!
hostname Router_B
!
ip subnet-zero
!
interface Loopback0
ip address 172.16.0.1 255.255.255.0
!
interface Loopback1
ip address 172.16.1.1 255.255.255.0
!
interface Loopback2
ip address 172.17.0.1 255.255.255.0
no ip directed-broadcast
!
interface Loopback3
ip address 172.17.1.1 255.255.255.0
!
interface Serial0
bandwidth 64
ip address 10.0.0.1 255.255.255.252
!
interface Serial1
bandwidth 64
ip address 30.0.0.1 255.255.255.252
!
router rip
network 10.0.0.0
network 30.0.0.0
network 172.16.0.0
network 172.17.0.0
!
ip classless
!