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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. hwIsisL2ImportRouteExceedLimit

ISIS_1. hwIsisL2ImportRouteExceedLimit


ISIS/2/L2_REDIST_EXCEED_LIMIT:OID [oid] The number of level-2 imported routes has exceeded the maximum limit.(sysInstance=[integer], sysProtocol=[integer], sysMTIndex=[integer], sysMaxLimit=[integer], sysTotalRedist=[integer])

The number of imported routes that the routers in the Intermediate System to Intermediate System (IS-IS) Level-2 area advertised exceeded the configured maximum number.


Alarm ID Alarm Severity Alarm Type




Name Meaning


Indicates the MIB object ID of the alarm.


Number of the IS-IS process


Protocol type
  • 1: IPv4
  • 2: IPv6


Multi-topology ID


Maximum number of imported routes that the routers in the IS-IS Level-2 area can advertise


Number of routes imported by IS-IS

Impact on the System

Some imported routes are not advertised.

Possible Causes

The number of imported routes that the routers in the IS-IS Level-2 area advertised exceeded the maximum number of imported routes that the routers in the IS-IS Level-2 area can advertise.


  1. Run the display current-configuration command to check the configuration.

    • If the configured maximum number of imported routes is improper, run the import-route limit command to modify it.

    • If the configured maximum number is proper, go to Step 2.

  2. If incorrect external routes have been imported into the IS-IS process, run the undo import-route command in the IS-IS view to disable external routes from being imported. Then check whether the alarm is cleared.

    • If the alarm is cleared, go to Step 3.

    • If the alarm persists, go to Step 2.

  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: 108276

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