!
hostname Router_B
!
enable password cisco
!
interface Ethernet0
ip address 172.18.0.1 255.255.0.0
!
interface Serial0
ip address 172.17.0.2 255.255.0.0
no fair-queue
!
router rip
network 172.17.0.0
network 172.18.0.0
!
ip classless
logging buffered
!
line con 0
exec-timeout 0 0
line vty 0 4
password cisco
login
!
end