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Scenario 2: Intelligent Wireless Access Edge

Enterasys NAC Design Guide 3-5

intelligentedgeonthenetwork.TheMatrixN‐seriesswitchiscapableofauthenticatingand

authorizingmultipledevicesconnectedtoasingleportforavarietyofnetworktopologies,

rangingfromanIPphonecascadedwithaPConasingleMatrixN‐seriesport,toastackofnon‐

intelligent

edgeswitchesuplinkedtoasingleMatrixN‐seriesportwhereover1000end‐systems

connect.Inthisconfiguration,theMatrixN‐seriesactsastheintelligentedgeswitchonthe

network,althoughnotphysicallylocatedattheaccessedge.Eachindividualend‐systemis

authenticatedusing802.1X,web‐based,

and/orMACauthenticationandissubsequently

authorizedontheMatrixN‐seriesinter‐switchlinktotheaccessedge.Byprovisioningaccessto

networkresourcesontheMatrixN‐seriesusingMUA,end‐systemtrafficdestinedtoadjacent

switchesonthenetworkcanbesecurelycontainedwithpolicyattheMa trix

N‐seriesport.

Scenario 2: Intelligent Wireless Access Edge

Intheintelligentwirelessaccessedgeusescenario,thickAccessPoints(APs)orwirelessswitches

withthinAPsprovideauthenticationandauthorizationforconnectingend‐systems.

Forthisusescenario,theNACGatewayapplianceisdeployedforout‐of‐bandnetworkaccess,

leveragingtheintelligentwirelessinfrastructuredevicesastheauthorization

pointforconnecting

end‐systems.

Thin Wireless Edge

Inathinwirelessdeployment,wirelessswitchestunnelwirelessend‐systemtraffictoandfrom

accesspointsdeployedonthenetwork.Mostthinwirelessdeploymentsarecategorizedunderthe

intelligentwirelessaccessedgeusescenariobecausethewirelessswitchesarecapableof

providingauthentication(802.1x,web‐based,orMAC)andare

alsocapableofbeingan

authorizationpointeitherthroughdynamicVLANassignmentasspecifiedinRFC3580or

applicationofuser‐basedACLsorpolicy.

ThefollowingfigureillustrateshowtheNACGatewayandtheotherEnterasysNACcomponents

worktogetherinathinwirelessdeployment.

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