isis circut-type

Configures the type of adjacency used for an Intermediate System-to-Intermediate System (IS-IS) interface.

Syntax

isis circut-type { level-1 | level-1-2 | level-2 }
no circut-type { level-1 | level-1-2 | level-2 }

Command Default

Level 1 and Level 2 adjacency is configured by default.

Parameters

level-1
Specifies Level 1 packets only.
level-1-2
Specifies Level 1 and Level 2 packets.
level-2
Specifies Level 2 packets only.

Modes

Interface subtype configuration mode

Usage Guidelines

IS-IS is supported on the Extreme 8820, SLX 9740, SLX 9640, and SLX 9540 devices only.

The no form of the command resets the type of adjacency to the default value of Level 1 and Level 2 adjacency.

Examples

The following example configures Level 1 adjacency on an IS-IS Ethernet interface.

device# configure terminal
device(config)# interface ethernet 1/1
device(config-if-eth-1/1)# isis circut-type level-1