based UNI access channel or NNI access
- channel across which frame relay data transits. An access
- channel is the access pathway for a single stream of user
- data.
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- Within a given T1 line, an access channel can denote any one
- of the following:
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- o Unchannelized T1 - the entire T1 line is considered an access
- channel. Each access channel is comprised of 24 T1 time slots.
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- o Channelized T1 - an access channel is any one of 24 channels.
- Each access channel is comprised of a single T1 time slot.
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- o Fractional T1 - an access channel is a grouping of N T1 time
- slots (NX56/64 Kbps, where N = 1-23 T1 Time slots per FT1 Access
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- Channel) that may be assigned in consecutive or non-consecutive
- order.
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- Within a given E1 line, a channel can denote any one of the following:
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- o Unchannelized E1 - the entire E1 line is considered a single
- access channel. Each access channel is comprised of 31 E1 time
- slots.
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- o Channelized E1 - an access channel is any one of 31 channels.
- Each access channel is comprised of a single E1 time slot.
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- o Fractional E1 - an access channel is a grouping of N E1 time
- slots (NX64 Kbps, where N = 1-30 E1 time slots per FE1 access
- channel) that may be assigned in consecutive or non-consecutive
- order.
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- Within a given unformatted line, the entire unformatted line
- is considered an access channel. Examples include RS-232,
- V.35, V.36 and X.21 (non- switched).
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- Access Rate - The data rate of the access channel. The speed
- of the user access channel determines how rapidly the end user
- can inject data into the network.
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- Bc - The Committed Burst Size (Bc) is the maximum amount of
- subscriber data that the network agrees to transfer, under
- normal conditions, during a time interval Tc. Bc is offered in
- terms of bits.
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- Be - The Excess Burst Size (Be) is the maximum amount of
- uncommitted data in excess of Bc that the network will attempt
- to deliver during a time interval Tc. Be is offered in terms
- of bits.
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- CIR - The Committed Information Rate (CIR) is the subscriber
- data throughput that the network commits to supporting under
- normal network conditions. CIR is averaged over the Committed
- Rate Measurement Interval (Tc). CIR is offered in terms of
- bits per second.
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- Permanent Virtual Connection (PVC) - A virtual connection that
- has its endpoints and bearer capabilities defined at
- subscription time.
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- Time slot (E1) - An octet within the 256-bit information field
- in each E1 frame is defined as a time slot. Time slots are
- position sensitive within the 256-bit information field.
- Fractional E1 service is provided in contiguous or non-
- contiguous time slot increments.
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- Time slot (T1) - An octet within the 192-bit information field
- in each T1 frame is defined as a time slot. Time slots are
- position sensitive within the 192-bit information field.
- Fractional T1 service is provided in contiguous or non-
- contiguous time slot increments.
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- +-------------------------------------+
- | Customer Network Management Station |
- | (SNMP based) |
- +-------------------------------------+
- /| /| /|
- | | |
- UNI / NNI / NNI / UNI
- | +-----------+ | +-----------+ | +-----------+ |
- | | | | | | | | | |
- Originating | | | | | | | | | |Terminating
- +--------+ | | Network I | | | Network J | | | Network K | | +--------+
- | | | | | | | | | | | | | |
- | User A | | | | | | | | | | | | |
- | |----| |---| |---| |----| User B |
- | | | | | | | | | | | | | |
- | ////////////////////////////////////////////////////////////// |
- | | | | | | | | | | | | | |
- +--------+ | +-----------+ | +-----------+ | +-----------+ | +--------+
- | | | |
- | | | |
- | PVC Segment 1 | PVC Segment 2 | PVC Segment 3 |
- |<------------->|<------------->|<------------->|
- | |
- | Multi-network PVC |
- |<--------------------------------------------->|
- | NNI = Network-to Network Interface |
- UNI = User-to-Network Interface
- Figure 1
- Multi-network PVC
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- 6. Object Definitions
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- RFCxxxx-MIB DEFINITIONS ::= BEGIN
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- IMPORTS
- experimental, Counter, TimeTicks
- FROM RFC1155-SMI
- DisplayString
- FROM RFC1213-MIB
- OBJECT-TYPE
- FROM RFC-1212
- TRAP-TYPE
- FROM RFC-1215;
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- -- This MIB module uses the extended OBJECT-TYPE macro as
- -- defined in RFC 1212.
