Ip Igmp Snooping Vlan Immediate-Leave - Cisco Catalyst 3750 Metro Command Reference Manual

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Catalyst 3750 Metro 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

IGMP immediate-leave processing is disabled.

Command Modes

Global configuration

Command History

Usage Guidelines

VLAN IDs 1002 to 1005 are reserved for Token Ring and FDDI VLANs and cannot be used in IGMP

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.

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.

Related Commands

ip igmp snooping report-suppression

show ip igmp snooping

show ip igmp snooping groups

show ip igmp snooping querier

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

Enables IGMP report suppression.

Displays the snooping configuration.

Displays IGMP snooping multicast information.

Displays the IGMP snooping router ports.

Displays the configuration and operation information for

the IGMP querier configured on a switch.

Catalyst 3750 Metro Switch Command Reference