ISIS/6/ISIS_BFD_SYNC_STATE_CHANGE: The BFD incr-cost state of the interface in IS-IS [InstanceID] changed. (IfName=[IfName], Level=[Level], MTID=[MtId], AddressFamily=[AddressFamily], Sync-state=[SyncState], ChangeReason=[ChangeReason])
In VS mode, this log is supported only by the admin VS.
| Parameter Name | Parameter Meaning |
|---|---|
|
InstanceID |
IS-IS process ID |
|
IfName |
Indicates the interface name. |
|
Level |
Interface level. |
|
MtId |
Interface topology ID. |
|
AddressFamily |
Address family in the view for BMP to monitor a specific peer. |
|
SyncState |
Association status. |
|
ChangeReason |
Cause of the BFD association status change. |
An IS-IS interface enters the BFD association state due to the following reasons:
Cause 1: The BFD session went Down.
An IS-IS interface quits the BFD association state because of the following reasons:
Cause 1: The BFD session is Up.
Cause 2: The BFD session was deleted.
Cause 3: After the neighbor protocol went Down, the neighbor was deleted.
Cause 4: The BFD association configuration was deleted.
Cause 5: The IS-IS neighbor status changed from one to multiple.
Cause 6: The interface went Down.
1. This log message is informational only, and no action is required.