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- frnetserv OBJECT IDENTIFIER ::= { experimental 45 }
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- -- The Frame Relay Service Logical Port Group
-
- -- Implementation of this group is mandatory for all systems
- -- that perform Frame Relay Services.
-
- -- This group has two tables:
-
- -- Frame Relay Logical Port Information
- -- Frame Relay Management VC Signaling Parameters and Errors
-
- -- the Frame Relay Logical Port Information
-
- frLportTable OBJECT-TYPE
- SYNTAX SEQUENCE OF FrLportEntry
- ACCESS not-accessible
- STATUS mandatory
- DESCRIPTION
- "The Frame Relay Logical Port Information table."
- ::= { frnetserv 1 }
-
- frLportEntry OBJECT-TYPE
- SYNTAX FrLportEntry
- ACCESS not-accessible
- STATUS mandatory
- DESCRIPTION
- "An entry in the Frame Relay Logical Port
- Information table."
- INDEX { frLportIfIndex }
- ::= { frLportTable 1 }
-
- FrLportEntry ::=
- SEQUENCE {
- frLportIfIndex
- INTEGER,
- frLportNumPlan
- INTEGER,
- frLportNetAddress
- OCTET STRING,
- frLportContact
- DisplayString,
- frLportLocation
- DisplayString,
- frLportIfType
- INTEGER,
- frLportAddrDLCILen
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- INTEGER,
- frLportVCSigProtocol
- INTEGER,
- frLportVCSigPointer
- OBJECT IDENTIFIER
- }
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- frLportIfIndex OBJECT-TYPE
- SYNTAX INTEGER (1..65535)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to MIB II's
- ifIndex value for this UNI/NNI logical port."
- ::= { frLportEntry 1 }
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- frLportNumPlan OBJECT-TYPE
- SYNTAX INTEGER {
- e164(1),
- x121(2),
- private(3),
- none(4)
- }
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the network
- address numbering plan for this UNI/NNI logical
- port. The value none implies that there is no
- frLportNetAddress. The SNMP proxy-agent will
- return an octet string of zero length for
- frLportNetAddress."
- ::= { frLportEntry 2 }
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- frLportNetAddress OBJECT-TYPE
- SYNTAX OCTET STRING (SIZE(0..20))
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the UNI/NNI
- logical port. It is typically a global address
- for the UNI/NNI logical port that is assigned by
- the service provider."
- ::= { frLportEntry 3 }
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- frLportContact OBJECT-TYPE
- SYNTAX DisplayString (SIZE(0..255))
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the network
- contact for this UNI/NNI logical port."
- ::= { frLportEntry 4 }
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- frLportLocation OBJECT-TYPE
- SYNTAX DisplayString (SIZE(0..255))
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the network
- location for this UNI/NNI logical port."
- ::= { frLportEntry 5 }
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- frLportIfType OBJECT-TYPE
- SYNTAX INTEGER {
- uni(1),
- nni(2)
- }
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the type of
- network interface for this logical port."
- ::= { frLportEntry 6 }
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- frLportAddrDLCILen OBJECT-TYPE
- SYNTAX INTEGER {
- twoOctets10Bits(1),
- threeOctets10Bits(2),
- threeOctets16Bits(3),
- fourOctets17Bits(4),
- fourOctets23Bits(5)
- }
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Q.922
- Address field length and DLCI length for this
- UNI/NNI logical port."
- ::= { frLportEntry 7 }
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- frLportVCSigProtocol OBJECT-TYPE
- SYNTAX INTEGER {
- none(1),
- lmi(2),
- ansiT1617D(3),
- ansiT1617B(4),
- ccittQ933A(5)
- }
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Local
- In-Channel Signaling Protocol that is used for
- this frame relay UNI/NNI logical port."
- ::= { frLportEntry 8 }
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- frLportVCSigPointer OBJECT-TYPE
- SYNTAX OBJECT IDENTIFIER
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is used as a pointer to
- the table that contains the Local In-Channel
- Signaling Protocol parameters and errors for this
- UNI/NNI logical port. See the Frame Relay
- Management VC Signaling Parameters and Errors
- Group."
