LAB OSPF

R1(config)#in loopback 1

R1(config-if)#ip address 2.2.2.2 255.255.255.0

R1(config-if)#exit

R1(config)#in f0/0

R1(config-if)#ip address 192.168.10.65 255.255.255.192

R1(config-if)#no sh

R1(config)#router ospf 1

R1(config-router)#network 2.2.2.2 0.0.0.255 area 0

R1(config-router)#network 192.168.10.64 0.0.0.63 area 0

R2(config)#in loopback 2

R2(config-if)#ip address 5.5.5.5 255.255.255.0

R2(config)#in f0/0

R2(config-if)#ip address 192.168.10.66 255.255.255.192

R2(config-if)#no sh

R2(config)#router ospf 1

R2(config-router)#network 5.5.5.5 0.0.0.255 area 0

R2(config-router)#network 192.168.10.64 0.0.0.63 area 0

R3(config)#in loopback 3

R3(config-if)#ip address  9.9.9.9 255.255.255.0

R3(config)#in f0/0

R3(config-if)#ip address 192.168.10.67 255.255.255.192

R3(config-if)#no sh

R3(config)#router ospf 1

R3(config-router)#network 9.9.9.9 0.0.0.255 area 0

R3(config-router)#net 192.168.10.64 0.0.0.63 area 0

Các lệnh kiểm tra

R1#show ip route

R1#show ip ospf database

R1#show ip ospf interface fastEthernet 0/0

R1#ping 5.5.5.5

R1#ping 9.9.9.9