D-Link DWS-4026 [185/741] Managing protocol based vlans

ManagingVLANs

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

November2011 Page185

D‐LinkUWSUserManual

ManagingProtocol‐BasedVLANs

Inapr otocol‐basedVLAN,trafficisbridgedthroughspecifiedportsbasedontheprotocolassociatedwiththe

VLAN.User‐definedpacketfiltersdeterminewhetheraparticularpacketbelongstoaparticularVLAN.

Protocol‐basedVLANsaremostoftenusedinsituationswherenetworksegmentscontainhostsrunning

multipleprotocols.

Youcanus

eaprotocol‐basedVLANtodefinefilteringcriteriaforuntaggedpacket s.Bydefault,ifyoudo not

configureanyport‐based(IEEE802.1Q)orprotocol‐basedVLANs,untaggedpacketsareassignedtoVLAN1.

Youcanoverridethisbehaviorbydefiningeitherport‐basedVLANs,protocol‐basedVLANs,orboth.Ta

gged

packetsarealwayshandledaccordingtotheIEEE802.1Qstandardandarenotincludedinprotocol‐based

VLANs.

Ifyouassignaporttoa protocol‐basedVLANforaspecificprotocol,untaggedframesreceivedonthatportfor

thatprotocolwillbeassignedtheprotocol‐basedVLANID.Un

taggedframesreceivedontheportforother

protocolswillbeassignedthePortVLANID(PVID),whichiseitherthedefaultPVID(1)oraPVIDyouhave

specificallyassignedtotheportusingthePortVLANConfigurationscreen.

UsetheProtocol‐basedVLANConfigurationpagetoconfigurewhichprotocolsgotowhichVLANs,andthen

enablecert

ainportstousethesesettings.

Youdefineaprotocol‐basedVLANbycreatingagroup.Eachgrouphasaone‐to‐onerelationshipwithaVLAN

ID,canincludeoneormoreprotocoldefinitions,andcanincludemultipleports.

TodisplaytheProtocol‐Ba

sedVLANConfigurationpage,clickLAN>L2Features > VLAN>Protocol‐basedVLAN

>Configurationinthenavigationtree.

Figure100:CreateProtocolGroup

Table84:ProtocolGroupFields(NoGroups)

Field Description

Group Whennoprotocol‐basedVLANgroupsexist,onlytheCreateNewGroupoptionisavailable.

GroupID Specifyanumbertoidentifythegrouptocreate.