Configuring Summary Addresses And Split Horizon - Cisco Catalyst 9500 series Configuration Manual

Configuring IP Unicast Routing
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8

Configuring Summary Addresses and Split Horizon

In general, disabling split horizon is not recommended unless you are certain that your application requires
Note
it to properly advertise routes.
If you want to configure an interface running RIP to advertise a summarized local IP address pool on a network
access server for dial-up clients, use the ip summary-address rip interface configuration command.
Command or Action
interface interface-id
Example:
Device(config)# interface gigabitethernet
1/0/1
ip rip authentication key-chain name-of-chain
Example:
Device(config-if)# ip rip authentication
key-chain trees
ip rip authentication mode {text | md5}
Example:
Device(config-if)# ip rip authentication
mode md5
end
Example:
Device(config)# end
show running-config
Example:
Device# show running-config
copy running-config startup-config
Example:
Device# copy running-config
startup-config
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
Configuring Summary Addresses and Split Horizon
Purpose
Enters interface configuration mode, and
specifies the interface to configure.
Enables RIP authentication.
Configures the interface to use plain text
authentication (the default) or MD5 digest
authentication.
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the
configuration file.
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