- ::= { frLportEntry 9 }
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- -- the Frame Relay Management VC Signaling Parameters and Errors
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- frMgtVCSigTable OBJECT-TYPE
- SYNTAX SEQUENCE OF FrMgtVCSigEntry
- ACCESS not-accessible
- STATUS mandatory
- DESCRIPTION
- "The Frame Relay Management VC Signaling
- Parameters and Errors table."
- ::= { frnetserv 2 }
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- frMgtVCSigEntry OBJECT-TYPE
- SYNTAX FrMgtVCSigEntry
- ACCESS not-accessible
- STATUS mandatory
- DESCRIPTION
- "An entry in the Frame Relay Management VC
- Signaling Parameters Errors table."
- INDEX { frMgtVCSigIfIndex }
- ::= { frMgtVCSigTable 1 }
-
- FrMgtVCSigEntry ::=
- SEQUENCE {
- frMgtVCSigIfIndex
- INTEGER,
- frMgtVCSigProced
- INTEGER,
- frMgtVCSigUserN391
- INTEGER,
- frMgtVCSigUserN392
- INTEGER,
- frMgtVCSigUserN393
- INTEGER,
- frMgtVCSigUserT391
- INTEGER,
- frMgtVCSigNetN392
- INTEGER,
- frMgtVCSigNetN393
- INTEGER,
- frMgtVCSigNetT392
- INTEGER,
- frMgtVCSigNetnN4
- INTEGER,
- frMgtVCSigNetnT3
- INTEGER,
-
-
-
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-
-
- frMgtVCSigLinkRelRespErrors
- Counter,
- frMgtVCSigProtRespErrors
- Counter,
- frMgtVCSigInactiveResps
- Counter,
- frMgtVCSigLinkRelInitErrors
- Counter,
- frMgtVCSigProtInitErrors
- Counter,
- frMgtVCSigInactiveInits
- Counter
- }
-
- frMgtVCSigIfIndex OBJECT-TYPE
- SYNTAX INTEGER (1..65535)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to MIB II's
- ifIndex value for this UNI/NNI logical port."
- ::= { frMgtVCSigEntry 1 }
-
- frMgtVCSigProced OBJECT-TYPE
- SYNTAX INTEGER {
- u2nuser(1),
- u2nnet(2),
- bidirect(3)
- }
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Local
- In-Channel Signaling Procedure that is used for
- this UNI/NNI logical port. The UNI/NNI logical
- port can be performing user-to-network user-side
- procedures, user-to-network network-side
- procedures, or bidirectional procedures."
- ::= { frMgtVCSigEntry 2 }
-
- frMgtVCSigUserN391 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
-
-
-
-
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-
- "The value of this object identifies the User-side
- N391 full status polling cycle value (nN1 for LMI)
- for this UNI/NNI logical port. If the logical
- port is not performing user-side procedures, then
- this value is equal to zero. This applies to Q.933
- Annex A, T1.617 Annex D and LMI."
- DEFVAL { 6 }
- ::= { frMgtVCSigEntry 3 }
-
- frMgtVCSigUserN392 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the User-side
- N392 error threshold value (nN2 for LMI) for this
- UNI/NNI logical port. If the logical port is not
- performing user-side procedures, then this value
- is equal to zero. This applies to Q.933 Annex A,
- T1.617 Annex D and LMI."
- DEFVAL { 3 }
- ::= { frMgtVCSigEntry 4 }
-
- frMgtVCSigUserN393 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the User-side
- N393 monitored events count value (nN3 for LMI)
- for this UNI/NNI logical port. If the logical
- port is not performing user-side procedures, then
- this value is equal to zero. This applies to Q.933
- Annex A, T1.617 Annex D and LMI."
- DEFVAL { 4 }
- ::= { frMgtVCSigEntry 5 }
-
- frMgtVCSigUserT391 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the User-side
- T391 link integrity verification polling timer
- value (nT1 for LMI) for this UNI/NNI logical port.
-
-
-
-
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-
- If the logical port is not performing user-side
- procedures, then this value is equal to zero. This
- applies to Q.933 Annex A, T1.617 Annex D and LMI."
