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Enterasys Networks RBT-8200 Switch User Manual

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Preparing the Network for Distributed Access Points

2-8 Configuration

Preparing the Network for Distributed Access Points

AnAPthatisnotdirectlyconnectedtoaRoamAboutwirelessswitchisconsideredaDistributed

AP.DistributedAPsrequirethefoll owingsupportinordertofindaRoamAboutwirelessswitch

toconfigureandmanagetheAP:

• Power—PoweroverEthernet(PoE)mustbeprovidedononeoftheEthernetconnectionsto

theAP.UseaPoEinjectiondevicethathasbeentestedbyEnterasysNetworks.ProvidingPoE

onbothoftheEthernetconnectionsallowsforredundantPoE.

•DHCP—ADistributedAPusesIPforcommunication,andreliesonDHCPtoobtainIP

parameters.Therefore,DHCPservicesmustbeavailableonthesubnetthat

theAPis

connectedto.DHCPmustprovidethefollowingparameterstotheAP:

–IPaddress

– Gatewayaddress

TheDHCPservermightalsoneedtosupplythefol lowingDNSparameters,unlessthe

RoamAboutwirelessswitchisinthesamesubnetastheAPs,orDHCPoption43isusedto

supplya

listofRoamAboutwirelessswitchIPaddressesorhostnamesintheDHCPmessage.

– Domainname

–DNSserveraddress

• DNS—IftheintermediatenetworkbetweentheRoamAboutwirelessswitchandDistributed

APincludesoneormoreIProuters,dooneofthefollowing:

– ConfigureDHCPoption43ontheDHCPserver(seeabove).

– Createa

wlan‐switch. mynetwork.comentryontheDNSserver.

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