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Zte ZXR10 5928–Fi, ZXR10 5200 series, ZXR10 5952, ZXR10 5224, ZXR10 5228 User Manual

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ZXR105900/5200Series
AllGigabit-PortIntelligentRoutingSwitch
UserManual(EthernetSwitchingVolume)
Version2.8.23.A
ZTECORPORATION ZTEPlaza,KejiRoadSouth, Hi-TechIndustrialPark, NanshanDistrict,Shenzhen, P .R.China 518057 Tel:(86)75526771900 Fax:(86)75526770801 URL:http://ensupport.zte.com.cn E-mail:support@zte.com.cn
LEGALINFORMATION
Copyright©2006ZTECORPORATION.
Thecontentsofthisdocumentareprotectedbycopyrightlawsandinternationaltreaties.Anyreproductionordistributionof thisdocumentoranyportionofthisdocument,inanyformbyanymeans,withoutthepriorwrittenconsentofZTECORPO­RATIONisprohibited.Additionally ,thecontentsofthisdocumentareprotectedbycontractualcondentialityobligations.
Allcompany ,brandandproductnamesaretradeorservicemarks,orregisteredtradeorservicemarks,ofZTECORPORATION oroftheirrespectiveowners.
Thisdocumentisprovided“asis” ,andallexpress,implied,orstatutorywarranties,representationsorconditionsaredis­claimed,includingwithoutlimitationanyimpliedwarrantyofmerchantability,tnessforaparticularpurpose,titleornon-in­fringement.ZTECORPORATIONanditslicensorsshallnotbeliablefordamagesresultingfromtheuseoforrelianceonthe informationcontainedherein.
ZTECORPORA TIONoritslicensorsmayhavecurrentorpendingintellectualpropertyrightsorapplicationscoveringthesubject matterofthisdocument.ExceptasexpresslyprovidedinanywrittenlicensebetweenZTECORPORATIONanditslicensee, theuserofthisdocumentshallnotacquireanylicensetothesubjectmatterherein.
ZTECORPORATIONreservestherighttoupgradeormaketechnicalchangetothisproductwithoutfurthernotice.
UsersmayvisitZTEtechnicalsupportwebsitehttp://ensupport.zte.com.cntoinquirerelatedinformation.
TheultimaterighttointerpretthisproductresidesinZTECORPORA TION.
RevisionHistory
RevisionNo.RevisionDateRevisionReason
R1.220091015
Editionupdate
SerialNumber:sjzl20095127
Contents
AboutThisManual..............................................i
VLANConguration...........................................1
VLANOverview..............................................................1
VLANType.................................................................1
VLANTag...................................................................2
VLANLinkType..........................................................2
DefaultVLAN.............................................................3
PVLAN.......................................................................3
QinQ.........................................................................4
SubnetVLAN.............................................................4
ProtocolVLAN............................................................5
VLANTranslation........................................................5
SuperVLAN................................................................5
ConguringVLAN...........................................................6
CreatingVLAN............................................................6
CreatingaVLANinVLANDatabase...............................6
SettingVLANName....................................................6
SettingVLANLinkTypeonEthernetInterface.................7
AddingVLANMemberPort...........................................7
AddingPortstoaVLANinBatches................................8
SettingtheNativeVLANforaTrunkorHybridPort..........8
SettingVLANFilteringonaPort....................................8
SettingFrameFilteringTypeofaPort............................9
CreatingVLANLayer3Interface...................................9
VLANCongurationExample........................................9
ConguringPVLAN.........................................................10
ConguringQinQ...........................................................11
ConguringSubnetVLAN................................................12
ConguringProtocolVLAN..............................................13
ConguringVLANTranslation..........................................14
ConguringSuperVLAN..................................................14
VLANMaintenanceandDiagnosis.....................................16
SVLANConguration.......................................17
SVLANOverview............................................................17
SVLANConguration......................................................17
SVLANCongurationExample.........................................19
BasicSVLANConguration..........................................19
TransparentTransmissionSVLANConguration..............20
802.1PPriorityConguration.......................................21
SVLANMaintenanceandDiagnosis...................................21
SVLANCOSConguration................................23
SVLANCOSOverview.....................................................23
ConguringSVLANCOS..................................................23
SVLANCOSCongurationExample..................................24
SVLANCOSMaintenanceandDiagnosis............................24
ZESRandSVLANLinkageNetworking
Conguration..................................................25
ZESRandSVLANLinkageNetworkingOverview.................25
ConguringZESRandSVLANLinkageNetworking.............26
ConguringSVLAN.....................................................26
ConguringPortMACDuplication.................................27
ConguringPortLOOPBACK........................................27
ConguringOne-WayPVLAN.......................................28
ConguringZESR......................................................28
CongurationExample...................................................28
MACAddressTableConguration....................31
IntroductiontoMACAddress...........................................31
CompositionandMeaningofMACAddressTable............31
MACAddressClassication..........................................32
MACAddressTableEstablishmentandDeletion..............32
ConguringMACAddressTable........................................33
SettingMACAddressAgingTime.................................34
BurningMACAddresses..............................................34
ConguringMACAddressPermanent............................34
BindingMACAddresstoaPort....................................35
EnablingMACAddressLearning...................................36
LimitingMACAddressCount.......................................36
SettingMACAddressLearningProtection......................37
SettingPortUnkownSourceMACAddressFiltering.........37
SettingMACAddressFiltering......................................38
ViewingMACAddressTable.........................................38
MACAddressTableCongurationExample........................39
STPConguration............................................41
STPOverview...............................................................41
SSTPMode...............................................................41
RSTPMode...............................................................42
