!
interface r1-eth0
 ip address 192.168.2.1/24
!
interface r1-eth1
 ip address 192.168.3.1/24
!
interface r1-eth2
 ip address 192.168.4.1/24
!
interface r1-eth3
 ip address 192.168.5.1/24
!
interface r1-eth4
 ip address 192.168.6.1/24
!
ip forwarding
!