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Alarm Handling

CloudEngine 12800 and 12800E V200R003C00

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

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ISIS_1. isisManualAddressDrops

ISIS_1. isisManualAddressDrops


Some area addresses were discarded because the number of area addresses exceeded three. (isisSysInstance=[isisSysInstance], isisSysLevelIndex=[isisSysLevelIndex], isisManAreaAddr=[isisManAreaAddr], isisManAreaAddrExistState=[isisManAreaAddrExistState])

Some area addresses of a device were discarded because the device had more than three area addresses.




Alarm or Event


Trap Severity


Mnemonic Code


Trap OID

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the matching trap.


Parameter Description


Indicates the ID of the IS-IS process.


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

  • 2: Level-2


Indicates the area address.


Indicates the area address state:
  • 1: active

  • 2: notInService

  • 3: notReady

  • 4: createAndGo

  • 5: createAndWait

  • 6: destroy



VB Name

VB Index









Impact on the System

The Level-2 area addresses of the local IS-IS system may be lost.

Possible Causes

The Level-1-2 leaked the LSP with the area ID of Level-1 to Level-2. When the number of Level-2 area ID exceeded 3, IS-IS selected top three smallest area IDs. Then, the local area addresses in the Level-2 area may be lost.


  1. Run the display isis lsdb level-1 verbose command to check the detailed information about the Level-1 IS-IS LSDB, and the AREA ADDR field carried in the LSP with the LSP fragment ID being 0. Then, count the number of different Level-1 area addresses to check whether the number is larger than three.

    • If so, go to step 2.
    • If not, go to step 3.

  2. Run the undo network-entity command (this command needs to be run with caution) in the IS-IS view to delete the IS-IS area address, and then run the network-entity command in the IS-IS view to configure a new IS-IS area address to ensure that there are not more than three different IS-IS area addresses in the Level-1 area that is connected to the Level-1-2 router. Run the display isis lsdb command to check whether the value of the Level-1 Area Address field is the same as the value of the Level-2 Area Address field in the LSP with the fragment number being 0 on the local .

    • If so, go to step 4.
    • If not, go to step 3.

  3. Collect the trap information, log information, and configuration of the , and contact technical support personnel technical personnel.
  4. End.
Updated: 2019-05-05

Document ID: EDOC1100004139

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