D-Link DHS-3224V manual Igmp Snooping State, Querier State, Robustness Variable, Query Interval

D-Link DHS-3224V Switch User’s Guide

The user-changeable parameters for IGMP Snooping are as follows:

IGMP Snooping State	Select Enabled to implement IGMP Snooping.
Querier State	Choose V1 Querier for version 1 querier, V2 Querier for version 2
	querier, or Non-Querier.
	This entry field allows an entry of 2 to 255. Adjust this variable
Robustness Variable	according to expected packet loss. If packet loss is expected to be
	high, the Robustness Variable should be increased to accommodate
	increased packet loss.
Query Interval	The Query field allows an entry between 1 and 9,999 seconds and
	defines the time between transmitting IGMP queries.
	The Max-Response field allows an entry between 1 and 254 and
	defines the maximum time allowed before sending a response report to
Max Response	a query measured in units of 1/10 of a second. This is used to adjust
	the "leave latency", the time internal between the moment the last host
	leaves a group and when the routing protocol is notified there are no
	more members.
Age-out Timer	Displays the time the Switch waits between IGMP queries

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