Allied Telesis AT-FS970M Series - Manual (Page 593)

AT-FS970M Switch Command Line User’s Guide
593
awplus> enable
awplus# configure terminal
awplus(config)# ip igmp snooping
awplus(config)# ip igmp snooping flood-unknown-mcast
This example enables the automatic suppression of unknown multicast
traffic on the switch:
awplus> enable
awplus# configure terminal
awplus(config)# no ip igmp snooping flood-unknown-mcast