While attempting to add a new neighbor to the neighbor database, the system ID was already in the database.
This could occur as a result of an illegal topology in which two IS-IS routers have formed more than one adjacency between them. Check the topology and configurations to be sure this is not the case.
Notice
[%vlanName%-%sysId%] Global Neighbor Database insertion failed
| Name | Type |
|---|---|
| vlanName | VLAN |
| sysId | String |