Netgear FSM726v3 7200 managed switch v8.x CLI reference manual - Page 176
set igmp interfacemode, set igmp fast-leave
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Managed Switch CLI Manual, Release 8.0 set igmp interfacemode This command enables IGMP Snooping on all interfaces. If an interface has IGMP Snooping enabled and you enable this interface for routing or enlist it as a member of a port-channel (LAG), IGMP Snooping functionality is disabled on that interface. IGMP Snooping functionality is reenabled if you disable routing or remove port-channel (LAG) membership from an interface that has IGMP Snooping enabled. Default Format Mode disabled set igmp interfacemode Global Config no set igmp interfacemode This command disables IGMP Snooping on all interfaces. Format Mode no set igmp interfacemode Global Config set igmp fast-leave This command enables or disables IGMP Snooping fast-leave admin mode on a selected interface or VLAN. Enabling fast-leave allows the switch to immediately remove the layer 2 LAN interface from its forwarding table entry upon receiving an IGMP leave message for that multicast group without first sending out MAC-based general queries to the interface. You should enable fast-leave admin mode only on VLANs where only one host is connected to each layer 2 LAN port. This prevents the inadvertent dropping of the other hosts that were connected to the same layer 2 LAN port but were still interested in receiving multicast traffic directed to that group. Also, fast-leave processing is supported only with IGMP version 2 hosts. Default Format Mode disabled set igmp fast-leave Interface Config Format Mode set igmp fast-leave VLAN Config Switching Commands v1.0, July 2009 3-140
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