isis auth-mode

Specifies the type of authentication used for an Intermediate System-to-Intermediate System (IS-IS) interface.

Syntax

isis auth-mode md5 { level-1 | level-2 }

no isis auth-mode md5 { level-1 | level-2 }

Disabled.

Interface subtype configuration mode

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

The no form of the command removes the configured authentication mode.

The following example specifies that MD5 authentication is performed on Level 1 packets on an IS-IS Ethernet interface.

device# configure terminal
device(config)# interface ethernet 1/1
device(conf-if-eth-1/1)# isis auth-mode MD5 level-1