- DEFVAL { 10 }
- ::= { frMgtVCSigEntry 6 }
-
- frMgtVCSigNetN392 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Network-
- side N392 error threshold value (nN3 for LMI) for
- this UNI/NNI logical port. If the logical port is
- not performing network-side procedures, then this
- value is equal to zero. This applies to Q.933
- Annex A, T1.617 Annex D and LMI."
- DEFVAL { 3 }
- ::= { frMgtVCSigEntry 7 }
-
- frMgtVCSigNetN393 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Network-
- side N393 monitored events count value (nN3 for
- LMI) for this UNI/NNI logical port. If the
- logical port is not performing network-side
- procedures, then this value is equal to zero. This
- applies to Q.933 Annex A, T1.617 Annex D and LMI."
- DEFVAL { 4 }
- ::= { frMgtVCSigEntry 8 }
-
- frMgtVCSigNetT392 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Network-
- side T392 polling verification timer value (nT2
- for LMI) for this UNI/NNI logical port. If the
- logical port is not performing network-side
- procedures, then this value is equal to zero. This
- applies to Q.933 Annex A, T1.617 Annex D and LMI."
-
-
-
-
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- DEFVAL { 15 }
- ::= { frMgtVCSigEntry 9 }
-
- frMgtVCSigNetnN4 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Network-
- side nN4 maximum status enquires received value
- for this UNI/NNI logical port. If the logical
- port is not performing network-side procedures or
- is not performing lmi procedures, then this value
- is equal to zero. This applies only to LMI."
- ::= { frMgtVCSigEntry 10 }
-
- frMgtVCSigNetnT3 OBJECT-TYPE
- SYNTAX INTEGER (0..20)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the Network-
- side nT3 timer (for nN4 status enquires received)
- value for this UNI/NNI logical port. If the
- logical port is not performing network-side
- procedures or is not performing lmi procedures,
- then this value is equal to zero. This applies
- only to LMI."
- ::= { frMgtVCSigEntry 11 }
-
- frMgtVCSigLinkRelRespErrors OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of local in-channel signaling link
- reliability errors (responding to polls) for this
- UNI/NNI logical port."
- ::= { frMgtVCSigEntry 12 }
-
- frMgtVCSigProtRespErrors OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
-
-
-
-
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-
- "The number of local in-channel signaling protocol
- errors (responding to polls) for this UNI/NNI
- logical port."
- ::= { frMgtVCSigEntry 13 }
-
- frMgtVCSigInactiveResps OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of times the channel declared inactive
- (responding to polls) (i.e., N392 errors in N393
- events) for this UNI/NNI logical port."
- ::= { frMgtVCSigEntry 14 }
-
- frMgtVCSigLinkRelInitErrors OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of local in-channel signaling link
- reliability errors (initiating polls) for this
- UNI/NNI logical port."
- ::= { frMgtVCSigEntry 15 }
-
- frMgtVCSigProtInitErrors OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of local in-channel signaling protocol
- errors (initiating polls) for this UNI/NNI logical
- port."
- ::= { frMgtVCSigEntry 16 }
-
- frMgtVCSigInactiveInits OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of times the channel declared inactive
- (initiating polls) (i.e., N392 errors in N393
- events) for this UNI/NNI logical port."
- ::= { frMgtVCSigEntry 17 }
-
-
-
-
-
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-
-
- -- The Frame Relay PVC Group
-
- -- Implementation of this group is mandatory for all systems
- -- that perform Frame Relay Services.
-
- -- the Frame Relay PVC Information
-
- frPVCTable OBJECT-TYPE
- SYNTAX SEQUENCE OF FrPVCEntry
- ACCESS not-accessible
- STATUS mandatory
- DESCRIPTION
- "The Frame Relay PVC table."
- ::= { frnetserv 3 }
-
- frPVCEntry OBJECT-TYPE
- SYNTAX FrPVCEntry
- ACCESS not-accessible
- STATUS mandatory
- DESCRIPTION
- "An entry in the Frame Relay PVC table."
