hostname r2
!
interface r2-eth0
 ip address 10.0.20.2/24
  ip igmp
  ip pim
  ip igmp proxy
!
interface r2-eth1
 ip address 10.0.80.1/24
 ip igmp
 ip pim passive
!
interface lo
 ip address 10.254.0.2/32
!
router pim
  rp 10.254.0.3
  join-prune-interval 5