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 |