Cisco Catalyst 2960 Command Reference Manual page 401

Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
Command
ip igmp snooping vlan static
show ip igmp snooping groups
show ip igmp snooping mrouter
show ip igmp snooping querier
OL-8604-03
Description
Statically adds a Layer 2 port as a member of a multicast
group.
Displays the IGMP snooping multicast table for the switch.
Displays IGMP snooping multicast router ports for the
switch or for the specified multicast VLAN.
Displays the configuration and operation information for
the IGMP querier configured on a switch.
Catalyst 2960 Switch Command Reference
show ip igmp snooping
2-477