!
hostname Router_B
!
ip subnet-zero
ip dhcp excluded-address 172.16.1.1 172.16.1.10
!
ip dhcp pool sales
network 172.16.1.0 255.255.255.0
default-router 172.16.1.1
dns-server 172.16.1.2
!
interface Serial0
ip address 10.1.1.2 255.255.255.0
no fair-queue
!
ip classless
ip route 172.16.1.0 255.255.255.0 10.1.1.1
no ip http server
!