All MIBs › RC-BFD-TMP-MIB
Organization: Nortel
Last Updated: 2008-02-26
Category: Nortel Enterprise Data, Protection and Redundancy
Description:
Provides temporary BFD session management objects for Nortel Ethernet Routing Switch platforms pending IETF standardization.
Imported Objects
From INET-ADDRESS-MIB
| InetAddress | |
| InetAddressType | |
| InetPortNumber |
From RAPID-CITY
| rcBfd | OBJECT-IDENTITY |
From SNMPv2-SMI
| Counter32 | |
| Counter64 | |
| MODULE-IDENTITY | |
| NOTIFICATION-TYPE | |
| OBJECT-TYPE | |
| Unsigned32 |
From SNMPv2-TC
| RowStatus | |
| StorageType | |
| TEXTUAL-CONVENTION | |
| TimeStamp | |
| TruthValue |
What Is RC-BFD-TMP-MIB?
RC-BFD-TMP-MIB is a Nortel Networks (Rapid-City/Ethernet Routing Switch) enterprise MIB that provides an early, pre-standard implementation of Bidirectional Forwarding Detection (BFD) session management, based on an IETF BFD MIB draft (draft-ietf-bfd-mib-03) with vendor-specific object names/OIDs. It exposes BFD session state, discriminators, diagnostics, and administrative status through a session table, along with global admin-status and version scalars. This MIB is fundamentally a fault-detection/availability monitoring tool: it lets operators track whether fast-failure-detection sessions between routers are up, down, or flapping, which is critical for detecting link or neighbor failures far faster than routing protocol timers alone. It is explicitly a temporary, vendor-named duplicate of the IETF's draft BFD MIB, intended to be replaced once that standard matured. It is deployed on Nortel Ethernet Routing Switch platforms running dynamic routing protocols (e.g., OSPF, IS-IS, BGP) that rely on BFD for sub-second failure detection between adjacent routers. Engineers can download the RC-BFD-TMP-MIB file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in RC-BFD-TMP-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.
What Can Be Monitored
- BFD session state
- BFD session diagnostics
- local/remote discriminators
- BFD administrative status
Supported Devices
- Nortel Ethernet Routing Switch
Monitoring Examples
An engineer would poll rcBfdTmpSessTable (rcBfdTmpSessEntry) for rcBfdTmpSessState and rcBfdTmpSessDiag on each session to confirm BFD sessions remain in the 'Up' state between routing peers. A transition of rcBfdTmpSessState to 'Down' combined with a non-zero rcBfdTmpSessDiag value would indicate a fast-detected link or peer failure, while rcBfdTmpSessDiscriminator/rcBfdTmpSessRemoteDiscr help correlate local and remote session identifiers during troubleshooting. rcBfdTmpAdminStatus confirms whether BFD is administratively enabled on the device at all.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| rcBfdTmpMib | 1.3.6.1.4.1.2272.1.81.1 | This MIB module is a duplicate of Bidirectional Forwarding Detection Management Information Base draft-ietf-bfd-mib-03.txt. The object names and OIDs may be different from the draft. | ||
| rcBfdTmpNotifications | 1.3.6.1.4.1.2272.1.81.1.0 | |||
| NTF rcBfdTmpSessUp | 1.3.6.1.4.1.2272.1.81.1.0.1 | This notification is generated when the bfdSessState object for one or more contiguous entries in bfdSessTable are about to enter the up(2) state from some other state. The included values of bfdSessDiag MUST both be set equal to this new state (i.e: up(1)). The two instances of bfdSessDiag in this notification indicate the range of indexes that are affected. Note that all the indexes of the two ends of the range can be derived from the instance identifiers of these two objects. For the cases where a contiguous range of sessions have transitioned into the up(1) state at roughly the same time, the device SHOULD issue a single notification for each range of contiguous indexes in an effort to minimize the emission of a large number of notifications. If a notification has to be issued for just a single bfdSessEntry, then the instance identifier (and values) of the two bfdSessDiag objects MUST be the identical. | ||
