RIP Version 2 Summarization.

 

RIP Version 1 with auto-summary enabled

Router0:

show ip route

10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks

C 10.0.0.0/9 is directly connected, GigabitEthernet0/1

L 10.1.1.1/32 is directly connected, GigabitEthernet0/1

C 10.128.0.0/9 is directly connected, GigabitEthernet0/2

L 10.130.1.1/32 is directly connected, GigabitEthernet0/2

Router1:

show ip route

R 10.0.0.0/8 [120/1] via 193.10.1.1, 00:00:10, GigabitEthernet0/0

Route2:

show ip route

R 10.0.0.0/8 [120/2] via 192.168.1.1, 00:00:01, GigabitEthernet0/0

After Version 2 enabled and auto-summary disabled.

On all three Routers.

Router(config)#router rip

Router(config-router)#version 2

Router(config-router)#no auto-summary

Router0:

10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks

C 10.0.0.0/9 is directly connected, GigabitEthernet0/1

L 10.1.1.1/32 is directly connected, GigabitEthernet0/1

C 10.128.0.0/9 is directly connected, GigabitEthernet0/2

L 10.130.1.1/32 is directly connected, GigabitEthernet0/2

Router1:

show ip route

10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks

R 10.0.0.0/8 [120/1] via 193.10.1.1, 00:00:42, GigabitEthernet0/0

R 10.0.0.0/9 [120/1] via 193.10.1.1, 00:00:14, GigabitEthernet0/0

R 10.128.0.0/9 [120/1] via 193.10.1.1, 00:00:14, GigabitEthernet0/0

Router2:

show ip route

10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks

R 10.0.0.0/8 [120/2] via 192.168.1.1, 00:00:19, GigabitEthernet0/0

R 10.0.0.0/9 [120/2] via 192.168.1.1, 00:00:19, GigabitEthernet0/0

R 10.128.0.0/9 [120/2] via 192.168.1.1, 00:00:19, GigabitEthernet0/0