MSTPMode...............................................................42
BPDUProtection........................................................44
ConguringSTP............................................................49
Enabling/DisablingSTP...............................................49
ConguringSTPMode................................................49
ConguringSTPParameters........................................49
CreatingInstances.....................................................50
ConguringMSTPNameandVersion............................51
ConguringSwitchandPortPriority.............................51
ExcludingaPortfromSpanningTreeCalculation............52
BPDUProtectionConguration.........................................52
ConguringBPDUProtectiononEdgePort.....................52
ConguringPortLoopbackFunction..............................53
ConguringPortRootProtectionFunction.....................53
STPCongurationExamples............................................53
BPDUProtectionCongurationExample............................56
EdgePortBPDUProtectionCongurationExamples.........56
PortLoopbackProtectionCongurationExample............57
PortRootProtectionCongurationExample...................58
STPMaintenanceandDiagnosis.......................................58
LinkAggregationConguration.......................61
LinkAggregationOverview.............................................61
ConguringLinkAggregation..........................................62
LinkAggregationCongurationExample...........................63
LinkAggregationMaintenanceandDiagnosis.....................64
IGMPSnoopingConguration..........................67
IGMPSnoopingOverview................................................67
MulticastGroupJoin...................................................68
MulticastGroupLeave................................................68
FastLeave................................................................69
ConguringIGMPSnooping.............................................69
EnablingIGMPsnooping.............................................69
Conguringssm-mapping...........................................69
ConguringTopologyDiscoveryConvergence................70
ConguringanAgentQuerier......................................70
ConguringIGMPAgent.............................................70
RestrictingaMulticastGroup.......................................71
ConguringStaticIGMPSNOOPING.............................71
ModifyingDefaultTime...............................................71
IGMPSnoopingCongurationExample.............................72
IGMPSnoopingMaintenanceandDiagnosis.......................72
SowConguration.........................................75
Overview......................................................................75
SFlowSamplingUnit..................................................76
SFlowAgentUnit.......................................................76
SFlowCollector.........................................................76
ConguringsFlow..........................................................77
SFlowCongurationExample..........................................77
SFlowMaintenanceandDiagnosis....................................78
ZESSConguration..........................................81
ZESSOverview.............................................................81
ConguringZESS..........................................................82
CreatingZESSDomain...............................................82
ConguringPreupTime..............................................83
ConguringZESSMode..............................................83
ConguringZESSControlVLAN...................................84
ConguringZESSPort................................................84
ClearingZESSreceive-vlanPorts.................................85
ZESSCongurationExample...........................................85
ZESSMaintenance.........................................................88
EthernetOAMConguration............................89
802.3ahOverview.........................................................89
Overview..................................................................89
RemoteDiscovery......................................................90
RemoteLoopback......................................................90
LinkMonitor..............................................................91
Conguring802.3ah......................................................91
FunctionConguration...............................................91
EnhancedFunctionConguration.................................92
InstanceConguration...............................................93
CFMConguration.........................................................94
CFMOverview...........................................................94
ConguringCFM........................................................97
BasicConguration...........................................97
CFMFunctionConguration................................99
EnhancedFunctionConguration......................101
InstanceConguration.....................................101
UDLDConguration.......................................105
UDLDOverview...........................................................105
ConguringUDLD........................................................106
UDLDGlobalConguration........................................106
UDLDInterfaceConguration...................................107
UDLDCongurationNoticationItems.......................107
LLDP..............................................................109
LLDPOverview............................................................109
ConguringLLDP.........................................................110
LLDPCongurationExample.........................................110
L2PTConguration........................................113
L2PTOverview............................................................113
CommandConguration...............................................113
L2PTCongurationExample..........................................114
Figures..........................................................117
Tables...........................................................119
Glossary........................................................121
AboutThisManual
PurposeZXR105900/5200(V2.8.23.A)SeriesAllGigabit-PortIntelligent
RoutingSwitchUserManual(EthernetSwitchingVolume)provides proceduresandguidelinesthatsupporttheoperationonZXR10 5900/5200SeriesAllGigabit-PortIntelligentRoutingSwitch,in­cluding:
�ZXR105924GigabitRoutingSwitch
�ZXR105928GigabitRoutingSwitch
�ZXR105928–FiGigabitRoutingSwitch
�ZXR105952GigabitRoutingSwitch
�ZXR105224GigabitConvergenceSwitch
�ZXR105228GigabitConvergenceSwitch
�ZXR105228–FIGigabitConvergenceSwitch
�ZXR105252GigabitConvergenceSwitch
�ZXR105928–PSGigabitConvergenceSwitch
Intended Audience
Thismanualisintendedforengineersandtechnicianswhoper­formoperationactivitiesonZXR105900/5200AllGigabit-PortIn­telligentRoutingSwitches.
