debug ip igmp source

Matches the source of the control packet or IGMP V3 source packets.
Syntax
debug ip igmp source ipaddr
no debug ip igmp source ipaddr
Parameters
ipaddr
Specifies the IP address of the IGMP source.
Modes

Privileged EXEC mode

Examples
device# debug ip igmp protocol
device# debug ip igmp source 1.2.2.1
Jun 15 15:25:12:801836:info:fi_debug:debug_logs:1:61777277620323072: IGMP.VRF0: [ Port 1/2/2,1/2/2 ] General Query Timer expired. Sending Query version 3
Jun 15 15:25:12:802386:info:fi_debug:debug_logs:1:61777277620323072: IGMP.VRF0: [ Port 1/2/2,1/2/2. Grp 0.0.0.0 ] Sent version 3 Query. size 12. Src 1.2.2.1
Jun 15 15:25:12:802480:info:fi_debug:debug_logs:1:61777277620323072: IGMP.VRF0: [ Port 1/2/2,1/2/2 ] Sent General Query version 3 using src 1.2.2.1
Jun 15 15:25:15:831561:info:fi_debug:debug_logs:1:61779803061093120: IGMP.VRF2: [ Port 1/1/39,1/1/39 ] General Query Timer expired. Sending Query version 3