Display extensive information about IS-IS neighbors.
From the CLI, enter the show isis adjacency extensive command.
user@host> show isis adjacency extensive
R1 Interface: so-0/0/0.0, Level: 2, State: Up, Expires in 25 secs Priority: 0, Up/Down transitions: 1, Last transition: 4w6d 19:38:52 ago Circuit type: 2, Speaks: IP, IPv6 Topologies: Unicast Restart capable: Yes IP addresses: 10.1.12.1 Transition log: When State Reason Wed Jul 13 16:26:11 Up Seenself R3 Interface: so-0/0/1.0, Level: 2, State: Up, Expires in 23 secs Priority: 0, Up/Down transitions: 1, Last transition: 6w5d 19:07:16 ago Circuit type: 2, Speaks: IP, IPv6 Topologies: Unicast Restart capable: Yes IP addresses: 10.1.23.2 Transition log: When State Reason Thu Jun 30 16:57:46 Up Seenself R6 Interface: so-0/0/2.0, Level: 2, State: Up, Expires in 25 secs Priority: 0, Up/Down transitions: 1, Last transition: 6w0d 18:01:18 ago Circuit type: 2, Speaks: IP, IPv6 Topologies: Unicast Restart capable: Yes IP addresses: 10.1.26.2 Transition log: When State Reason Tue Jul 5 18:03:45 Up Seenself
Check the following fields and verify adjacency information about IS-IS neighbors:
An exclamation point before the level number indicates that the adjacency is missing an IP address.
For a complete description of show isis adjacency extensive output, see the JUNOS Routing Protocols and Policies Command Reference.