D-Link DWS-4026 [626/741] Configuring the wireless distribution system

ConfiguringtheWirelessDistributionSystem

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

November2011 Page626

D‐LinkUWSUserManual

EnablingAeroScout™EngineSupport

TheAeroScoutEngine(AE)isasoftwareplatformproducedbyAeroScoutInc.forlocation‐basedservices.The

AEcandeterminethephysicallocationof802.11‐capableAeroScoutdevices.TheAEcommunicateswithAPs

thathavetheAEprotocolenabledinordertocollectinformationabouttheRFdevicesdetectedbytheAP

TheDWS‐4000SeriesswitchsupportsonlydirectcommunicationbetweentheAEandtheAPs.When

operatinginmanagedmode,theAEisconfiguredwiththeIPaddressofthemanagedaccesspointsfromwhich

itcollectsinformation.TheDWS‐4000SeriesswitchdoesnotcommunicatewiththeAE.

AeroScouttagsop

erateonlyin802.11b/gmode.Therefore,networkadministratorswhousetheAeroScout

tagsmustconfigureatleastoneradioonAPsthatareexpectedtodetecttagsineither802.11b/gor

802.11b/g/nmode.Theradiosconfiguredin2.4GHzIEEE802.11nmodeoranyofthe5GHzmodescannot

det

ectAeroScouttags.

ToenableAeroScoutsupport,see“ConfiguringtheAPProfileGlobalSettings”onpage595.

ConfiguringtheWirelessDistributionSystem

TheWirelessDistributionSystem(WDS)‐ManagedAPfeatureallowsyoutoaddmanagedAPstothecluster

usingover‐the‐airWDSlinksthroughothermanagedAPs.Thiscapabilityiscriticalinprovidingaseamless

experienceforroamingclientsandformanagingmultiplewirelessnetworks.Itcanalsosimplifythenetwork

frastructurebyreducingtheamountofcablingrequired.WithWDS,APsmaybelocatedoutdoorswhere

wiredconnectiontothedatanetworkisunavailable,orinremotebuildingsthatarenotconnectedtothemain

campuswithawirednetwork.

TheWDSAPgroupconsistsoftwotypesofAPs:rootAP

sandsatelliteAPs.ArootAPactsasabridgeorrepeater

onthewirelessmediumandcommunicateswiththeswitchviathewiredlink.AsatelliteAPcommunicateswith

theswitchviaaWDSlinktotherootAP.TheWDSlinksaresecuredusingWPA2Personalauthenticationand

Sencryption.

Note:ThefollowingnotesapplytoAeroScoutproductandprotocolsupport:

•D‐LinkdoesnotsellAeroScoutproducts.ContactAeroScoutforAeroScouthardware,softwareor

deploymentinformation.

•TheAEprotocoldoesnotsupportanyauthenticationorencryptionbetweentheAEserverand

theaccesspoin t.

•TheAEprotocolrequiresradiostoopera teinpr

omiscuousmode.ThismeansthattheAPreceives

andprocessesallpacketsdetectedbytheradios,asopposedtoprocessingonlypacketsdestined

totheAPsBSSID.ThiscanaffectAPthroughput.