Configure the interfaces as shown in the diagram:

RIP layout

Configure Router 1:

Router(config)#router rip

Router(config-router)#version 2

Router(config-router)#network 10.0.0.0

Router(config-router)#network 11.0.0.0

Router(config-router)#^Z                              [ctrl+Z  or  end]

Router#wr

Building configuration…

[OK]

Router#

Configure Router 0:

Similar as above with networks 11.0.0.0, 12.0.0.0 and 13.0.0.0

Configure Router 2:

Similar as above with networks 12.0.0.0 and 14.0.0.0

Configure Router 3:

Similar as above with networks 13.0.0.0 and 15.0.0.0

Configure the PC terminals as shown.

Start pinging from PC command prompt.

Tips:

Use show ip protocols for verifying RIP.

Use show ip route to check for routes.

Other useful commands:

Router(config)#no router rip Turns off the RIP routing process
Router(config-router)#no network a.b.c.d Removes network a.b.c.d from the RIP routing process
Router(config-router)#timers basic 30 90 180 270 Changes timers in RIP (in seconds): 30 = Update timer; 90 = Invalid timer; 180 = Hold-down timer; 270 = Flush timer
Router#debug ip rip Displays all RIP activity in real time
Router#show ip rip database Displays contents of the RIP database
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