Comtrol ES7510-XT - Manual (Page 179)

180 - Multicast Filtering (CLI) RocketLinx ES7510-XT User Guide: 2000571 Rev. D
Configuration Using the Command Line Interface (CLI)
IGMP Query (Continued)
Display
Switch# sh ip igmp
interface vlan1
enabled: Yes
version: IGMPv2
query-interval: 125s
query-max-response-time: 10s
Force Filtering
Enable
Switch(config)# mac-address-table force filtering
Filtering unknown multicast addresses ok!
Disable
Switch(config)# no mac-address-table force filtering
Flooding unknown multicast addresses ok!