- INDEX { frPVCLocIfIndex, frPVCLocDLCIIndex }
- ::= { frPVCTable 1 }
-
- FrPVCEntry ::=
- SEQUENCE {
- frPVCLocIfIndex
- INTEGER,
- frPVCLocDLCIIndex
- INTEGER,
- frPVCRemoteLport
- INTEGER,
- frPVCRemoteDLCI
- INTEGER,
- frPVCAdminStatus
- INTEGER,
- frPVCOperStatus
- INTEGER,
- frPVCLastChange
- TimeTicks,
- frPVCMaxFrameSize
- INTEGER,
- frPVCRcvdSigStatus
- INTEGER,
- frPVCUnitSize
-
-
-
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-
-
- INTEGER,
- frPVCInFrames
- Counter,
- frPVCOutFrames
- Counter,
- frPVCInDEFrames
- Counter,
- frPVCOutDEFrames
- Counter,
- frPVCInDiscards
- Counter,
- frPVCInUnits
- Counter,
- frPVCOutUnits
- Counter,
- frPVCBc
- INTEGER,
- frPVCBe
- INTEGER,
- frPVCCIR
- INTEGER,
- frPVCGenericPointer
- OBJECT IDENTIFIER
- }
-
- frPVCLocIfIndex OBJECT-TYPE
- SYNTAX INTEGER (1..65535)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to MIB II's
- ifIndex value for this local UNI/NNI logical
- port."
- ::= { frPVCEntry 1 }
-
- frPVCLocDLCIIndex OBJECT-TYPE
- SYNTAX INTEGER (1..8388608)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to the DLCI
- value for this local UNI/NNI logical port PVC."
- ::= { frPVCEntry 2 }
-
- frPVCRemoteLport OBJECT-TYPE
-
-
-
-
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-
-
- SYNTAX INTEGER (0..65535)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to MIB II's
- ifIndex value for the remote UNI/NNI logical port.
- If the value is equal to zero, then this remote
- logical port is not a frame relay UNI/NNI logical
- port."
- ::= { frPVCEntry 3 }
-
- frPVCRemoteDLCI OBJECT-TYPE
- SYNTAX INTEGER (0..8388608)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to the DLCI
- value for the remote UNI/NNI logical port PVC. If
- the value is equal to zero, then this is not a
- frame relay PVC."
- ::= { frPVCEntry 4 }
-
- frPVCAdminStatus OBJECT-TYPE
- SYNTAX INTEGER {
- deleted(1),
- active(2),
- inactive(3),
- testing(4)
- }
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the desired
- administrative status of this UNI/NNI logical port
- PVC. This state is set by an administrative
- entity."
- ::= { frPVCEntry 5 }
-
- frPVCOperStatus OBJECT-TYPE
- SYNTAX INTEGER {
- deleted(1),
- active(2),
- inactive(3),
- testing(4)
- }
-
-
-
-
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-
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the current
- operational status of this UNI/NNI logical port
- PVC."
- ::= { frPVCEntry 6 }
-
- frPVCLastChange OBJECT-TYPE
- SYNTAX TimeTicks
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of sysUpTime at the time the PVC
- entered its current operational state. If the
- current state was entered prior to the last re-
- initialization of the proxy-agent, then this
- object contains a zero value."
- ::= { frPVCEntry 7 }
-
- frPVCMaxFrameSize OBJECT-TYPE
- SYNTAX INTEGER (1..65535)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is the size in octets of
- the largest frame relay information field for this
- PVC in the ingress direction (into the frame relay
- network from the local logical port's point of
- view). Must be less than or equal to the
- corresponding ifMtu for this frame relay UNI/NNI
- logical port."
- ::= { frPVCEntry 8 }
-
- frPVCRcvdSigStatus OBJECT-TYPE
- SYNTAX INTEGER {
- deleted(1),
- active(2),
- inactive(3),
- none(4)
- }
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the PVC
-
-
-
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-
- status received via the local in-channel signaling
- procedures for this UNI/NNI logical port PVC.
- This object is only is only pertinent for
- bidirectional procedures and user-to-network user
- side procedures. For user-to-network network side
- procedures, the value of this object should be
- none."
