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Alarm Handling

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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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 switch 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

The LSP checksum authentication failure will lead to the reset of the IS-IS process and relevant IS-IS services will 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: 2019-08-21

Document ID: EDOC1000142054

Views: 190923

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