wat-edge-1#sho ip mroute 224.5.6.7
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, 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, X - Proxy Join Timer Running
       A - Candidate for MSDP Advertisement, U - URD, 
       I - Received Source Specific Host Report 
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 224.5.6.7), 00:00:03/stopped, RP 128.59.0.15, flags: SP
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list: Null

(128.59.7.10, 224.5.6.7), 00:00:03/00:02:56, flags: PT
  Incoming interface: FastEthernet7/37, RPF nbr 0.0.0.0, RPF-MFD
  Outgoing interface list: Null

wat-edge-1#sho ip mroute 224.5.6.7
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, 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, X - Proxy Join Timer Running
       A - Candidate for MSDP Advertisement, U - URD, 
       I - Received Source Specific Host Report 
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 224.5.6.7), 00:00:37/stopped, RP 128.59.0.15, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    FastEthernet7/37, Forward/Sparse, 00:00:01/00:02:58

(128.59.7.10, 224.5.6.7), 00:00:37/00:02:50, flags: PTA
  Incoming interface: FastEthernet7/37, RPF nbr 0.0.0.0, RPF-MFD
  Outgoing interface list: Null

wat-edge-1## host 11 joins
wat-edge-1#sho ip mroute 224.5.6.7
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, 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, X - Proxy Join Timer Running
       A - Candidate for MSDP Advertisement, U - URD, 
       I - Received Source Specific Host Report 
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 224.5.6.7), 00:01:07/stopped, RP 128.59.0.15, flags: SJC
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    FastEthernet7/37, Forward/Sparse, 00:00:31/00:02:59

(128.59.7.10, 224.5.6.7), 00:01:07/00:02:50, flags: PTA
  Incoming interface: FastEthernet7/37, RPF nbr 0.0.0.0, RPF-MFD
  Outgoing interface list: Null

wat-edge-1#sho ip mroute 224.5.6.7
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, 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, X - Proxy Join Timer Running
       A - Candidate for MSDP Advertisement, U - URD, 
       I - Received Source Specific Host Report 
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 224.5.6.7), 00:01:36/stopped, RP 128.59.0.15, flags: SP
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list: Null

(128.59.7.10, 224.5.6.7), 00:01:36/00:02:51, flags: PTA
  Incoming interface: FastEthernet7/37, RPF nbr 0.0.0.0, RPF-MFD
  Outgoing interface list: Null

wat-edge-1## host 11 leaves
wat-edge-1#sho ip mroute 224.5.6.7
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, 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, X - Proxy Join Timer Running
       A - Candidate for MSDP Advertisement, U - URD, 
       I - Received Source Specific Host Report 
Outgoing interface flags: H - Hardware switched, A - Assert winner
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 224.5.6.7), 00:02:19/stopped, RP 128.59.0.15, flags: SP
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list: Null

(128.59.7.10, 224.5.6.7), 00:02:19/00:02:59, flags: PTA
  Incoming interface: FastEthernet7/37, RPF nbr 0.0.0.0, RPF-MFD
  Outgoing interface list: Null

wat-edge-1## host 10 stops sending
wat-edge-1#