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Network | IS-IS | Adjacency Down

Symptoms

Routing table changes and possible lost of connectivity

Probable Causes

Link failure or protocol misconfiguration

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