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Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
OL-9639-06
Chapter 35 Configuring IP Unicast Routing
Configuring RIP
To turn off the RIP routing process, use the no router rip global configuration command.
To display the parameters and current state of the active routing protocol process, use the show ip
protocols privileged EXEC command. Use the show ip rip database privileged EXEC command to
display summary address entries in the RIP database.
Configuring RIP Authentication
RIP Version 1 does not support authentication. If you are sending and receiving RIP Version 2 packets,
you can enable RIP authentication on an interface. The key chain specifies \the set of keys that can be
used on the interface. If a key chain is not configured, no authentication is performed, not even the
default. Therefore, you must also perform the tasks in the
“Managing Authentication Keys” section on
page 35-101.
The switch supports two modes of authentication on interfaces for which RIP authentication is enabled:
plain text and MD5. The default is plain text.
Beginning in privileged EXEC mode, follow these steps to configure RIP authentication on an interface:
Step 8
version {1 | 2} (Optional) Configure the switch to receive and send only RIP Version 1 or RIP
Version 2 packets. By default, the switch receives Version 1 and 2 but sends only
Version 1.
You can also use the interface commands ip rip {send | receive} version 1 | 2 |
1 2} to control what versions are used for sending and receiving on interfaces.
Step 9
no auto summary (Optional) Disable automatic summarization. By default, the switch summarizes
subprefixes when crossing classful network boundaries. Disable summarization
(RIP Version 2 only) to advertise subnet and host routing information to classful
network boundaries.
Step 10
no validate-update-source (Optional) Disable validation of the source IP address of incoming RIP routing
updates. By default, the switch validates the source IP address of incoming RIP
routing updates and discards the update if the source address is not valid. Under
normal circumstances, disabling this feature is not recommended. However, if
you have a router that is off-network and you want to receive its updates, you can
use this command.
Step 11
output-delay delay (Optional) Add interpacket delay for RIP updates sent.
By default, packets in a multiple-packet RIP update have no delay added between
packets. If you are sending packets to a lower-speed device, you can add an
interpacket delay in the range of 8 to 50 milliseconds.
Step 12
end Return to privileged EXEC mode.
Step 13
show ip protocols Verify your entries.
Step 14
copy running-config
startup-config
(Optional) Save your entries in the configuration file.
Command Purpose
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
interface interface-id Enter interface configuration mode, and specify the
interface to configure.