D-Link DWC-1000 [105/368] Wireless distribution system wds

D-Link DWC-1000 User Manual 105

Section 4 - Advanced WLAN Conguration

Wireless Distribution System (WDS)

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 infrastructure

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

onthewirelessmediumandcommunicateswiththecontrollerviathewiredlink.AsatelliteAPcommunicates

withthecontrollerviaaWDSlinktotherootAP.TheWDSlinksaresecuredusingWPA2Personalauthentication

andAESencryption.WhentheAPisinManagedmode,remoteaccesstotheAPisdisabled.However,youcan

enableTelnetaccessbyenablingtheDebugfeatureontheManagedAPListSettingspage.

SupportfortheWDS‐managedAPfeaturewithintheUniedWiredandWirelessAccessSystemincludesthe

following:

• Thewirelesssystemcancontainupto12WDS‐managedAPgroups.

• EachWDS‐managedAPgroupcancontainuptofourAPs.

• AnAPcanbeamemberofonlyoneWDSAPgroup.

• EachsatelliteAPcanhaveonlyoneWDSlinkonthesatelliteAPs.ThismeansthatasatelliteAPmustbe

connectedtoarootAP.AsatelliteAPcannotbeconnectedtoanothersatelliteAP.

Bydefault,anAPisconguredasarootAP.ForanAPtobeattachedtotheWirelessSystemasasatelliteAP,

congurethefollowingsettingsontheAPwhileitisinstand‐alonemode:

•SatelliteAPmode.ThissettingenablesthesatelliteAPtodiscoverandestablishWDSlinkwiththeroot

AP.Bydefault,theWDSManagedModeisRootAP.

•PasswordforWPA2PersonalauthenticationusedtoestablishtheWDSlinks.OnlythesatelliteAPsneed

thisconguration.TherootAPsgetthepasswordfromthecontrollerwhentheybecomemanaged.

•StaticChannel.TheAPsoneachendofaWDSlinkmustusethesameradioandchanneltocommunicate.

CongurethesatelliteAPtouseastaticchannel.ForarootAP,setthestaticchannelwhenyouaddthe

APtotheValidAPdatabaseonthecontroller.

•Optionally,toallowtheEthernetportonasatelliteAPtoprovidewiredaccesstotheLAN,youmustset

theWDSManagedEthernetPorttoEnabled.Itisdisabledbydefault.