M
ULTICAST
F
ILTERING
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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.
IGMP immediate leave improves bandwidth management for all hosts in a
switched network.
Command Attributes
• VLAN ID – ID of configured VLAN (1-4094).
• Immediate Leave – Enable or disable IGMP immediate leave for the
selected VLAN.
Web – Click IGMP Snooping, IGMP Immediate Leave.
Figure 3-99. IGMP Immediate Leave
CLI – This example enables IGMP immediate leave for VLAN 1 and then
displays the current IGMP snooping status.
Console(config)#interface vlan 1
Console(config-if)#ip igmp snooping immediate-leave 4-272
Console(config-if)#end
Console#show ip igmp snooping 4-272
Service Status: Enabled
Querier Status: Disabled
Leave proxy status: Enabled
Query Count: 2
Query Interval: 125 sec
Query Max Response Time: 10 sec
Router Port Expire Time: 300 sec
Immediate Leave Processing: Enabled on VLAN 1,
IGMP Snooping Version: Version 2
Console#
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