enable
configure terminal
no ip domain-lookup
service password-encryption
hostname WEST
enable secret class
line console 0
password cisco
login
logging synchronous
exit
line vty 0 4
password cisco
login
exit
banner motd #Unauthorized access prohibited#
interface f0/1
ip address 172.16.1.1 255.255.255.0
no shutdown
exit
interface Serial0/1/0
ip address 10.1.1.1 255.255.255.252
clock rate 128000
no shutdown
exit
ip route 0.0.0.0 0.0.0.0 10.1.1.2
interface Tunnel0
ip address 172.16.12.1 255.255.255.252
tunnel source 10.1.1.1    
tunnel destination 10.2.2.1
no shutdown
exit
router ospf 1
network 172.16.1.0 0.0.0.255 area 0 
network 172.16.12.0 0.0.0.3 area 0
end
copy running-config startup-config