Router 1 Configuration:-
Router>en
Router#conf t
Router(config)#int s2/0
Router(config-if)#ip add 200.100.10.2 255.255.255.252
Router(config-if)#clock rate 64000
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial2/0, changed state to down
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip add 192.168.10.1 255.255.255.0
Router(config-if)#no shut
Router#conf t
Router(config)#int s2/0
Router(config-if)#ip add 200.100.10.2 255.255.255.252
Router(config-if)#clock rate 64000
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial2/0, changed state to down
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip add 192.168.10.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#network 200.100.10.0
Router(config-router)#network 192.168.10.0
Router(config-router)#no auto-summary
Router 2 Configuration:-
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int s2/0
Router(config-if)#ip add 200.100.10.1 255.255.255.252
Router(config-if)#no shut
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0, changed state to up
Router(config-if)#exit
Router(config)#int s3/0
Router(config-if)#ip add 200.100.10.5 255.255.255.252
Router(config-if)#clock rate 64000
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial3/0, changed state to down
Router(config-if)#exit
Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#network 200.100.10.0
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0, changed state to up
Router(config-if)#exit
Router(config)#int s3/0
Router(config-if)#ip add 200.100.10.5 255.255.255.252
Router(config-if)#clock rate 64000
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial3/0, changed state to down
Router(config-if)#exit
Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#network 200.100.10.0
Router(config-router)#network 200.100.10.4
Router(config-router)#no auto summary
Router 3 Configuration:-
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int s3/0
Router(config-if)#ip add 200.100.10.6 255.255.255.252
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial3/0, changed state to down
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip add 192.168.20.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#network 192.168.20.0
Router(config-router)#network 200.100.10.4
Router(config-router)#no auto summary
Router(config-router)#no auto summary
Router 3 Configuration:-
Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int s3/0
Router(config-if)#ip add 200.100.10.6 255.255.255.252
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial3/0, changed state to down
Router(config-if)#exit
Router(config)#int f0/0
Router(config-if)#ip add 192.168.20.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
Router(config-if)#exit
Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#network 192.168.20.0
Router(config-router)#network 200.100.10.4
Router(config-router)#no auto summary
Set the all PC:-
IP Address, Subnet marks, Gateway