S6#sh run int fa 0/2
Building configuration...

Current configuration : 150 bytes
!
interface FastEthernet0/2
 no switchport
 ip address 180.40.7.97 255.255.255.224
 ip pim sparse-dense-mode
 ip igmp join-group 225.225.225.225
end

S6#


R1#ping 225.225.225.225

Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 225.225.225.225, timeout is 2 seconds:

Reply to request 0 from 180.40.7.97, 104 ms
Reply to request 0 from 180.40.7.97, 181 ms
Reply to request 0 from 180.40.7.97, 132 ms
R1#