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Figure 3-135 igmp immediate leave – SMC Networks SMC Tiger 10/100 SMC6128PL2 User Manual

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Configuring the Switch

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is determined by the IGMP Query Report Delay (see “Configuring IGMP Snooping
and Query Parameters” on page 3-221).

• If immediate leave is enabled, the switch assumes that only one host is connected

to the interface. Therefore, immediate leave should only be enabled on an interface
if it is connected to only one IGMP-enabled device, either a service host or a
neighbor running IGMP snooping.

• Immediate leave is only effective if IGMP snooping is enabled, and IGMPv2 or

IGMPv3 snooping is used.

Command Attributes
VLAN ID – VLAN Identifier. (Range: 1-4093).
Immediate Leave – Sets the status for immediate leave on the specified VLAN.

(Default: Disabled)

Web – Click IGMP Snooping, IGMP Immediate Leave. Select the VLAN interface to
configure, set the status for immediate leave, and click Apply.

Figure 3-135 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

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Console(config-if)#end
Console#show ip igmp snooping

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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#