| NTF rcBfdTmpSessDown | 1.3.6.1.4.1.2272.1.81.1.0.2 | This notification is generated when the bfdSessState object for one or more contiguous entries in bfdSessTable are about to enter the down(4) or adminDown(5) states from some other state. The included values of bfdSessDiag MUST both be set equal to this new state (i.e: down(4) or adminDown(5)). The two instances of bfdSessDiag in this notification indicate the range of indexes that are affected. Note that all the indexes of the two ends of the range can be derived from the instance identifiers of these two objects. For cases where a contiguous range of sessions have transitioned into the down(4) or adminDown(5) states at roughly the same time, the device SHOULD issue a single notification for each range of contiguous indexes in an effort to minimize the emission of a large number of notifications. If a notification has to be issued for just a single bfdSessEntry, then the instance identifier (and values) of the two bfdSessDiag objects MUST be the identical. | ||
| rcBfdTmpObjects | 1.3.6.1.4.1.2272.1.81.1.1 | |||
| rcBfdTmpScalarObjects | 1.3.6.1.4.1.2272.1.81.1.1.1 | |||
| INT rcBfdTmpAdminStatus | 1.3.6.1.4.1.2272.1.81.1.1.1.1 | INTEGER | read-write | The global administrative status of BFD in this router. The value 'enabled' denotes that the BFD Process is active on at least one interface; 'disabled' disables it on all interfaces. |
| U32 rcBfdTmpVersionNumber | 1.3.6.1.4.1.2272.1.81.1.1.1.3 | Unsigned32 | read-only | The current version number of the BFD protocol. |
| T/F rcBfdTmpSessNotificationsEnable | 1.3.6.1.4.1.2272.1.81.1.1.1.4 | TruthValue | read-write | If this object is set to true(1), then it enables the emission of bfdSessUp and bfdSessDown notifications; otherwise these notifications are not emitted. |
| rcBfdTmpSessTable | 1.3.6.1.4.1.2272.1.81.1.1.2 | not-accessible | The BFD Session Table describes the BFD sessions. | |
| rcBfdTmpSessEntry | 1.3.6.1.4.1.2272.1.81.1.1.2.1 | not-accessible | The BFD Session Entry describes BFD session. | |
| RCB rcBfdTmpSessIndex | 1.3.6.1.4.1.2272.1.81.1.1.2.1.1 | RcBfdTmpSessIndexTC | not-accessible | This object contains an index used to represent a unique BFD session on this device. |
| U32 rcBfdTmpSessApplicationId | 1.3.6.1.4.1.2272.1.81.1.1.2.1.2 | Unsigned32 | read-only | This object contains an index used to indicate a local application which owns or maintains this BFD session. For instance, the MPLS VPN process may maintain a subset of the total number of BFD sessions. This application ID provides a convenient way to segregate sessions by the applications which maintain them. |
| U32 rcBfdTmpSessDiscriminator | 1.3.6.1.4.1.2272.1.81.1.1.2.1.3 | Unsigned32 | read-only | This object specifies the local discriminator for this BFD session, used to uniquely identify it. |
| U32 rcBfdTmpSessRemoteDiscr | 1.3.6.1.4.1.2272.1.81.1.1.2.1.4 | Unsigned32 | read-only | This object specifies the session discriminator chosen by the remote system for this BFD session. |
| INE rcBfdTmpSessUdpPort | 1.3.6.1.4.1.2272.1.81.1.1.2.1.5 | InetPortNumber | read-create | The UDP Port for BFD. The default value is the well-known value for this port. |
| INT rcBfdTmpSessState | 1.3.6.1.4.1.2272.1.81.1.1.2.1.6 | INTEGER | read-only | The perceived state of the BFD session. |
| T/F rcBfdTmpSessRemoteHeardFlag | 1.3.6.1.4.1.2272.1.81.1.1.2.1.7 | TruthValue | read-only | This object specifies status of BFD packet reception from the remote system. Specifically, it is set to true(1) if the local system is actively receiving BFD packets from the remote system, and is set to false(0) if the local system has not received BFD packets recently (within the detection time) or if the local system is attempting to tear down the BFD session. |
| U32 rcBfdTmpSessDiag | 1.3.6.1.4.1.2272.1.81.1.1.2.1.8 | Unsigned32 | accessible-for-notify | A diagnostic code specifying the local system's reason for the last transition of the session from up(1) to some other state. |
