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Command Line Interface
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4
Default Setting
Disabled
Command Mode
Interface Configuration (VLAN)
Command Usage
The IGMP snooping immediate-leave feature enables a Layer 2 LAN interface
to be removed from the multicast forwarding table without first sending an
IGMP group-specific query to the interface. Upon receiving a group-specific
IGMPv2 leave message, the switch immediately removes the interface from
the Layer 2 forwarding table entry for that multicast group, unless a multicast
router was learned on the port.
Example
show ip igmp snooping
This command shows the IGMP snooping configuration.
Default Setting
None
Command Mode
Privileged Exec
Command Usage
See “Configuring IGMP Snooping and Query Parameters” on page 3-171 for a
description of the displayed items.
Example
The following shows the current IGMP snooping configuration:
show mac-address-table multicast
This command shows known multicast addresses.
Console(config)#interface vlan 1
Console(config-if)#ip igmp snooping immediate-leave
Console(config-if)#
Console#show ip igmp snooping
Service status: Enabled
Querier status: Enabled
Query count: 2
Query interval: 125 sec
Query max response time: 10 sec
Router port expire time: 300 sec
IGMP snooping version: Version 2
Console#