Ip Igmp Snooping Vlan Immediate-Leave - Cisco 4500M Command Reference Manual

Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches

ip igmp snooping vlan immediate-leave

To enable IGMP immediate-leave processing, use the ip igmp snooping vlan immediate-leave
command. To disable immediate-leave processing, use the no form of this command.
Syntax Description
vlan_num
immediate-leave
Defaults
Immediate leave processing is disabled.
Command Modes
Global configuration
Command History Release
12.1(8a)EW
12.1(12c)EW
Usage Guidelines
You enter this command in global configuration mode only.
Use the immediate-leave feature only when there is a single receiver for the MAC group for a specific
VLAN.
The immediate-leave feature is supported only with IGMP version 2 hosts.
Examples
This example shows how to enable IGMP immediate-leave processing on VLAN 4:
Switch(config)# ip igmp snooping vlan 4 immediate-leave
Switch(config)#
This example shows how to disable IGMP immediate-leave processing on VLAN 4:
Switch(config)# no ip igmp snooping vlan 4 immediate-leave
Switch(config)#
Related Commands
ip igmp snooping
ip igmp snooping vlan mrouter
ip igmp snooping vlan static
show ip igmp interface (refer to Cisco IOS documentation)
show mac-address-table multicast
78-16201-01
ip igmp snooping vlan vlan_num immediate-leave
no ip igmp snooping vlan vlan_num immediate-leave
Number of the VLAN; valid values are from 1 to 4094.
Enables immediate leave processing.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Support for extended addressing was added.
Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
ip igmp snooping vlan immediate-leave
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