PrerequisiteSkill
andKnowledge
TousetheEthernetSwitchingVolumeeffectively,usersshould haveageneralunderstandingofOSIModel.Familiaritywiththe followingishelpful,
�Protocols
�RoutingconceptsandDataCommunicationTerminologies
WhatIsinThis
Manual
TheEthernetSwitchingVolumecontainsthefollowingchapters:
TABLE1CHAPTERSUMMARY
Chapter
Summary
Chapter1VLAN Conguration
Thischapterdescribesthecontentand relatedknowledgeofVLANandrelated conguration.
Chapter2SVLAN Conguration
Thischapterdescribesthecontentand relatedknowledgeofSVLANandrelated conguration.
Chapter3SVLANCOS Conguration
Thischapterdescribesthecontentand relatedknowledgeofSVLANCOSand relatedconguration.
Chapter4ZESRand SVLANLinkageNetwork­ingConguration
Thischapterdescribesthecontent andrelatedknowledgeofZESRand SVLANLinkageNetworkingandrelated conguration.
CondentialandProprietaryInformationofZTECORPORA TIONi
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
Chapter
Summary
Chapter5MACT able Operation
Thischapterdescribesthecontentand relatedknowledgeofMACT ableandrelated conguration.
Chapter6STP Conguration
Thischapterdescribesthecontentand relatedknowledgeofSTPandrelated conguration.
Chapter7LinkAggrega­tionConguration
Thischapterdescribesthecontentand relatedknowledgeofLinkAggregationand relatedconguration.
Chapter8IGMPSnooping Conguration
Thischapterdescribesthecontentand relatedknowledgeofIGMPSnoopingand relatedconguration.
Chapter9SFLOW Conguration
Thischapterdescribesthecontentand relatedknowledgeofSFLOWandrelated conguration.
Chapter10ZESS Conguration
Thischapterdescribesthecontentand relatedknowledgeofZESSandrelated conguration.
Chapter11Ethernet OAMConguration
Thischapterdescribesthecontentand relatedknowledgeofEthernetOAMand relatedconguration.
Chapter12UDLD Conguration
Thischapterdescribesthecontentand relatedknowledgeofUDLDandrelated conguration.
Chapter13LLDP Conguration
Thischapterdescribesthecontentand relatedknowledgeofLLDPandrelated conguration.
Chapter14L2PT Conguration
Thischapterdescribesthecontentand relatedknowledgeofL2PTandrelated conguration.
Related
Documentation
Thefollowingdocumentationisrelatedtothismanual:
�ZXR105900/5200(V2.8.23.A)SeriesAllGigabit-PortIntelli-
gentRoutingSwitchHardwareManual
�ZXR105900/5200(V2.8.23.A)SeriesAllGigabit-PortIntelli-
gentRoutingSwitchUserManual(EthernetSwitchingVolume)
�ZXR105900/5200(V2.8.23.A)SeriesAllGigabit-PortIntelli-
gentRoutingSwitchUserManual(BasicCongurationVolume)
�ZXR105900/5200(V2.8.23.A)SeriesAllGigabit-PortIntelli-
gentRoutingSwitchUserManual(IPv4RoutingVolume)
�ZXR105900/5200(V2.8.23.A)SeriesAllGigabit-PortIntelli-
gentRoutingSwitchUserManual(IPv6RoutingVolume)
�ZXR10Router-EthernetSwitchCommandManual-Command
Index
�ZXR10Router-EthernetSwitchCommandManual-System
Management
iiCondentialandProprietaryInformationofZTECORPORATION
AboutThisManual
�ZXR10Router-EthernetSwitchCommandManual-Functional
SystemI
�ZXR10Router-EthernetSwitchCommandManual-Functional
SystemVolumeII
�ZXR10Router-EthernetSwitchCommandManual-Functional
SystemVolumeIII
�ZXR10Router/EthernetSwitchCommandManual—Functional
SystemIV
�ZXR10Router/EthernetSwitchCommandManual—Protocol
StackI
�ZXR10Router/EthernetSwitchCommandManual—Protocol
StackII
�ZXR10Router/EthernetSwitchCommandManual—Protocol
StackIII
�ZXR10Router/EthernetSwitchInformationManual
CondentialandProprietaryInformationofZTECORPORATIONiii
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
Thispageisintentionallyblank.
ivCondentialandProprietaryInformationofZTECORPORATION
Chapter1
VLANConfiguration
TableofContents
VLANOverview..................................................................1
ConguringVLAN...............................................................6
ConguringPVLAN.............................................................10
ConguringQinQ...............................................................11
ConguringSubnetVLAN....................................................12
ConguringProtocolVLAN..................................................13
ConguringVLANTranslation..............................................14
ConguringSuperVLAN......................................................14
VLANMaintenanceandDiagnosis.........................................16
VLANOverview
VirtualLocalAreaNetwork(VLAN)isatechnologythatdividesa physicalnetworkintoseverallogical(virtual)LocalAreaNetworks (LANs).EachVLANisidentiedbyaVLANID(VID).
