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Modifying the Last-Member Query Interval

The last-member query interval is the maximum amount of time between group-specific query messages, including those sent in response to leave-group messages. You can lower this interval to reduce the amount of time it takes a router to detect the loss of the last member of a group.

The default last-member query interval is 1 second. To modify this interval, include the query-last-member-interval statement:

query-last-member-interval seconds;

You can include this statement at the following hierarchy levels:

The last-member query interval can be from 1 through 1024 seconds.


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