Configuration of Device E:
# Configuring Ethernet port
interface FastEthernet0/0
ip address 192.168.13.5 255.255.255.0
# Configuring RIP route protocol
router rip
version 2
network 192.168.13.0
27.3.2 Example of Configuring RIP
Authentication
Configuration requirements:
Two routers are connected via the Ethernet and run the RIP routing protocol, with the MD5
authentication used. The connection diagram of the devices and the assignment of IP
addresses are shown in Figure 27-2.
Figure 27-2 Example of Configuring RIP Authentication
Router A must send RIP packets with the authentication key of keya and can receive the RIP
packets whose authentication keys are keya and keyb. Router B sends the RIP packets with
the authentication key of keyb and can receive the RIP packets of the authentication keys of
keya and keyb.
Detailed configuration of devices
Configuration of Device A:
#Configure the key chain
key chain ripkey
key 1
key-string keya
accept-lifetime 00:00:00 Dec 3 2000 infinite
send-lifetime 00:00:00 Dec 4 2000 infinite
key 2
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