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Alarm Handling

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the device so as to locate faults.
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ISIS_1.3.6.1.3.37.2.0.7 isisOwnLSPPurge

ISIS_1.3.6.1.3.37.2.0.7 isisOwnLSPPurge

Description

ISIS/2/OWNLSP_PURGE:OID [oid] ISIS received a self-originated LSP with the age being 0. (sysInstance=[integer], sysInstanceofLevel=[integer], sysLevel=[integer], sysInstanceofInterface=[integer], circuit=[integer], ifIndex=[integer], circuitIfIndex=[integer], pduLspId=[opaque], pduRemoteRouterID=[integer], ifName=[string])

An LSP with the system ID as local IS-IS and the lifetime as 0 was received.

Attribute

Alarm ID Alarm Severity Alarm Type

1.3.6.1.3.37.2.0.7

Major

communicationsAlarm(2)

Parameters

Name Meaning

oid

Indicates the MIB object ID of the alarm.

sysInstance

Indicates the ID of the IS-IS process.

sysInstanceofLevel

Indicates the ID of the IS-IS process.

sysLevel

Indicates the IS-IS level:
  • 1: Level-1

  • 2: Level-2

sysInstanceofInterface

Indicates the ID of the IS-IS process.

circuit

Indicates the index of the interface.

ifIndex

Indicates the index of the interface.

circuitIfIndex

Indicates the IF index of the interface.

pduLspId

Indicates the ID of the LSP.

pduRemoteRouterID

Indicates the router ID of the remote system.

ifName

Indicates the name of the interface.

Impact on the System

1. If the trap triggered by the restart of the local router, services will not be affected.

2. If the trap is generated frequently, IS-IS routes are affected and packets may not be forwarded.

Possible Causes

1. The local router did not refresh its LSPs in time. As a result, Purge packets were generated after LSPs were aged and flooded to the local router.

2. The packet was modified and Purge packets were generated because of transmission failure.

3. The local router was restarted and then received the LSP with the system ID as local IS-IS and the lifetime as 0 from the neighbor.

Procedure

  1. Check whether the local router is restarted.

    • If so, it indicates that this trap message is informational only, and no action is required. Go to Step 4.

    • If not, go to Step 2.

  2. Check whether the IS-IS authentication configuration is modified and hence the Purge packets are generated and the trap is triggered.

    • If so, it indicates that this trap message is informational only, and no action is required. Go to Step 4.

    • If not, go to Step 3.

  3. Collect the trap information, log information, and configuration of the router, and contact technical support personnel.
  4. End.

Related Information

None

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Updated: 2019-05-07

Document ID: EDOC1100034065

Views: 131851

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