wat-edge-1#sho ip igmp group fa7/37
IGMP Connected Group Membership
Group Address    Interface                Uptime    Expires   Last Reporter
224.5.6.7        FastEthernet7/37         00:02:01  00:02:40  128.59.7.10
wat-edge-1## leave
wat-edge-1#sho ip igmp group fa7/37
IGMP Connected Group Membership
Group Address    Interface                Uptime    Expires   Last Reporter
wat-edge-1#