- ::= { frPVCEntry 9 }
-
- frPVCUnitSize OBJECT-TYPE
- SYNTAX INTEGER (1..1024)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object identifies the the unit
- size for this UNI/NNI logical port PVC. The unit
- size is equal to a block of octets. This object
- is used to indicate that for this UNI/NNI logical
- port PVC the Frame Relay network service can only
- resolve the frPVCInUnits and frPVCOutUnits to this
- value of frPVCUnitSize. The default value is 1."
- DEFVAL { 1 }
- ::= { frPVCEntry 10 }
-
- frPVCInFrames OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of frames received by the network
- (ingress) for this UNI/NNI logical port PVC. This
- includes any frames discarded by the network due
- to submitting more than Bc + Be data or due to any
- network congestion recovery procedures."
- ::= { frPVCEntry 11 }
-
- frPVCOutFrames OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of frames sent by the network (egress)
- regardless of whether they are Bc or Be frames for
- this UNI/NNI logical port PVC."
- ::= { frPVCEntry 12 }
-
-
-
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- frPVCInDEFrames OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of frames received by the network
- (ingress) for this UNI/NNI logical port PVC which
- were treated as excess traffic. Frames which are
- sent to the network with DE set to zero are
- treated as excess when more than Bc bits are
- submitted to the network during the Committed Rate
- Measurement Interval (Tc). Excess traffic may or
- may not be discarded at the ingress if more than
- Bc + Be bits are submitted to the network during
- Tc. Traffic discarded at the ingress is not
- recorded in frPVCInDeFrames. Frames which are
- sent to the network with DE set to one are also
- treated as excess."
- ::= { frPVCEntry 13 }
-
- frPVCOutDEFrames OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of frames sent by the network (egress)
- that were observed to have the DE bit set to one
- for this UNI/NNI logical port PVC."
- ::= { frPVCEntry 14 }
-
- frPVCInDiscards OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of frames received by the the network
- (ingress) that were discarded due to traffic
- enforcement for this UNI/NNI logical port PVC."
- ::= { frPVCEntry 15 }
-
- frPVCInUnits OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
-
-
-
-
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- Internet Draft Frame Relay Service MIB July 2, 1993
-
-
- "The number of units received by the network
- (ingress) for this UNI/NNI logical port PVC. If
- the frPVCUnitSize is equal to one, then this
- object counts octets. This counter should only
- count units from the beginning of the frame relay
- header field to the end of user data."
- ::= { frPVCEntry 16 }
-
- frPVCOutUnits OBJECT-TYPE
- SYNTAX Counter
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The number of units sent by the network (egress)
- for this UNI/NNI logical port PVC. If the
- frPVCUnitSize is equal to one, then this object
- counts octets. This counter should only count
- units from the beginning of the frame relay header
- field to the end of user data."
- ::= { frPVCEntry 17 }
-
- frPVCBc OBJECT-TYPE
- SYNTAX INTEGER (0..4294967295)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to the
- committed burst size (Bc) parameter (measured in
- bits) in the ingress direction for this UNI/NNI
- logical port PVC."
- ::= { frPVCEntry 18 }
-
- frPVCBe OBJECT-TYPE
- SYNTAX INTEGER (0..4294967295)
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to the excess
- burst size (Be) parameter (measured in bits) in
- the ingress direction for this UNI/NNI logical
- port PVC."
- ::= { frPVCEntry 19 }
-
- frPVCCIR OBJECT-TYPE
- SYNTAX INTEGER (0..4294967295)
-
-
-
-
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-
-
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is equal to the
- committed information rate (CIR) parameter
- (measured in bits per second) in the ingress
- direction for this UNI/NNI logical port PVC."
- ::= { frPVCEntry 20 }
-
- frPVCGenericPointer OBJECT-TYPE
- SYNTAX OBJECT IDENTIFIER
- ACCESS read-only
- STATUS mandatory
- DESCRIPTION
- "The value of this object is used as a pointer to
- the Generic PVC Table. This OID should contain the
- appropriate ifIndex and vcIndex values for the
- Generic PVC Table."
