Specifications

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4.9.2 IGMPQuery
ThispageallowsuserstoconfigureIGMPQueryfeature.SincePMISwitchcan
onlybeconfiguredbymemberportsofthemanagementVLAN,IGMPQuerycan
onlybeenabledonthemanagementVLAN.IfyouwanttorunIGMPSnooping
featureinseveralVLANs,youshouldnoticethatwhethereachVLANhasitsown
IGMPQuerierfirst.
TheIGMPquerierperiodicallysendsquerypacketstoallend‐stationsonthe
LANsorVLANsthatareconnectedtoit.FornetworkswithmorethanoneIGMP
querier,aswitchwiththelowestIPaddressbecomestheIGMPquerier.
InIGMPQueryselection,youcanselectV1,V2orDisable.V1meansIGMPV1
GeneralQueryandV2meansIGMPV2GeneralQuery.Thequerywillbe
forwardedtoallmulticastgroupsintheVLAN.Disableallowsyoutodisable
IGMPQuery.
QueryInterval(s):Theperiodofquerysentbyquerier.
QueryMaximumResponseTime:Thespanquerierdetecttoconfirmthereare
nomoredirectlyconnectedgroupmembersonaLAN.
Onceyoufinishconfiguringthesettings,clickonApplytoapplyyour
configuration.
4.9.3 ForceFiltering
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TheForcefilteringfunctionallowstheswitchtofiltertheunknown‐multicastdata
flow.IfForcefilteringisenabled,alltheunknownmulticastdatawillbediscarded.
4.9.4 CLICommandsoftheMulticastFiltering
CommandLinesofthemulticastfilteringconfiguration
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Feature CommandLine
IGMPSnooping
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