D-Link DWS-4026 [217/741] Configuring igmp snooping queriers

ConfiguringIGMPSnoopingQueriers

D-Link UnifiedWiredandWirelessAccessSystem

November2011 Page217

D‐LinkUWSUserManual

ConfiguringIGMPSnoopingQueriers

IGMPsnoopingrequiresthatonecentralswitchorrouterperiodicallyqueryallend‐devicesonthenetworkto

announcetheirmulticastmemberships.Thiscentraldeviceisthe'IGMPquerier'.TheIGMPqueryresponses,

knownasIGMPreports,keeptheswitchupdatedwiththecurrentmulticastgroupmembershiponaport‐by‐

portba

sis.Iftheswitchdoesnotreceiveupdatedmembershipinformationinatimelyfashion,itwillstop

forwardingmulticasttotheportwheretheenddeviceislocated.

ThesepagesenableyoutoconfigureanddisplayinformationonIGMPsnoopingqueriersonthenetworkand,

separately,onVLANs.

IGMPSnoopingQuerierConfiguration

UsethispagetoenableordisabletheIGMPSnoopingQuerierfeature,specifytheIPaddressoftherouterto

performthequerying,andconfigurerelatedparameters.UsersmusthaveRead/Writeaccessprivilegesto

changethedataonthispage.

Toaccessthispage,clickLAN>L2Features >IGMPSnoopingQuerier>IG

MPSnoopingQuerierConfiguration

inthenavigationtree.

Figure128:IGMPSnoopingQuerierConfiguration

Table110:IGMPSnoopingQuerierConfigurationFields

Field Description

SnoopingQuerierAdmin

Mode

SelecttheadministrativemodeforIGMPSnoopingfortheswitchfromthe

pulldownmenu.ThedefaultisDisable.

SnoopingQuerierAddress SpecifytheSnoopingQuerierAddresstobeusedassourceIPaddressin

periodicIGMPqueries.Thisaddressisusedwhennoaddressisconfiguredon

theVLANonwhichquer

yisbeingsent.

IGMPVersion SpecifytheIGMPprotocolversionusedinperiodicIGMPqueries.

QueryInterval Specifythetimeintervalinsecondsbetweenperiodicqueriessentbythe

snoopingquerier.TheQueryIntervalmustbeavalueintherangeof1and

1800seconds.Thedefaultv

alueis60seconds.