key-string keyb
accept-lifetime 00:00:00 Dec 3 2000 infinite
send-lifetime 00:00:00 Dec 4 2000 infinite
# Configuring Ethernet interface
interface FastEthernet0/0
ip address 192.168.12.1 255.255.255.0
ip rip authentication mode md5
ip rip authentication key-chain ripkey
# Configuring RIP route protocol
router rip
version 2
network 192.168.12.0
Configuration of Device B:
# Configure the key chain
key chain ripkey
key 1
key-string keyb
accept-lifetime 00:00:00 Dec 3 2000 infinite
send-lifetime 00:00:00 Dec 4 2000 00:00:00 Dec 5 2000
key 2
key-string keya
accept-lifetime 00:00:00 Dec 3 2000 infinite
send-lifetime 00:00:00 Dec 4 2000 infinite
# Configuring Ethernet port
interface FastEthernet0/0
ip address 192.168.12.2 255.255.255.0
ip rip authentication mode md5
ip rip authentication key-chain ripkey
# Configuring RIP route protocol
router rip
version 2
network 192.168.12.0
27.3.3 Example of Configuring Packet
Unicast for the RIP
Configuration requirements:
All the three devices are connected on the LAN, and all run the RIP routing protocol. Figure
27-3 shows the IP address allocation and connection of the equipment.