1. Cheptais Router
R2#config t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#hostname Cheptais
Cheptais(config-if)#int fa0/1
Cheptais(config-if)#ip address 10.0.1.1 255.255.255.0
Cheptais(config-if)#no shut
Cheptais(config)#int fa0/0
Cheptais(config-if)#ip address 172.16.0.2 255.255.0.0
Cheptais(config-if)#no shut
Cheptais(config)#router ospf 1
Cheptais(config-router)#network 10.0.1.0 0.0.0.255 area 0
Cheptais(config-router)#network 172.16.0.0 0.0.255.255 area 0
Cheptais(config-router)#router-id 1.1.1.1
2. Kapso Router
R3#config t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#host
R3(config)#hostname Kapso
Kapso(config-if)#int fa0/1
Kapso(config-if)#no shut
Kapso(config-if)#ip address 90.10.0.1 255.255.255.0
Kapso(config)#int fa0/0
Kapso(config-if)#ip add
Kapso(config-if)#ip address 192.168.0.2 255.255.255.0
Kapso(config-if)#no shut
Kapso(config)#router ospf 1
Kapso(config-router)#network 192.168.0.0 0.0.0.255 area 1
Kapso(config-router)#network 90.10.0.0 0.0.0.255 area 1
Kapso(config-router)#router-id 3.3.3.3
3. Kopsiro Router
R1(config)#hostname Kopsiro
Kopsiro(config)#int fa0/0
Kopsiro(config-if)#ip address 192.168.0.1 255.255.255.0
Kopsiro(config-if)#no shut
Kopsiro(config-if)#int fa0/1
Kopsiro(config-if)#ip address 172.16.0.1 255.255.0.0
Kopsiro(config-if)#no shut
Kopsiro(config)#router ospf 1
Kopsiro(config-router)#network 192.168.0.0 0.0.0.255 area 1
Kopsiro(config-router)#network 172.16.0.0 0.0.255.255 area 0
Kopsiro(config-router)#router-id 2.2.2.2
TESTS
Kopsiro(config)#do show ip route ospf
10.0.0.0/24 is subnetted, 1 subnets
O 10.0.1.0 [110/20] via 172.16.0.2, 00:32:22, FastEthernet0/1
90.0.0.0/24 is subnetted, 1 subnets
O 90.10.0.0 [110/20] via 192.168.0.2, 00:35:39, FastEthernet0/0
Kopsiro(config)#
