Ip Igmp Snooping Vlan Immediate-Leave - Cisco Catalyst 2960 Command Reference Manual

Chapter 2 Catalyst 2960 Switch Cisco IOS Commands

ip igmp snooping vlan immediate-leave

Use the ip igmp snooping immediate-leave global configuration command to enable Internet Group
Management Protocol (IGMP) snooping immediate-leave processing on a per-VLAN basis. Use the no
form of this command to return to the default setting.
Syntax Description
vlan-id
Defaults
IGMP immediate-leave processing is disabled.
Command Modes Global configuration
Command History Release
12.2(25)FX
Usage Guidelines VLAN IDs 1002 to 1005 are reserved for Token Ring and FDDI VLANs and cannot be used in IGMP
snooping.
You should configure the Immediate- Leave feature only when there is a maximum of one receiver on
every port in the VLAN. The configuration is saved in NVRAM.
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 1:
Switch(config)# ip igmp snooping vlan 1 immediate-leave
You can verify your settings by entering the show ip igmp snooping privileged EXEC command.
OL-8604-04
ip igmp snooping vlan vlan-id immediate-leave
no ip igmp snooping vlan vlan-id immediate-leave
Enable IGMP snooping and the Immediate-Leave feature on the specified
VLAN. The range is 1 to 1001 and 1006 to 4094.
Modification
This command was introduced.
ip igmp snooping vlan immediate-leave
Catalyst 2960 Switch Command Reference
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