M
ULTICAST
F
ILTERING
C
OMMANDS
4-273
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 -228 for a description of the displayed items.
Example
The following shows the current IGMP snooping configuration:
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
Leave proxy status: Disabled
Query count: 10
Query interval: 100 sec
Query max response time: 20 sec
Router port expire time: 300 sec
Immediate Leave Processing: Disabled on all VLAN
IGMP snooping version: Version 2
Console#
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