SMC Networks SMC6724L3 Management Manual page 189

Web – Click IGMP Snooping, Static Multicast Router Port Configuration.
Specify the interfaces attached to a multicast router, indicate the VLAN
which will forward all the corresponding multicast traffic, and then click
Add. After you have finished adding interfaces to the list, click Apply.
CLI – This example configures port 11 as a multicast router port within
VLAN 1.
Console(config)#ip igmp snooping vlan 1 mrouter
ethernet 1/11
Console(config)#exit
Console#show ip igmp snooping mrouter vlan 1
VLAN M'cast Router Port Type
---- ------------------ -------
1 Eth 1/11 Static
M F
ULTICAST ILTERING
4-286
4-287
3-141