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Enterasys Networks 2S4082-25-SYS Switch User Manual

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The NAC Controller Policy Configuration

Enterasys NAC Controller Hardware Installation Guide 6-21

Modifying the Downstream Default Policy

Dependingonthenetworkconfigurationorcircumstances, itʹspossiblethattrafficfromthe

upstreamsidecouldbereroutedtotheNACController,whereitwouldbeauthenticatedusing

theupstreamsourceIPaddress.Toavoidthisproblem,addaLayer3IPAddressSourceruleto

thedownstreamdefaultpolicy

configuredontheNACController,usingtheupstreamIPsubnets

(orcriticalserverslocatedintheupstream)andcontainingthetraffictoaVLAN.

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