isis authentication key-chain
Use this command to set the key chain to be used for authentication on the interface-related packets.
Authentication mode must be set to md5 to configure the key chain. If no key chain is configured with the key-chain command, no key-chain authentication is performed. Only one authentication key-chain is applied to an ISIS interface at a time. That is, issuing a second isis authentication key-chain command overrides the first isis authentication key-chain command.
If neither the level-1 nor level-2 keyword is configured, the key chain applies to the level(s) on which the authentication mode is configured as md5. Authentication can be specified for an entire instance of ISIS, instead of at the interface level, by using the authentication key-chain command.
Use the no parameter with this command to unset the key chain used for authentication on the interface-related packets.
Command Syntax
isis authentication key-chain WORD (level-1|level-2|)
no isis authentication key-chain (level-1|level-2|)
Parameters
WORD
Chain name - valid authentication keys.
level-1
Specify an authentication key-chain for level-1 PDUs.
level-2
Specify an authentication key-chain for level-2 PDUs.
Default
By default, this option is disabled. The key chain applies to the level(s) on which authentication mode is configured as MD5 if no level is specified.
Command Mode
Interface mode
Applicability
This command was introduced before OcNOS version 1.3.
Example
#configure terminal
(config)#interface eth1
(config-if)#isis authentication key-chain myKey level-1
Last modified date: 08/28/2023