KTI Networks KGS-2416 User Manual page 194

Last Member Query Count :
To set last member Query Count on Switch .
Available value: 1-16 times
Last Member Query Interval :
The last member query interval is the amount of time in seconds
between IGMP last member Query messages sent by the router (if the
router is the querier on this subnet).
Available value: 1-25 sec
Last Member Query Max Response Time :
To set the last member Query Response Time field is used in specific or
group-specific query messages. The last member query Maximum
Response Time is configured as the value.
Available value: 1-25 sec
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