R2#sh run | i ip pim send
ip pim send-rp-discovery scope 3
R2#
RACK14AS>3
[Resuming connection 3 to r3 ... ]

R3#sh run | b ip pim send
ip pim send-rp-announce FastEthernet0/1 scope 1 group-list 1 interval 10
ip pim register-rate-limit 2
!
access-list 1 deny   224.20.68.1
access-list 1 permit any