Cisco Catalyst 3550 Command Reference Manual page 144

ip igmp snooping
This example shows how to configure Gigabit Ethernet interface 0/2 as a multicast router port:
Switch(config)# ip igmp snooping vlan 1 mrouter interface gigabitethernet0/2
This example shows how to specify the multicast router learning method as CGMP:
Switch(config)# no ip igmp snooping vlan 1 mrouter learn cgmp
This example shows how to configure a host statically on an interface:
Switch(config)# ip igmp snooping vlan 1 static 0100.5e02.0203 interface gigabitethernet0/6
Configuring port gigabitethernet0/6 on group 0100.5e02.0203
Switch(config)#
You can verify your settings by entering the show ip igmp snooping privileged EXEC command.
Related Commands Command
ip igmp snooping
report-suppression
ip igmp snooping
source-only-learning age-timer
show ip igmp profile
show mac address-table multicast
Catalyst 3550 Multilayer Switch Command Reference
2-118
Description
Enables IGMP report suppression.
Enables and configures the aging time of the forward-table
entries that the switch learns by using the source-only learning
method.
Displays the snooping configuration.
Displays the Layer 2 multicast entries for a VLAN.
Chapter 2 Cisco IOS Commands
78-11195-09