Topology
Description: Left run OSPF, right run EIGRP, redistribution routing protocol
Controlling routing updates with access lists and prefix lists
Rejected routing of 5.5.0.0 5.5.1.0 5.5.2.0 5.5.3.0 in the OSPF routing protocol domain
Deny routing of 15.5.16.0/20 15.5.64.0/18 in OSPF routing protocol domain
Configuration Instructions
1. Configure the IP address on all routers and configure the routing protocol as shown in the figure above
2. Configure redistribution on R3 to ensure R1 See all loopback routing R5
R1#show IP route OSPF
34.0.0.0/24 is subnetted, 1 subnets
O E2 34.1.1.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
5.0.0.0/24 is subnetted, 6 subnets
O E2 5.5.0.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 5.5.1.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 5.5.2.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 5.5.3.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 5.5.4.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 5.5.5.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
23.0.0.0/24 is subnetted, 1 subnets
O 23.1.1.0 [110/128] via 12.1.1.2, 00:32:48, serial0/0
45.0.0.0/24 is subnetted, 1 subnets
O E2 45.1.1.0 [110/20] via 12.1.1.2, 00:00:12, serial0/0
15.0.0.0/8 is variably subnetted, 4 subnets, 4 masks
O E2 15.4.0.0/16 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 15.5.16.0/20 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 15.5.64.0/18 [110/20] via 12.1.1.2, 00:00:12, serial0/0
O E2 15.5.129.0/26 [110/20] via 12.1.1.2, 00:00:12, serial0/0
r1#
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