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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. isisDatabaseOverload

ISIS_1. isisDatabaseOverload


ISIS/3/OLOAD:OID [oid] The overload state of IS-IS LSDB changed. (sysInstance=[integer], sysInstanceofLevel=[integer], sysLevel=[integer], overLoadState=[integer])

The database entered or exited from the Overload state.


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 LSDB Overload state:
  • 1: off

  • 2: on

  • 3: waiting

  • 4: overloaded

Impact on the System

1. If the trap is triggered by the change of the LSDB Overload state, route selection of the neighbor will be affected.

2. If the trap is triggered by memory failure, it indicates that the IS-IS database is unauthentic.

Possible Causes

1. The set-overload or undo set-overload command is run in the IS-IS view.

2. Memory application failed because memory was insufficient. As a result, the system of the router may crash.


  1. Run the display this command in the IS-IS view to check whether the set-overload command has been run in this process.

    • If so, this trap message is informational only, and no action is required. Go to Step 6.

    • If not, go to Step 2.

  2. Run the display history-command command in any view to check whether the undo set-overload command has been run in the process.

    • If the undo set-overload command has been run in the process, go to Step 6.

    • If the undo set-overload command has not been run in the process, go to Step 3.

  3. Run the display memory-usage command to check the memory usage of the router. Check whether the memory usage reaches the threshold.

    • If so, go to Step 4.

    • If not, go to Step 5.

  4. Obtain the logs.
  5. Collect alarm information and configuration information, and then contact technical support personnel.
  6. End.

Related Information


Updated: 2019-03-06

Document ID: EDOC1100041475

Views: 108287

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