VLANtechnologydividesuserswithinaphysicalLANintodifferent broadcastdomains(VLANs)accordingtorequirements.Userswith thesamedemandsaregroupedtothesamebroadcastdomain, whilethosewithdifferentdemandsareseparated.
EachVLAN,likealogicallyindependentLAN,sharesthesameat­tributesasthosephysicalLANs.Allbroadcastandunicasttrafcs withinaVLANarelimitedtotheVLANbutarenotforwardedto anyotherVLAN.DevicesindifferentVLANsmustrelyonL3rout­ingswitchingforcommunicationbetweenthem.
VLANprovidesthefollowingadvantages:
1.Lowerbroadcasttrafconthenetwork
2.Enhancednetworksecurity
3.Streamlinednetworkmanagement
VLANType
LANtypeofadevicedependsonhowitwilldivideareceivedframe toaVLAN.ZXR105900/5200supportsport-basedVLAN,thesim­plestandmosteffectivemethodofVLANdivision.Itdividesits variousportsintodifferentVLANs,sothatanytrafcreceivedon aportbelongstoitscorrespondingVLAN.
CondentialandProprietaryInformationofZTECORPORATION1
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
Assumeports1,2and3belongtothesameVLAN,whiletheother portsbelongtootherVLANs,thenframesreceivedonport1are broadcasttoports2and3onlywhiletheyarenotpassedtoany otherport.WhenauserinaVLANmovestoanewlocation,itno longerbelongstotheoriginalVLANunlesstheuserisassignedto thatVLANagain.
VLANTag
ItispossibletotransmitservicesofseveralVLANsoverasingle linkifaframecarriesinformationaboutitsnativeVLANwhilebeing passedthroughanetwork.IEEE802.1Qimplementsthisfunction throughattachingaVLANtagtotheEthernetframe.
AVLANtagisafour-bytelongnumber,anditcomesafterthe sourceMACaddressandbeforethelength/typeeldinanEthernet frame.Figure1showstheVLANtagformat.
FIGURE1VLANTAGFORMAT
VLANtagisappliedtocross-switchVLANs,whenthelinkbetween switchesisusuallycalledatrunk.VLANtagallowsVLANscross severalswitchestobecreatedthroughoneormoretrunks.When theportsconnectingtheseswitchesreceiveataggedframe,the portscanjudgewhichVLANtheframebelongstobasedonthe VLANtag.
Each802.1QportisallocatedadefaultVLANID,calledPVID.Un­taggedframesreceivedonaportisconsideredbelongingtothe defaultVLAN,andthenbroadcastedinthatVLAN.
ZXR105900/5200supportsIEEE802.1Qtag.
VLANLinkType
ZXR105900/5200portssupportthefollowinglinks:
1.Accesslink
Itconnectsdevices(suchasworkstation)thatcannotiden­tifyVLANtagstotheVLANswitchport.Ittransmitsuntagged framesonlytoasingleVLAN.
2.T runklink
2CondentialandProprietaryInformationofZTECORPORATION
Chapter1VLANConguration
ItconnectstwodevicesthatcanidentifyVLANtagsandcar­riesseveralVLAN’sservices.Ittransmitstaggedframesonly toseveralVLANs.Themostcommontrunklinkistheonebe­tweentwoVLANswitches.
3.HybridLink
Ittransmitsbothtaggedanduntaggedframes.Foragiven VLAN,however ,itonlytransmitsframesofthesametype.
DefaultVLAN
ZXR105900/5200hasadefaultVLANinitially ,whichhasthefol­lowingfeatures:
�VLANIDas1
�VLANnameasVLAN0001
�Allportsincluded
�Untaggedbydefaultonallports
PVLAN
Toimprovenetworksecurity,messagesamongdifferentusersshall beseparated.ThetraditionalmethodistoassignaVLANtoeach user .Themethodhasobviouslimitation,whichcanbeseenfrom thefollowingaspects:
1.Atpresent,IEEE802.1Qstandardsupportsutmost4094 VLANs,whichlimitsthenumberofusersandnetworkexpan­sion.
2.EachVLANcorrespondstooneIPsubnet,sovastdividedsub­netswillcausethewasteofIPaddresses.
3.PlanningandmanagementtoamassofVLANsandIPsubnets isextremelycomplicated.
PVLAN(PrivateVLAN)technologyisdevelopedtosolvetheseprob­lems.
