Accton Technology ES3528M-SFP manual Enabling Igmp Immediate Leave

Multicast Filtering 3

Web – Click IGMP Snooping, IGMP Configuration. Adjust the IGMP settings as required, and then click Apply. (The default settings are shown below.)

Figure 3-130 IGMP Configuration

CLI – This example modifies the settings for multicast filtering, and then displays the current status.

Console(config)#ip igmp snooping		querier	4-288
Console(config)#ip igmp snooping			4-292
Console(config)#ip igmp snooping		query-count 10	4-293
Console(config)#ip igmp snooping		query-interval 100	4-293
Console(config)#ip igmp snooping		query-max-response-time 20	4-294
Console(config)#ip igmp snooping		router-port-expire-time 300	4-295
Console(config)#ip igmp snooping		version 2	4-289
Console(config)#exit
Console#show ip igmp snooping			4-289
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#

Enabling IGMP Immediate Leave

The switch can be configured to immediately delete a member port of a multicast service if a leave packet is received at that port and the immediate-leave function is enabled for the parent VLAN.

Command Usage

•If immediate leave is not used, a multicast router (or querier) will send a group-specific query message when an IGMPv2/v3 group leave message is received. The router/querier stops forwarding traffic for that group only if no host replies to the query within the specified timeout perid. Note that the timeout period

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