- ::= { frPVCEntry 21 }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
- -- Frame Relay Network Service TRAPS
-
- frPVCStatusChange TRAP-TYPE
- ENTERPRISE frnetserv
- VARIABLES { frPVCLocIfIndex, frPVCLocDLCIIndex, frPVCOperStatus,
- frPVCRcvdSigStatus }
- DESCRIPTION
- "This trap indicates that the indicated PVC has
- changed state."
- ::= 1
- END
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
- 7. Acknowledgments
-
- This document was produced by the Frame Relay Service MIB
- Working Groups:
-
- Special thanks goes to the Frame Relay Forum Technical
- Committee for its participation in writing this MIB.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
- 8. References
-
- [1] Cerf, V., "IAB Recommendations for the Development of Internet
- Network Management Standards", RFC 1052, NRI, April 1988.
-
- [2] Cerf, V., "Report of the Second Ad Hoc Network Management
- Review Group", RFC 1109, NRI, August 1989.
-
- [3] Rose M., and K. McCloghrie, "Structure and Identification of
- Management Information for TCP/IP-based internets", RFC 1155,
- Performance Systems International, Hughes LAN Systems, May 1990.
-
- [4] McCloghrie K., and M. Rose, "Management Information Base for
- Network Management of TCP/IP-based internets", RFC 1156, Hughes
- LAN Systems, Performance Systems International, May 1990.
-
- [5] Case, J., Fedor, M., Schoffstall, M., and J. Davin, "Simple
- Network Management Protocol", RFC 1157, SNMP Research,
- Performance Systems International, Performance Systems
- International, MIT Laboratory for Computer Science, May 1990.
-
- [6] McCloghrie K., and M. Rose, Editors, "Management Information
- Base for Network Management of TCP/IP-based internets", RFC 1213,
- Performance Systems International, March 1991.
-
- [7] Information processing systems - Open Systems Interconnection -
- Specification of Abstract Syntax Notation One (ASN.1),
- International Organization for Standardization, International
- Standard 8824, December 1987.
-
- [8] Information processing systems - Open Systems Interconnection -
- Specification of Basic Encoding Rules for Abstract Notation One
- (ASN.1), International Organization for Standardization,
- International Standard 8825, December 1987.
-
- [9] Rose, M., and K. McCloghrie, Editors, "Concise MIB Definitions",
- RFC 1212, Performance Systems International, Hughes LAN Systems,
- March 1991.
-
- [10] K. McCloghrie and F. Kastenholz, Evolution of Interfaces
- Group of MIB-II, Internet Draft, May, 1993.
-
- [11] K. R. Rodemann, Service Management Architecture for Virtual Connection Services,
- Internet-Draft, July 1993.
-
-
-
-
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- T. Brown (editor) Expires 1/2/94 [Page 33]
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- Internet Draft Frame Relay Service MIB July 2, 1993
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- 9. Security Considerations
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- Security issues are not discussed in this memo.
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- 10. Authors' Addresses
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- Tracy A. Brown
- Bell Communications Research
- 331 Newman Springs Road
- P.O. Box 7020
- Red Bank, NJ 07701-7020
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- Phone: (908) 758-2107
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- EMail: tacox@mail.bellcore.com
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- T. Brown (editor) Expires 1/2/94 [Page 34]
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- Internet Draft Frame Relay Service MIB July 2, 1993
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- Table of Contents
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- 1 Status of this Memo ................................... 1
- 2 Abstract .............................................. 1
- 3 The Network Management Framework ...................... 2
- 4 Objects ............................................... 3
- 4.1 Format of Definitions ............................... 3
- 5 Overview .............................................. 4
- 5.1 Apply MIB II to a Frame Relay Service ............... 5
- 5.2 Frame Relay Service MIB Terminology ................. 8
- 6 Object Definitions .................................... 12
- 6.1 The Frame Relay Service Logical Port Group .......... 13
- 6.1.1 The Frame Relay Logical Port Information .......... 13
- 6.1.2 The Frame Relay Management VC Signaling Parame-
- ters and Errors .................................... 17
- 6.2 Frame Relay PVC Group ............................... 23
- 7 Acknowledgments ....................................... 32
- 8 References ............................................ 33
- 9 Security Considerations ............................... 34
- 10 Authors' Addresses ................................... 34
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- T. Brown (editor) Expires 1/2/94 [Page 35]
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