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Alarm Handling

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

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. isisCorruptedLSPDetected

ISIS_1. isisCorruptedLSPDetected


ISIS/3/CORRUPT_LSP:OID [oid] The checksum of LSP is wrong. (sysInstance=[integer], sysInstanceofLevel=[integer], sysLevel=[integer], pduLspId=[opaque])

A trap was generated when the LSP checksum authentication of the local LSDB failed before the IS-IS router sent LSPs.


Alarm ID Alarm Severity Alarm Type




Name Meaning


Indicates the MIB object ID of the alarm.


Indicates the ID of the IS-IS process.


Indicates the ID of the IS-IS process.


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

  • 2: Level-2


Indicates the LSP ID.

Impact on the System

Relevant IS-IS services may be interrupted.

Possible Causes

During the LSP refreshing period, a fault occurred in the memory, and consequently the LSP was modified.


  1. Run the display memory-usage command to check whether the memory usage exceeds the threshold (approximately 80%).

    • If so, go to Step 3.

    • If not, go to Step 2.

  2. Run the reset isis all command to restart the IS-IS process. After the IS-IS process is restarted, check whether the trap is cleared.

    • If so, go to Step 4.

    • If not, go to Step 3.

  3. Collect alarm information and configuration information, and then contact technical support personnel.
  4. End.

Related Information


Updated: 2019-03-06

Document ID: EDOC1100041475

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