R1#sh ip route
Gateway of last resort is 1.1.1.2 to network 0.0.0.0
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Serial1/0
O*E2 0.0.0.0/0 [110/1] via 1.1.1.2, 00:10:14, Serial1/0
R2#sh ip route
Gateway of last resort is not set
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Serial1/0
2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, FastEthernet0/0
R 40.0.0.0/8 [120/1] via 2.2.2.4, 00:00:02, FastEthernet0/0
R 30.0.0.0/8 [120/1] via 2.2.2.3, 00:00:00, FastEthernet0/0
R3(config)#interface Lo0
R3(config-if)#shut
R4(config)#interface Lo0
R4(config-if)#shut
R2#sh ip route
Gateway of last resort is not set
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Serial1/0
2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, FastEthernet0/0
R1#sh ip route
Gateway of last resort is not set
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Serial1/0
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