Router Name: Cork

Router >enable

Router #configure terminal

Router (config) #hostname Cork

Cork (config) #enable password cisco

Cork (config) #enable secret class

Cork (config) #line console 0

Cork (config-line) #password cisco

Cork (config-line) #login

Cork (config-line) #line vty 0 4

Cork (config-line) #password cisco

Cork (config-line) #login

Cork (config-line) #exit

Cork (config) #

Cork (config) #interface serial 0

Cork (config-if) #ip address 172.16.12.9 255.255.255.252

Cork (config-if) #clock rate 64000

Cork (config-if) #no shutdown

Cork (config-if) #exit

Cork (config) #

Cork (config) #interface serial 1

Cork (config-if) #ip address 172.16.12.6 255.255.255.252

Cork (config-if) #clock rate 64000

Cork (config-if) #no shutdown

Cork (config-if) #exit

Cork (config) #

Cork (config) #interface ethernet 0

Cork (config-if) #ip address 172.16.12.13 255.255.255.252

Cork (config-if) #no shutdown

Cork (config-if) #exit

Cork (config) #interface ethernet 0/0.1

Cork (config-subif) #encapsulation 802.1q 1

Cork (config-subif) #ip address 192.168.1.1 255.255.255.0

Cork (config-subif) #exit

Cork (config) #interface ethernet 0/0.2

Cork (config-subif) #encapsulation 802.1q 2

Cork (config-subif) #ip address 192.168.2.1 255.255.255.0

Cork (config-subif) #exit

Cork (config) #interface ethernet 0/0.3

Cork (config-subif) #encapsulation 802.1q 3

Cork (config-subif) #ip address 192.168.3.1 255.255.255.0

Cork (config-subif) #exit

Cork (config) #

Cork (config) #router ospf 1

Cork (config-router) #network 172.16.12.9 0.0.0.3 area 0

Cork (config-router) #network 172.16.12.4 0.0.0.3 area 0

Cork (config-router) #network 172.16.8.0 0.0.3.255 area 0

Cork (config-router) #exit

Cork (config) #

Cork (config) #interface serial 0

Cork (config-if) #encapsulation frame-relay IETF

Cork (config-if) #frame-relay lmi-type ansi

Cork (config-if) #exit

Cork (config) #exit

Cork #

Cork #copy running-config startup-config