R2#sh run | b Lo
interface Loopback0
 ip address 2.2.2.2 255.255.255.0
!
interface Loopback1
 ip address 223.254.254.254 255.255.255.255
 ip pim sparse-dense-mode
!
ip pim rp-candidate Loopback1 group-list 1 interval 5
ip msdp peer 3.3.3.3 connect-source Loopback0
!


R3#sh run | b Lo
interface Loopback0
 ip address 3.3.3.3 255.255.255.0
 ip pim sparse-dense-mode
!
interface Loopback1
 ip address 223.254.254.254 255.255.255.255
 ip pim sparse-dense-mode
!
ip pim rp-candidate Loopback1 group-list 1 interval 5
ip msdp peer 2.2.2.2 connect-source Loopback0
!