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IGMP Query V2
Switch(config)# int vlan 1 (Go to management VLAN)
Switch(config-if)# ip igmp
IGMP Query version
Switch(config-if)# ip igmp version 1
Switch(config-if)# ip igmp version 2
Disable
Switch(config)# int vlan 1
Switch(config-if)# no ip igmp
Display
Switch# sh ip igmp
interface vlan1
enabled: Yes
version: IGMPv2
query-interval: 125s
query-max-response-time: 10s
Switch# show running-config
….
!
interface vlan1
ip address 192.168.10.17/24
ip igmp
no shutdown
!
…….
Force filtering
Enable Force filtering
Disable Force filtering
Switch(config)# mac-address-table multicast filtering
Filtering unknown multicast addresses ok!
Switch(config)# no mac-address-table multicast filtering
Flooding unknown multicast addresses ok!