hostname r1
ip forwarding
ipv6 forwarding

int r1-eth0
  ip addr 192.168.1.1/24
!
int r1-eth1
  ip addr 192.168.2.1/24
!
int lo
  ip addr 192.0.2.1/32
!
int r1-eth1
  ip addr 192.168.2.1/24
!