PVLANdividestheportsinVLANintothreetypes:theportcon­nectingtotheuseriscalledIsolatePort,theportconnectingtoa groupofusersthatneedinterconnectionandintercommunication iscalledCommunityPortandtheportconnectingtotheupstream routeriscalledPromiscuousPort.Theisolatedportcommunicates withthepromiscuousportonly,butnotwithanyotherisolated portorcommunityport.Communityportcancommunicatewith promiscuousportandanyothercommunityport,butnotwithiso­latedport.ThusportsinthesameVLANareseparated.Theuser whoconnectswithisolatedportcanonlycommunicatewithits defaultgateway ,theuserwhoconnectscommunityportcanin­terconnectandintercommunicate.Networksecurityisensured.
ZXR105900/5200supports20PVLANgroups,eachgrouphaving customizedisolatedportsandatmost256isolatedports,16com­munityportsand8promiscuousports.
CondentialandProprietaryInformationofZTECORPORATION3
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
QinQ
QinQ,alsoknownasVLANstack,isagraphicnamefortheIEEE
802.1Qbasedtunnelprotocol.QinQtechnologyencapsulatesthe originalVLANtag(innertag)withanotherVLANtag(outertag)so thattheinnertagismasked.
QinQimplementssimpleLayer2VPN(L2VPN)withoutprotocol support,applicabletosmall-sizedLANswithL3switchesastheir core.
QinQtypicalnetworkingisshowninFigure2.Porttothecus- tomernetworkiscalledthecustomerport.TheporttotheService Providernetworkiscalledtheuplinkport,andtheSPedgeaccess deviceiscalledPoviderEdge(PE).
FIGURE2QINQTYPICALNETWORKING
ThecustomernetworkisusuallyconnectedtothePEthroughtrunk VLAN.UplinksportsintheSPnetworkareconnectedsymmetri­callyinthetrunkVLANmode.
Whenapacket(tagged/untagged)fromcustomernetwork1 reachesthecustomerportofswitchA.SwitchAattachesanouter tag(VLANIDas10)toitsforcibly .WithintheSPnetwork,packet isforwardedtoallportsinVLAN10.Thispacketnallyarrivesat switchB.SwitchBrecognizesthattheporttocustomernetwork 2isacustomerport,thendispatchestheoutertagcomplying withthetraditional802.1Qtorestoretheoriginalpacket.Switch Bsendsthepackettocustomernetwork2.
Thusdataistransparentlytransmittedbetweencustomernet­works1and2throughtheSPnetwork.Thisallowsthecustomer considerableexibilityforPrivateVLANIDplanning,withoutany conictwiththoseoftheSPnetwork.
SubnetVLAN
Subnet-basedVLANappliestoL2VLANnetworksforexiblecon­gurationofdataframeforwarding.Subnet-basedVLANforward adataframetoaVLANbasedonthesourceIPaddress.This sourceIPaddressbasedVLANcanforwarduserdatafromdiffer­entsubnetscrossseveralVLANs,whileremaintheoriginalVLAN membershipunchanged.
4CondentialandProprietaryInformationofZTECORPORATION
Chapter1VLANConguration
SubnetVLANisolatesdataframesfromdifferentsourceIPad­dressessothatauserhasaccesstodatafromitsownsubnet only.ThesubnetVLANpriorityinuntaggedframeforwardingis higherthanthatofprotocolVLANorPVID;thepriorityoftagged frameforwardinginthetaggedmodeishigherthanthatofsubnet VLAN.
PortisenabledonSubnetVLANbydefaultandalsocanbedisabled accordingtoactualdemands.
ZXR105900/5200supportsupto256subnetVLANs,thatis,sup­portsprocessingdataframesfrom256sourceIPsubnets.
ProtocolVLAN
Protocol-basedVLANappliestoL3networksorthoserunningmany protocols.Protocol-basedVLANdividespacketsbasedontheir networklayerencapsulationprotocol.Packetswiththesametag belongtothesameprotocolVLAN.Thisnetworklayerprotocol basedVLANcanbroadcastpacketscrossseveralVLANswitches. Itallowsuserstomovefreelyinthenetworkwhileremaintheir VLANmembershipunchanged.
ThissolutioneliminatestheneedtoreconguretheVLANwhena usermovestoanotherphysicallocationinthenetwork.Inaddi­tion,asVLANsareidentiedbasedontheprotocoltypeinsteadof attachedframetag,trafcthroughthenetworkreduces.
ProtocolVLANisnotonlyenabledonallphysicalportsbydefault butalsodisabledonportsaccordingtodemands,whichidenties thatVLANsarebasedonthepackettagonly .Itseparatespackets withdifferenttagssothatusershaveaccesstodatafromother usersinthesameVLANonly.
ZXR105900/5200supportsupto16protocolVLANs.Thismeans thatprotocolVLANssupportprocessingpacketswith16kindsof tags.
VLANTranslation
VLANtranslationpermitstheswitchesofdifferentuserstohave sameVLANID.WithVLANtranslation,coreswitchmodiesthe sameVLANIDofedgeswitchesintothedifferentVLANID.This functionisolateuserincoreswitchandsimplythecongurationof edgeswitch.
ZXR105900/5200support768VLANtranslation.
