Use the show ip igmp sender command to display information about the IGMP senders. The syntax for this command is as follows.
show ip igmp sender [count] [member-subnet {default|A.B.C.D/X}] [group {A.B.C.D}] [vrf WORD <0-16>] [vrfids WORD <0-512>]
The following table shows the field descriptions for this command.
| Field | Description | 
|---|---|
| GRPADDR | Indicates the IP multicast address. | 
| IFINDEX | Indicates the interface index number. | 
| MEMBER | Indicates the IP address of the host. | 
| PORT/MLT | Indicates the IGMP sender ports. | 
| STATE | Indicates if a sender exists because of an IGMP access filter. Options include filtered and nonfiltered. | 
| L2ISID | Indicates the I-SID associated with the Layer 2 interface. | 
Display information about IGMP senders:
Switch:1#show ip igmp sender
=============================================================================
                           Igmp Sender - GlobalRouter
=============================================================================
                                           PORT/
GRPADDR         IFINDEX    MEMBER          MLT        STATE           L2ISID
-----------------------------------------------------------------------------
239.0.0.1       Vlan 60    20.0.60.105     MLT-2      NOTFILTERED     1100
239.0.0.2       Vlan 60    20.0.60.105     MLT-2      NOTFILTERED     1100
239.0.0.3       Vlan 60    20.0.60.105     MLT-2      NOTFILTERED     1100
239.0.0.4       Vlan 60    20.0.60.105     MLT-2      NOTFILTERED     1100
239.0.0.5       Vlan 60    20.0.60.105     MLT-2      NOTFILTERED     1100
5 out of 5 entries displayed