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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
21.2.7 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
21.2.8 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.
Parameter: vlan-id: is ID number of the VLAN, ranging is <1-4094>.
Command Mode: Global mode
Default: VLAN is not as the IGMP Snooping layer 2 general querier.
Usage Guide: It is recommended to configure a layer 2 general querier on a segment.
IGMP Snooping function will be enabled by this command if not enabled on this VLAN
before configuring this command, IGMP Snooping function will not be disabled when