AuthenticationinRIPv2

key chain kal
key 1
key-string 234
!
interface Loopback0
ip address 70.70.70.70 255.255.255.255
!
interface Serial2
ip address 141.108.0.10 255.255.255.252
ip rip authentication key-chain kal
!
router rip
version 2
network 141.108.0.0
network 70.0.0.0key chain kal
key 1
key-string 234
!
interface Loopback0
ip address 80.80.80.1 255.255.255.0
!
interface Serial1/0
ip address 141.108.0.9 255.255.255.252
ip rip authentication key-chain kal
clockrate 64000
!
router rip
version 2
network 141.108.0.0
network 80.0.0.0