Display brief information about IS-IS neighbors.
From the CLI, enter the show isis adjacency brief command.
user@host> show isis adjacency brief
IS-IS adjacency database: Interface System L State Hold (secs) SNPA ge-0/0/0.0 1921.6800.5067 2 Up 13 ge-0/0/1.0 1921.6800.5067 2 Up 25 ge-0/0/2.0 1921.6800.5067 2 Up 19
Verify adjacent routers in the IS-IS database.
For a complete description of show isis adjacency brief output, see the JUNOS Routing Protocols and Policies Command Reference.