isis circuit-type
The default IS-IS interface circuit type is for Level 1 and Level 2. The isis
circuit-type command is used to select the IS-IS interface circuit type of adjacency
desired for neighbors on the BSR interface (IS-IS interface circuit type).
ISP
Command Mode
Interface Configuration
Command Line Usage
isis circuit-type {level-1 | level-1-2 | level-2-only}
no isis circuit-type {level-1 | level-1-2 | level-2-only}
Command Syntax
level-1
level-1-2
level-2-only
indicates that a Level 1 adjacency may be
established if there is at least one area address
in common between this system and its
neighbors.
indicates that a Level 1 and 2 adjacency is
established if the neighbor is also configured
as level-1-2 and there is at least one area in
common. If there is no area in common, a
Level 2 adjacency is established.
indicates that a Level 2 adjacency is
established only if the neighbor is configured
exclusively to be a Level 2 router.
IS-IS Commands
18-9