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 }

Command Default

Disabled.

Parameters

md5
Specifies message Digest 5 (MD5) authentication.
level-1
Specifies Level 1 packets only.
level-2
Specifies Level 2 packets only.

Modes

Interface subtype configuration mode

Usage Guidelines

IS-IS is supported only on devices based on the DNX chipset family. For a list of such devices, see "Supported Hardware".

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

Examples

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