!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Router_A
!
enable password cisco
!
ip subnet-zero
!
interface Ethernet0/0
ip address 10.0.0.1 255.0.0.0
!
interface Serial0/0
bandwidth 64
ip address 172.16.0.1 255.255.0.0
clockrate 64000
!
interface Ethernet0/1
ip address 20.0.0.1 255.0.0.0
!
interface Serial0/1
bandwidth 64
ip address 172.17.0.1 255.255.0.0
clockrate 64000
!
ip classless
!
line con 0
exec-timeout 0 0
transport input none
line aux 0
line vty 0 4
password cisco
login
!
end