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IPv4 Multicast Protocol
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33.2.6 ip igmp snooping vlan
Command: ip igmp snooping vlan <vlan-id>
no ip igmp snooping vlan <vlan-id>
Function: Enable the IGMP Snooping function for the specified VLAN; the “no ip igmp
snooping vlan <vlan-id>” command disables the IGMP Snooping function for the
specified VLAN.
Parameter: <vlan-id> is the VLAN number.
Command mode: Global Mode
Default: IGMP Snooping is disabled by default.
Usage Guide: To configure IGMP Snooping on specified VLAN, the global IGMP
Snooping should be first enabled. Disable IGMP Snooping on specified VLAN with the
“no ip igmp snooping vlan <vlan-id>” command.
Example: Enable IGMP Snooping for VLAN 100 in Global Mode.
Switch(config)#ip igmp snooping vlan 100
33.2.7 ip igmp snooping vlan immediate-leave
Command: ip igmp snooping vlan <vlan-id> immediate-leave
no ip igmp snooping vlan <vlan-id> immediate-leave
Function: Enable the IGMP Snooping fast leave function for the specified VLAN; the “no
ip igmp snooping vlan <vlan-id> immediate-leave” command disables the IGMP
Snooping fast leave function.
Parameter: <vlan-id> is the VLAN number specified.
Command mode: Global Mode
Default: This function is disabled by default.
Usage Guide: Enable immediate-leave function of the IGMP Snooping in specified
VLAN; the“no” form of this command disables the immediate-leave function of the IGMP
Snooping.
Example: Enable the IGMP Snooping fast leave function for VLAN 100.
Switch(config)#ip igmp snooping vlan 100 immediate-leave
33.2.8 ip igmp snooping vlan l2-general-querier
Command: ip igmp snooping vlan < vlan-id > l2-general-querier
no ip igmp snooping vlan < vlan-id > l2-general-querier
Function: Set this VLAN to layer 2 general querier.