hostname R1
!
!
interface Loopback0
 ip address 172.22.81.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 172.22.0.1 255.255.255.192
 duplex auto
 speed auto
 no shut
!
interface Serial0/0
 ip address 172.22.124.1 255.255.255.224
 clockrate 128000
 no shut
!
!
no ip domain-lookup
line con 0
 loggin sync
 exec-timeout 0 0
 no login
 privilege level 15
line aux 0
line vty 0 4
 password cisco
 login
line vty 5 15
 password cisco
 login
!
end