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Log Reference

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

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

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OSPF/4/AUTO_CHG_RTRID: OSPF automatically changes the router ID when detecting router ID conflict in the area. (ProcessId=[USHORT], NewRouterId=[IPADDR], OldRouterId=[IPADDR], ConflictRtrIdNum=[ULONG])


OSPF automatically changed the router ID when two or more same IDs were detected for a router in an area.


Parameter Name Parameter Meaning
ProcessId Process ID
NewRouterId New ID for a router
OldRouterId Original ID for a router
ConflictRtrIdNum Number of conflict router IDs

Possible Causes

The same router ID was configured for at least two indirectly connected routers within one area, which caused the router lSA to be refreshed frequently. As a result, route flapping occurred.


  1. If the undo ospf router-id auto-recover disable command is enabled by default, the system will be automatically restored after two or more same router IDs are detected.
  2. If the system cannot be restored automatically, change a router ID manually.
Updated: 2019-05-29

Document ID: EDOC1000097209

Views: 129857

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