Configuring forced fast-leave IGMP

For information about forced fast-leave, see Forced fast-leave IGMP.

Syntax:


vlan <vid> ip igmp forcedfastleave <port-list>
no vlan <vid> ip igmp forcedfastleave <port-list>

Enables IGMP forced fast-leave on the specified ports in the selected VLAN, even if they are cascaded.

The no form of the command disables forced fast-leave on the specified ports in the selected VLAN.

Use show running to display the ports per-VLAN on which forced fast-leave is enabled.

Default: Disabled

show running-config

Displays a nondefault IGMP forced fast-leave configuration on a VLAN. If configured, the show running-config output does not include forced fast-leave.

forcedfastleave

Can be used when there are multiple devices attached to a port.