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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-STD_1. isisCorruptedLSPDetected

ISIS-STD_1. isisCorruptedLSPDetected


ISIS-STD/3/CORRUPT_LSP:OID [oid] The checksum of LSP is wrong. (NotificationSysLevelIndex=[integer], PduLspId=[opaque])

When an IS-IS router sent LSP packets, LSP checksum authentication failed.


Alarm ID Alarm Severity Alarm Type




Name Meaning


Indicates the MIB object ID of the alarm.


IS-IS level of a device that sends the trap



Impact on the System

Relevant IS-IS services may be interrupted.

Possible Causes

Cause 1: During the LSP refreshment period, a memory fault caused the LSPs to be changed.

Cause 2: LSPs with non-zero checksum did not pass checksum authentication in the local LSDB.


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

    • If the memory usage has reached the upper threshold, go to Step 3.

    • If the memory usage has not reached the upper threshold, go to Step 2.

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

    • If the trap is cleared, go to Step 4.

    • If the trap is not cleared, 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

Views: 101266

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