Configure IP Address and OSPF on Routers
Configure the IP addresses and OSPF on the PE1, P1,P2, PE2 and PE3 routers.
PE1
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#configure terminal |
Enter configure mode. |
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(config)#interface lo |
Specify the loopback interface (lo0) to be configured. |
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(config-if)#ip address 1.1.1.1/32 secondary |
Set the IP address of the loopback interface to 1.1.1.1/ 32. |
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(config-if)#exit |
Exit interface mode. |
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(config)#interface xe6 |
Specify the interface (xe6) to be configured. |
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(config-if)#ip address 40.1.1.1/24 |
Set the IP address of the interface to 40.1.1.1/24 |
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(config)#interface xe1 |
Specify the interface (xe1) to be configured. |
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(config-if)#ip address 20.20.20.1/24 |
Set the IP address of the interface to 20.20.20.1/24 |
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(config-if)#exit |
Exit interface mode. |
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(config)#router ospf 100 |
Configure the routing process and specify the Process ID (100). The Process ID should be a unique positive integer identifying the routing process. |
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(config-router)#network 40.1.1.0/24 area 0 (config-router)#network 1.1.1.1/32 area 0 (config-router)# network 20.20.20.0/24 area 0 |
Define the interface on which OSPF runs and associate the area ID (0) with the interface. |
P1
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#configure terminal |
Enter configure mode. |
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(config)#interface lo |
Specify the loopback interface (lo0) to be configured. |
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(config-if)#ip address 4.4.4.4/32 secondary |
Set the IP address of the loopback interface to 9.9.9.9/ 32. |
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(config-if)#exit |
Exit interface mode. |
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(config)#interface xe1/1 |
Specify the interface (xe1/1) to be configured. |
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(config-if)#ip address 40.1.1.2/24 |
Set the IP address of the interface to 40.1.1.2/24. |
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(config-if)#exit |
Exit interface mode. |
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(config)#interface xe33 |
Specify the interface (xe33) to be configured. |
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(config-if)#ip address 50.1.1.2/24 |
Set the IP address of the interface to 50.1.1.1/24. |
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(config-if)#exit |
Exit interface mode. |
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(config)#router ospf 100 |
Configure the routing process and specify the Process ID (100). The Process ID should be a unique positive integer identifying the routing process. |
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(config-router)#network 40.1.1.0/24 area 0 (config-router)#network 50.1.1.0/24 area 0 (config-router)#network 4.4.4.4/32 area 0 |
Define the interface on which OSPF runs and associate the area ID (0) with the interface. |
P2
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#configure terminal |
Enter configure mode. |
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(config)#interface lo |
Specify the loopback interface (lo0) to be configured. |
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(config-if)#ip address 5.5.5.5/32 secondary |
Set the IP address of the loopback interface to 5.5.5.5/ 32. |
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(config-if)#exit |
Exit interface mode. |
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(config)#interface xe6 |
Specify the interface (xe1/1) to be configured. |
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(config-if)#ip address 70.1.1.1/24 |
Set the IP address of the interface to 70.1.1.1/24. |
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(config-if)#exit |
Exit interface mode. |
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(config)#interface xe47 |
Specify the interface (xe47) to be configured. |
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(config-if)#ip address 20.20.20.2/24 |
Set the IP address of the interface to 20.20.20.2/24. |
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(config-if)#exit |
Exit interface mode. |
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(config)#router ospf 100 |
Configure the routing process and specify the Process ID (100). The Process ID should be a unique positive integer identifying the routing process. |
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(config-router)#network 20.20.20.20/24 area 0 (config-router)#network 70.1.1.0/24 area 0 (config-router)#network 5.5.5.5/32 area 0 |
Define the interface on which OSPF runs and associate the area ID (0) with the interface. |
PE2
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#configure terminal |
Enter configure mode. |
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(config)#interface lo |
Specify the loopback interface (lo0) to be configured. |
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(config-if)#ip address 2.2.2.2/32 secondary |
Set the IP address of the loopback interface to 2.2.2.2/ 32. |
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(config-if)#exit |
Exit interface mode. |
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(config)#interface xe33 |
Specify the interface (xe33) to be configured. |
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(config-if)#ip address 50.1.1.1/24 |
Set the IP address of the interface to 50.1.1.1/24 |
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(config-if)#exit |
Exit interface mode. |
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(config)#router ospf 100 |
Configure the routing process and specify the Process ID (100). The Process ID should be a unique positive integer identifying the routing process. |
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(config-router)#network 50.1.1.0/24 area 0 (config-router)#network 2.2.2.2/32 area 0 |
Define the interface on which OSPF runs, and associate the area ID (0) with the interface. |
PE3
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#configure terminal |
Enter configure mode. |
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(config)#interface lo |
Specify the loopback interface (lo0) to be configured. |
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(config-if)#ip address 3.3.3.3/32 secondary |
Set the IP address of the loopback interface to 3.3.3.3/ 32. |
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(config-if)#exit |
Exit interface mode. |
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(config)#interface xe6 |
Specify the interface (xe33) to be configured. |
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(config-if)#ip address 70.1.1.2/24 |
Set the IP address of the interface 70.1.1.2/24 |
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(config-if)#exit |
Exit interface mode. |
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(config)#router ospf 100 |
Configure the routing process and specify the Process ID (100). The Process ID should be a unique positive integer identifying the routing process. |
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(config-router)#network 70.1.1.0/24 area 0 (config-router)#network 3.3.3.3/32 area 0 |
Define the interface on which OSPF runs, and associate the area ID (0) with the interface. |