Single Key Authentication
Use the following steps to configure route to enable RIPv2 authentication using a single key or password:
1. Define the authentication string or password
In the Interface mode, specify the authentication string or password used by the key using the following command:
ip rip authentication string LINE
where LINE is the authentication string or password
2. Specify mode of authentication for the interface
In the Interface mode, specify either text or MD5 authentication using the following command:
ip rip authentication mode md5|text
Example
#configure terminal
(config)#interface eth0
(config-if)#ip rip authentication string mykey
(config-if)#ip rip authentication mode md5
Last modified date: 08/28/2023