| INT rcBfdTmpSessOperMode | 1.3.6.1.4.1.2272.1.81.1.1.2.1.9 | INTEGER | read-only | This object specifies current operating mode that BFD session is operating in. A value of AsyncModeWEchoFun(1) ... A value of AsynchModeWOEchoFun(2) ... A value of DemandModeWEchoFunction(3) ... A value of DemandModeWOEchoFunction(4) ... |
| T/F rcBfdTmpSessDemandModeDesiredFlag | 1.3.6.1.4.1.2272.1.81.1.1.2.1.10 | TruthValue | read-create | This object indicates that the local system's desire to use Demand mode. Specifically, it is set to true(1) if the local system wishes to use Demand mode or false(0) if not |
| T/F rcBfdTmpSessEchoFuncModeDesiredFlag | 1.3.6.1.4.1.2272.1.81.1.1.2.1.11 | TruthValue | read-create | This object indicates that the local system's desire to use Echo mode. Specifically, it is set to true(1) if the local system wishes to use Echo mode or false(0) if not |
| T/F rcBfdTmpSessControlPlanIndepFlag | 1.3.6.1.4.1.2272.1.81.1.1.2.1.12 | TruthValue | read-create | This object indicates that the local system's ability to continue to function through a disruption of the control plane. Specifically, it is set to true(1) if the local system BFD implementation is independent of the control plane. Otherwise, the value is set to false(0) |
| IPt rcBfdTmpSessAddrType | 1.3.6.1.4.1.2272.1.81.1.1.2.1.13 | InetAddressType | read-create | This object specifies IP address of the interface associated with this BFD session. Only values unknown(0), ipv4(1) or ipv6(2) have to be supported. A value of unknown(0) is allowed only when the outgoing interface is of type point-to-point, or when the BFD session is not associated with a specific interface. If any other unsupported values are attempted in a set operation, the agent MUST return an inconsistentValue error. |
| IP rcBfdTmpSessAddr | 1.3.6.1.4.1.2272.1.81.1.1.2.1.14 | InetAddress | read-create | This object specifies IP address of the interface associated with this BFD session. It can also be used to enabled BFD on a specific interface. The value is set to zero when BFD session is not associated with a specific interface. |
| NUM rcBfdTmpSessDesiredMinTxInterval | 1.3.6.1.4.1.2272.1.81.1.1.2.1.15 | RcBfdTmpInterval | read-create | This object specifies the minimum interval, in microseconds, that the local system would like to use when transmitting BFD Control packets. |
| NUM rcBfdTmpSessReqMinRxInterval | 1.3.6.1.4.1.2272.1.81.1.1.2.1.16 | RcBfdTmpInterval | read-create | This object specifies the minimum interval, in microseconds, between received BFD Control packets the local system is capable of supporting. |
| NUM rcBfdTmpSessReqMinEchoRxInterval | 1.3.6.1.4.1.2272.1.81.1.1.2.1.17 | RcBfdTmpInterval | read-create | This object specifies the minimum interval, in microseconds, between received BFD Echo packets that this system is capable of supporting. |
| U32 rcBfdTmpSessDetectMult | 1.3.6.1.4.1.2272.1.81.1.1.2.1.18 | Unsigned32 | read-create | This object specifies the Detect time multiplier. |
| STO rcBfdTmpSessStorType | 1.3.6.1.4.1.2272.1.81.1.1.2.1.19 | StorageType | read-create | This variable indicates the storage type for this object. Conceptual rows having the value 'permanent' need not allow write-access to any columnar objects in the row. |
| ROW rcBfdTmpSessRowStatus | 1.3.6.1.4.1.2272.1.81.1.1.2.1.20 | RowStatus | read-create | This variable is used to create, modify, and/or delete a row in this table. When a row in this table has a row in the active(1) state, no objects in this row can be modified except the bfdSessRowStatus and bfdSessStorageType. |
| T/F rcBfdTmpSessAuthPresFlag | 1.3.6.1.4.1.2272.1.81.1.1.2.1.21 | TruthValue | read-create | This object indicates that the local system's desire to use Authentication. Specifically, it is set to true(1) if the local system wishes the session to be authenticated or false(0) if not |
| INT rcBfdTmpSessAuthenticationType | 1.3.6.1.4.1.2272.1.81.1.1.2.1.22 | INTEGER | read-create | The Authentication Type used for this BFD session. This field is valid only when the Authentication Present bit is set |
| rcBfdTmpSessPerfTable | 1.3.6.1.4.1.2272.1.81.1.1.3 | not-accessible | This table specifies BFD Session performance counters. | |
