760 Configuring L2 Multicast FeaturesConfiguring MLD Snooping QuerierBeginning in Privileged EXEC mode, use the following commands toconfigure MLD snooping querier settings on the switch and on VLANs.ipv6 mld snoopingmaxresponsevlan-idsecondsSpecify the leave time-out value for the VLAN. If an MLDreport for a multicast group is not received within thenumber of seconds configured with this command afteran MLD leave was received from a specific interface, thecurrent VLAN is deleted from the member list of thatmulticast group.ipv6 mld snooping fast-leavevlan-idEnables MLD snooping fast-leave mode on the specifiedVLAN. Enabling fast-leave allows the switch toimmediately remove the layer 2 LAN interface from itsforwarding table entry upon receiving an MLD leavemessage for that multicast group without first sending outMAC-based general queries to the interface.ipv6 mld snoopingmcrtexpiretimevlan-idsecondsSpecify the multicast router time-out value for toassociate with a VLAN. This command sets the number ofseconds to wait to age out an automatically-learnedmulticast router port.CTRL + Z Exit to Privileged EXEC mode.show ipv6 mld snoopingvlanvlan-idView the MLD snooping settings on the VLAN.Command Purposeconfigure Enter global configuration mode.ipv6 mld snoopingquerierEnable the MLD snooping querier on the switch.vlan database Enter VLAN Configuration modeipv6 mld snoopingqueriervlan-id [addressipv6-address]Enable the MLD snooping querier on VLAN specifiedwith thevlan-id parameter.Use the optionalip-address parameter to specify the IPaddress that the snooping querier switch should use as thesource address when generating periodic queries.Command Purpose
