D-Link DGS-3630-28SC Manual - Page 714
ip igmp last-member-query-interval
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DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide Command Mode Interface Configuration Mode. Command Default Level Level: 12. Usage Guideline This command is only available for VLAN interface configuration. This command only takes effect when the interface has IP address configured. Example This example shows how to enable IGMP on VLAN 1. Switch# configure terminal Switch(config)# interface vlan1 Switch(config-if)# ip igmp enable Switch(config-if)# 51-4 ip igmp last-member-query-interval This command is used to configure the interval at which the router sends IGMP group-specific or group-sourcespecific (channel) query messages. Use the no form of the command to revert to the default setting. ip igmp last-member-query-interval SECONDS no ip igmp last-member-query-interval Parameters SECONDS Specifies the interval at which IGMP group-specific host query messages are sent. The range is from 1 to 25. Default By default, this value is 1 second. Command Mode Interface Configuration Mode. Command Default Level Level: 12. Usage Guideline When the router receives a leave message from a receiver to claim leave from a group or a channel, the router will send the group specific query or group-source specific query message to the receiver interface. The IGMP lastmember query interval will be advertised in the query message and conveyed to the receiver. This command configures the period that the router will send the next group-specific query or group-source specific query message if there is no report from receiver for the specific group or specific channel. The router will retry for the last member query count. If there is no report messages received after the retry count, the interface will be removed the membership from the specific group or specific channel. 709
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