| rcBfdTmpSessPerfEntry | 1.3.6.1.4.1.2272.1.81.1.1.3.1 | not-accessible | An entry in this table is created by a BFD-enabled node for every BFD Session. bfdCounterDiscontinuityTime is used to indicate potential discontinuity for all counter objects in this table. | |
| C32 rcBfdTmpSessPerfPktIn | 1.3.6.1.4.1.2272.1.81.1.1.3.1.1 | Counter32 | read-only | The total number of BFD messages received for this BFD session. |
| C32 rcBfdTmpSessPerfPktOut | 1.3.6.1.4.1.2272.1.81.1.1.3.1.2 | Counter32 | read-only | The total number of BFD messages sent for this BFD session. |
| TIM rcBfdTmpSessUpTime | 1.3.6.1.4.1.2272.1.81.1.1.3.1.3 | TimeStamp | read-only | The value of sysUpTime on the most recent occasion at which the session came up. If no such up event exists this object contains a zero value. |
| TIM rcBfdTmpSessPerfLastSessDownTime | 1.3.6.1.4.1.2272.1.81.1.1.3.1.4 | TimeStamp | read-only | The value of sysUpTime on the most recent occasion at which the last time communication was lost with the neighbor. If no such down event exist this object contains a zero value. |
| RCB rcBfdTmpSessPerfLastCommLostDiag | 1.3.6.1.4.1.2272.1.81.1.1.3.1.5 | RcBfdTmpDiag | read-only | The BFD diag code for the last time communication was lost with the neighbor. If no such down event exists this object contains a zero value. |
| C32 rcBfdTmpSessPerfSessUpCount | 1.3.6.1.4.1.2272.1.81.1.1.3.1.6 | Counter32 | read-only | The number of times this session has gone into the Up state since the router last rebooted. |
| TIM rcBfdTmpSessPerfDiscTime | 1.3.6.1.4.1.2272.1.81.1.1.3.1.7 | TimeStamp | read-only | The value of sysUpTime on the most recent occasion at which any one or more of the session counters suffered a discontinuity. The relevant counters are the specific instances associated with this BFD session of any Counter32 object contained in the BfdSessPerfTable. If no such discontinuities have occurred since the last re-initialization of the local management subsystem, then this object contains a zero value. |
| C64 rcBfdTmpSessPerfPktInHC | 1.3.6.1.4.1.2272.1.81.1.1.3.1.8 | Counter64 | read-only | This value represents the total number of BFD messages received for this BFD session. It MUST be equal to the least significant 32 bits of bfdSessPerfPktIn if bfdSessPerfPktInHC is supported according to the rules spelled out in RFC2863. |
| C64 rcBfdTmpSessPerfPktOutHC | 1.3.6.1.4.1.2272.1.81.1.1.3.1.9 | Counter64 | read-only | This value represents the total number of total number of BFD messages transmitted for this BFD session. It MUST be equal to the least significant 32 bits of bfdSessPerfPktIn if bfdSessPerfPktOutHC is supported according to the rules spelled out in RFC2863. |
| rcBfdTmpSessMapTable | 1.3.6.1.4.1.2272.1.81.1.1.4 | not-accessible | The BFD Session Mapping Table maps the complex indexing of the BFD sessions to the flat BFDIndex used in the BfdSessionTable. Implementors need to be aware that if the value of the bfdSessAddr (an OID) has more that 111 sub-identifiers, then OIDs of column instances in this table will have more than 128 sub-identifiers and cannot be accessed using SNMPv1, SNMPv2c, or SNMPv3. | |
| rcBfdTmpSessMapEntry | 1.3.6.1.4.1.2272.1.81.1.1.4.1 | not-accessible | The BFD Session Entry describes BFD session that is mapped to this index. Implementors need to be aware that if the value of the mplsInSegmentMapLabelPtrIndex (an OID) has more that 111 sub-identifiers, then OIDs of column instances in this table will have more than 128 sub-identifiers and cannot be accessed using SNMPv1, SNMPv2c, or SNMPv3. | |
| RCB rcBfdTmpSessMapBfdIndex | 1.3.6.1.4.1.2272.1.81.1.1.4.1.1 | RcBfdTmpSessIndexTC | read-only | This object specifies the BfdIndex referred to by the indexes of this row. In essence, a mapping is provided between these indexes and the BfdSessTable. |
RFC description
Manages Bidirectional Forwarding Detection (BFD) sessions and parameters for Nortel routers.
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