Network | IS-IS | Adjacency Down¶
Symptoms¶
Routing table changes and possible lost of connectivity
Probable Causes¶
Link failure or protocol misconfiguration
Recommended Actions¶
Check links and local and neighbor router configuration
Variables¶
Variable | Description | Default |
---|---|---|
interface | Interface | |
neighbor | Neighbor's NSAP or name | |
level | Level | |
reason | Adjacency lost reason |
Alarm Correlation¶
Scheme of correlation of Network | IS-IS | Adjacency Down
alarms with other alarms is on the chart.
Arrows are directed from root cause to consequences.
graph TD
A[["Network | IS-IS | Adjacency Down"]]
R1["Network | Link | Link Down"]
R2["Network | BFD | Session Down"]
R1 --> A
R2 --> A
Root Causes¶
Network | IS-IS | Adjacency Down
alarm may be consequence of
Alarm Class | Description |
---|---|
Network | Link | Link Down | Link Down |
Network | BFD | Session Down | Link Down |
Events¶
Opening Events¶
Network | IS-IS | Adjacency Down
may be raised by events
Event Class | Description |
---|---|
Network | IS-IS | Adjacency Down | dispose |
Closing Events¶
Network | IS-IS | Adjacency Down
may be cleared by events
Event Class | Description |
---|---|
Network | IS-IS | Adjacency Up | dispose |