!
hostname r4
ip forwarding
!
interface r4-eth0
  ip address 203.0.113.4/24
  ip ospf network point-to-multipoint
  ip ospf area 0.0.0.0
  !ip ospf prefix-suppression
!
interface r4-eth1
  ip address 10.0.4.1/24
  ip ospf passive
  ip ospf area 0.0.0.0
!
router ospf
  ospf router-id 10.0.0.4
!