Allied Telesis AT-S63 - Manual (Page 233)

AT-S63 Management Software Features Guide
Section III: Snooping Protocols 233
2. To enable IGMP snooping:
awplus(config)# ip igmp snooping
3. To enable IGMP snooping querier and apply it to the VLAN:
awplus(config)# ip igmp querier-list 1
awplus(config)# exit
4. To confirm the routing interface:
awplus# show ip interface
5. To confirm that IGMP snooping and IGMP snooping querier are
enabled on the switch and that the interface is functioning as the
querier:
awplus# show ip igmp snooping
6. To save the configuration:
awplus# write