SuperVLAN
OnatraditionalISPnetwork,oneIPsubnetisallocatedtoeach user ,whichmeansthattheoccupationofthreeIPaddressesbya singleuserasitssubnetaddress,broadcastaddressanddefault
CondentialandProprietaryInformationofZTECORPORATION5
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
gatewayaddress.EvenifthereareanumberofidleIPaddresses inauser’ssubnet,theycannotbeallocatedtootherusers.This causeswasteofIPaddresses.
SuperVLANeffectivelyresolvesthisproblem.Itmergesseveral VLANs(calledsub-VLAN)toaSuperVLANsothattheycanusethe sameIPsubnetanddefaultgateway .
WiththeSuperVLANtechnology,theISPneedsonlyoneIPsub­netforitsSuperVLAN.Itcreatesasub-VLANforeachofitsusers. Thesesub-VLANscanuseexiblytheIPaddressesintheSuper­VLANsubnetandsharethedefaultgatewayoftheSuperVLAN. Eachsub-VLANisanindependentbroadcastdomain,ensuringuser isolation,andcommunicateswithothersub-VLANsthroughSuper­VLANrouting.
ConfiguringVLAN
CreatingVLAN
CommandFunction
ZXR10(config)#vlan{<vlan-id>|<vlan-name>}
ThiscreatesspecicVLANand entersintoVLANconguration mode.
CreatingaVLANinVLANDatabase
TocreateaVLANinVLANdatabase,usethefollowingcommand.
CommandFunction
ZXR10(config)#vlanlist<vlan-list>[name<vlan-name>]ThiscreatesaVLANinVLAN
database.
SettingVLANName
TosetVLANname,usethefollowingcommand.
CommandFunction
ZXR10(config-vlanX)#name<vlan-name>ThissetsVLANname.
VLANnameuniquelyidentiesaVLAN.Thiscanbeagroup,de­partmentandregionname.Bydefault,aVLANnameis“VLAN”
6CondentialandProprietaryInformationofZTECORPORATION
Chapter1VLANConguration
+VLANID.VLANIDincludesfourdigits(0sarepretendedwhen therearelessthanfourdigits).NameofVLAN4isVLAN0004.
SettingVLANLinkTypeonEthernet Interface
TosetVLANlinktypeonEthernetport,usethefollowingcommand.
CommandFunction
ZXR10(config-gei_1/x)#switchportmode{access|trunk
|hybrid}
ThissetsVLANlinktypeon Ethernetport.
TherearethreeVLANlinktypesforEthernetinterfaceofZXR10 5900/5200:Accessmode,T runkmodeandHybridmode.Access modeisusedbydefault.
�PortsofaccessmodebelongtoonlyoneVLAN,supportun-
taggedframesandareusuallyconnectedtocomputers.
�PortsoftrunkmodecanbelongtoseveralVLANs(re-
ceives/sendspacketsfrom/toseveralVLANs),supporttagged frames,andareusuallyusedastrunkportsbetweenswitches.
�PortsofhybridmodecanbelongtoseveralVLANs(re-
ceives/sendspacketsfrom/toseveralVLANs),supportboth taggedanduntaggedframes(customized),andcanbeused toconnectbothswitchesandcomputers.
Portsofhybridmodearedifferentfromtrunkports.Theysend bothtaggedanduntaggedframes(trunkportssenduntagged framesonlywhentheyarefromthedefaultVLAN).
AddingVLANMemberPort
Toaddanaccess,trunkorhybridporttoaspeciedVLAN,use followingcommands.
AccessportonlycanbeaddedtooneVLAN,T runkportandHybrid portcanbeaddedintomultipleVLANs.
�ToaddanaccessportintoaspecicVLAN,usethefollowing
commands.
CommandFunction
ZXR10(config-gei_1/x)#switchportaccessvlan
{<vlan-id>|<vlan-name>}
Thiscommandaddsanaccess porttoaspeciedVLAN.
�ToaddatrunkporttoaspecicVLAN,usethefollowingcom-
mand.
CondentialandProprietaryInformationofZTECORPORATION7
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
CommandFunction
ZXR10(config-gei_1/x)#switchporttrunkvlan<vlan-list>Thiscommandaddsatrunkport
toaspeciedVLAN.
�ToaddahybridportintoaspecicVLAN,usethefollowing
commands.
CommandFunction
ZXR10(config-gei_1/x)#switchporthybridvlan
<vlan-list>[tag|untag]
Thiscommandaddsahybrid porttoaspeciedVLAN.
AddingPortstoaVLANinBatches
ToaddportstoaVLANinbatches,usethefollowingcommand.
CommandFunction
ZXR10(config-vlanX)#switchport{pvid|tag|untag}<por
t-list>
ThisaddsportstoaVLANin batches.
SettingtheNativeVLANforaTrunk orHybridPort
AnaccessportbelongstoonlyoneVLAN,itsnativeVLANisthe VLANtowhichitbelongs.Thisrequiresnoadditionalconguration.
Trunkportandhybridportbelongtomultiplevlansandtheyneed tosetnativevlan.Ifnativevlanissetonport,whenoneframe withnovlantagisreceivedonport,itwillbeforwardedtotheport belongingtothisnativevlan.Nativevlanoftrunkportandhybrid portisvlan1bydefault.
