Configuring RIP
b.
(Optional) To specify the version of RIP advertisements permitted to be received by an interface,
Step 2
perform the following steps:
a.
b.
RIP updates received on the interface that do not match the allowed version are dropped.
Enabling RIP Authentication
The security appliance supports RIP message authentication for RIP Version 2 messages.
To enable RIP message authentication, perform the following steps:
Enter interface configuration mode for the interface you are configuring by entering the following
Step 1
command:
hostname(config)# interface phy_if
(Optional) Set the authentication mode by entering the following command. By default, text
Step 2
authentication is used. MD5 authentication is recommended.
hostname(config-if)# rip authentication mode {text | md5}
Enable authentication and configure the authentication key by entering the following command:
Step 3
hostname(config-if)# rip authentication key key key_id key-id
Monitoring RIP
To display various RIP routing statistics, perform one of the following tasks, as needed:
•
•
Cisco Security Appliance Command Line Configuration Guide
9-22
Specify the version of RIP to use when sending RIP updates out of the interface by entering the
following command:
hostname(config-if)# rip send version {[1] [2]}
Enter interface configuration mode for the interface you are configuring by entering the following
command:
hostname(config)# interface phy_if
Specify the version of RIP to allow when receiving RIP updates on the interface by entering the
following command:
hostname(config-if)# rip receive version {[1] [2]}
To display the contents of the RIP routing database, enter the following command:
hostname# show rip database
To display the RIP commands in the running configuration, enter the following command:
hostname# show running-config router rip
Chapter 9
Configuring IP Routing
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