R2#sh run | b interface Lo
interface Loopback0
 ip address 223.254.254.254 255.255.255.255
 ip pim sparse-dense-mode

ip pim bsr-candidate FastEthernet0/1 0
ip pim rp-candidate Loopback0 group-list 1 interval 10
ip msdp peer 180.40.7.129 connect-source FastEthernet0/1
ip msdp originator-id FastEthernet0/1
!

R3#sh run | b interface Lo
interface Loopback0
 ip address 223.254.254.254 255.255.255.255
 ip pim sparse-dense-mode

ip pim rp-candidate Loopback0 group-list 1 interval 10
ip msdp peer 180.40.7.98 connect-source FastEthernet0/1
ip msdp originator-id FastEthernet0/1
!