Step
CommandFunction
1
ZXR10(config-gei_1/x)#switchporttrunknativevlan
{<vlan-id>|<vlan-name>}
Thiscommandsetsnative VLANforatrunkport.
2
ZXR10(config-gei_1/x)#switchporthybridnative
vlan{<vlan-id>|<vlan-name>}
Thiscommandsetsnative VLANforahybridport.
SettingVLANFilteringonaPort
TosetVLANlteringonaport,usethefollowingcommand.
8CondentialandProprietaryInformationofZTECORPORATION
Chapter1VLANConguration
CommandFunction
ZXR10(config-gei_1/x)#ingressfiltering{enable|disab
le}
ThissetsVLANlteringona port.
Wheningresslteringisenabledonaport,theportdropsare­ceivedframeiftheVLANtowhichtheframebelongsdoesnot includetheingress.Bydefault,VLANingresslteringisenable.
SettingFrameFilteringTypeofaPort
Tosetframelteringtypeofaport,usethefollowingcommand.
CommandFunction
ZXR10(config-gei_1/x)#acceptableframetypes{all|tag}Thissetsframelteringtypeof
aport.
Thissetstheframetypeoftheportwhichcanreceivealltypes offramesincludinguntaggedandtaggedframes.Bydefault,all framesarereceived.
CreatingVLANLayer3Interface
CommandFunction
ZXR10(config)#interface{vlan<vlan-id>|<vlan-if>}
ThiscreatesVLANlayer3 interface.
ItisnecessarytocreatethisVLANbeforecreatingVLANlayer3 interface.
VLANConfigurationExample
Theportsgei_1/1andgei_1/2onSwitchA,andtheportsgei_1/1 andgei_1/2onswitchB,belongtoVLAN10;theportsgei_1/4 andgei_1/5onswitchA,andtheportsgei_1/4andgei_1/5on switchB,belongtoVLAN20.Thefourportsareallaccessports, asshowninFigure3.SwitchesAandBareconnectedthrough portsgei_1/24(twotrunkports)overatrunklink.
CondentialandProprietaryInformationofZTECORPORATION9
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
FIGURE3VLANNETWORKING
CongurationofSwitchA:
ZXR10_A(config)#vlan10 ZXR10_A(config-vlan10)#switchportpvidgei_1/1-2 ZXR10_A(config-vlan10)#exit ZXR10_A(config)#vlan20 ZXR10_A(config-vlan20)#switchportpvidgei_1/4-5 ZXR10_A(config-vlan20)#exit ZXR10_A(config)#interfacegei_1/24 ZXR10_A(config--gei_1/24)#switchportmodetrunk ZXR10_A(config-gei_1/24)#switchporttrunkvlan10 ZXR10_A(config-gei_1/24)#switchporttrunkvlan20 ZXR10_A(config-gei_1/24)#exit
CongurationofSwitchB:
ZXR10_B(config)#vlan10 ZXR10_B(config-vlan10)#switchportpvidgei_1/1-2 ZXR10_B(config-vlan10)#exit ZXR10_B(config)#vlan20 ZXR10_B(config-vlan20)#switchportpvidgei_1/4-5 ZXR10_B(config-vlan20)#exit ZXR10_B(config)#interfacegei_1/24 ZXR10_B(config-gei_1/24)#switchportmodetrunk ZXR10_B(config-gei_1/24)#switchporttrunkvlan10 ZXR10_B(config-gei_1/24)#switchporttrunkvlan20 ZXR10_B(config-gei_1/24)#exit
ConfiguringPVLAN
Step
CommandFunction
1
ZXR10(config)#vlanprivate-mapsession-id<id>[i
solate<port-list>][promis<port-list>][community
<port-list>]
Thisconguresisolated ports,promiscuousportsand communityportofPrivate VLAN.
2
ZXR10(config)#showvlanprivate-map
Thisdisplaystheconguration informationofPVLAN.
ExampleThecongurationoftwoisolatedgroupsisshownbelow.
Isolatedgroup1:gei_1/1,gei_1/2,xgei_2/1andxgei_3/1areiso­latedports,portgei_1/10isapromiscuousport.
10CondentialandProprietaryInformationofZTECORPORATION
Chapter1VLANConguration
Isolatedgroup2:gei_1/3,gei_1/4andgei_4/1areisolatedports, gei_1/5,gei_1/6andgei_5/1arecommunityports,gei_1/11and gei_1/12arepromiscuousports.
Thedetailedcongurationisasfollows:
ZXR10(config)#vlanprivate-mapsession-id1isolate
gei_1/1-2,gei_2/1,gei_3/1promisgei_1/10 ZXR10(config)#vlanprivate-mapsession-id2isolate gei_1/3-4,gei_4/1promisgei_1/11-12communitygei_1/5-6,gei_5/1 ZXR10(config)#showvlanprivate-map SessionIsolate_PortsPromis_PortsCommunity_portsVlan_CfgVlan
-----------------------------------------------------------------­1gei_1/1-2,gei_1/10
_2/1,gei_3/1
2gei_1/3-4,gei_1/11-12gei_1/5-6,gei_5/1
_4/1
ZXR10(config)#
ConfiguringQinQ
Step
CommandFunction
1
ZXR10(config-if)#switchport<port-list>qinq
{normal|uplink|customer|tpid<tpid>}
WhenconguringQinQ,it needstosetcustomerportof SPVLANtountaggedportand uplinkporttotaggedport.
