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Log Reference

AR500, AR510, and AR530 V200R007

This document supports all the logs of device, including the parameters, meaning, possible causes and solution.

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ISIS/4/ADD_SRLGTOLINK_FAIL:ISIS [process-id] failed to add SRLG information to TE link. (NewSrlgNum=[USHORT], CurrentSrlgNum=[USHORT], NeighborSystemId=[STRING], NeighborPseudoNodeId=[USHORT], FragmentNumber=[USHORT])


IS-IS failed to add the SRLG information to a TE link.


Parameter Name Parameter Meaning


Indicates the ID of an IS-IS process.


Indicates the number of new SRLGs.


Indicates the number of SRLGs on the current link.


Indicates the system ID of a neighbor.


Indicates the pseudo node ID of a neighbor.


Indicates the number of the LSP fragment.

Possible Causes

1. No SRLG is added.

2. Failed to apply memory for the key data structure when adding the SRLG information.

3. The internal logic was incorrect.


  1. Run the debugging isis receiving-packet-regular-content command and the debugging isis update-packet command, and then analyze the received packet according to the packet type and the system ID; check whether the packet does not carry an SRLG.
  2. If the TLV type is normal, perform the following:

    • Run the display memory-usage command in the user view to check whether the system memory usage is too high. If so, analyze the cause.

    • If the memory usage is normal, contact technical support personnel.

  3. If abnormality occurs in the TLV, check whether the industrial switch router sending the LSP is faulty.
  4. If the router is faulty, contact technical support personnel.
  5. End.
Updated: 2019-05-29

Document ID: EDOC1000097294

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