Multimedia traffic control with IP multicast (IGMP) Overview of IGMP Enabling IGMP Configuring and displaying IGMP (CLI) ip igmp fastleave ip igmp forcedfastleave Configuring IGMP proxy (CLI) IGMP general operation and features How IGMP operates About using the switch as querier Well-known or reserved multicast addresses excluded from IP multicast filtering IP multicast filters IGMPv3