R1#
R1#sh ip mroute
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
       L - Local, P - Pruned, R - RP-bit set, F - Register flag,
       T - SPT-bit set, J - Join SPT, M - MSDP created entry, E - Extranet,
       X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
       U - URD, I - Received Source Specific Host Report,
       Z - Multicast Tunnel, z - MDT-data group sender,
       Y - Joined MDT-data group, y - Sending to MDT-data group,
       V - RD & Vector, v - Vector
Outgoing interface flags: H - Hardware switched, A - Assert winner
 Timers: Uptime/Expires
 Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 239.255.255.250), 00:08:20/00:02:13, RP 2.2.2.2, flags: SC
  Incoming interface: FastEthernet0/1, RPF nbr 192.168.12.2
  Outgoing interface list:
    FastEthernet0/0, Forward/Sparse, 00:07:46/00:02:13

(*, 224.0.1.40), 01:46:15/00:02:33, RP 2.2.2.2, flags: SCL
  Incoming interface: FastEthernet0/1, RPF nbr 192.168.12.2
  Outgoing interface list:
    FastEthernet0/0, Forward/Sparse, 01:46:14/00:02:20

R1#