2
ZXR10(config)#showqinq
Thisviewsconguration informationofQinQ.
ExampleIn,assumeswitchA’scustomerportisgei_1/1,itsuplinkportis
gei_1/24,switchB’scustomerportisgei_1/1anditsuplinkport isgei_1/24.
CongurationofSwitchA:
ZXR10_A(config)#vlan10 ZXR10_A(config-vlan)#exit ZXR10_A(config)#interfacegei_1/1 ZXR10_A(config-if)#switchportqinqcustomer ZXR10_A(config-if)#switchportaccessvlan10 ZXR10_A(config-if)#exit ZXR10_A(config)#interfacegei_1/24 ZXR10_A(config-if)#switchportqinquplink ZXR10_A(config-if)#switchportmodetrunk ZXR10_A(config-if)#switchporttrunkvlan10 ZXR10_A(config-if)#exit
CongurationofSwitchB:
ZXR10_B(config)#vlan10 ZXR10_B(config-vlan)#exit ZXR10_B(config)#interfacegei_1/1 ZXR10_B(config-if)#switchportqinqcustomer ZXR10_B(config-if)#switchportaccessvlan10 ZXR10_B(config-if)#exit ZXR10_B(config)#interfacegei_1/24 ZXR10_B(config-if)#switchportqinquplink ZXR10_B(config-if)#switchportmodetrunk ZXR10_B(config-if)#switchporttrunkvlan10 ZXR10_B(config-if)#exit
CondentialandProprietaryInformationofZTECORPORATION11
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
ConfiguringSubnetVLAN
Step
CommandFunction
1
ZXR10(config)#vlansubnet-mapsession-no<session
-no><ipaddr><mask>vlan{<vlanid><name>}
ThiscreatesasubnetVLAN.
2
ZXR10(config)#showvlansubnet-map
Thisdisplayscongurationof subnetVLAN.
ExampleAsshowninFigure4,congureVLANdataontheswitch.Cong-
ureVLAN20andVLAN30.Portgei_1/1belongstoVLAN20,port gei_1/2belongstoVLAN30,portgei_1/10belongstobothVLAN20 andVLAN30.ConguredifferentPVIDsforgei_1/1,gei_1/2and gei_1/10.PCsin20.20.20.0/24haveaccesstoserver1,andthe PCwhoseIPaddressis30.30.30.1hasaccesstoserver2.
FIGURE4SUBNETVLANCONFIGURATIONEXAMPLE
Congurationofswitch:
/*CreateaVLANandassignportstoit*/ ZXR10(config)#interfacegei_1/1 ZXR10(config-gei_1/1)#switchportmodehybrid ZXR10(config-gei_1/1)#switchporthybridnativevlan20 ZXR10(config-gei_1/1)#switchporthybridvlan20untag
12CondentialandProprietaryInformationofZTECORPORATION
Chapter1VLANConguration
ZXR10(config-gei_1/1)#exit ZXR10(config)#interfacegei_1/2 ZXR10(config-gei_1/2)#switchportmodehybrid ZXR10(config-gei_1/2)#switchporthybridnativevlan30 ZXR10(config-gei_1/2)#switchporthybridvlan30untag ZXR10(config-gei_1/2)#exit ZXR10(config)#interfacegei_1/10 ZXR10(config-gei_1/10)#switchportmodehybrid ZXR10(config-gei_1/10)#switchporthybridvlan20,30untag ZXR10(config-gei_1/10)#exit /*CreatesubnetVLANdata*/ ZXR10(config)#vlansubnet-mapsession-no
120.20.20.0255.255.255.0vlan20 ZXR10(config)#vlansubnet-mapsession-no
230.30.30.1255.255.255.255 vlan30 /*disablesubnetVLANinsomeportswhichdon’tneedsubnetVLAN*/ ZXR10(config)#interfacegei_1/5 ZXR10(config-gei_1/5)#vlansubnet-mapdisable ZXR10(config-gei_1/5)#exit
ConfiguringProtocolVLAN
Step
CommandFunction
1
ZXR10(config)#vlanprotocol-mapsession-no
<session-no>{ethernet2|llc|snap}<0xHHHH>vlan {<vlanId>|<name>}
Thisconguresprotocol VLAN.
2
ZXR10(config)#showvlanprotocol-map
Thisviewstheconguration ofprotocolVLAN.
ExampleCustomerportgei_1/1ofaswitchreceives0X1000packetsand
0X1001packets.Thesepacketswithdifferenttagscanbeob­servedontheothertwoports,gei_1/2andgei_1/3respectively.
Thedetailedcongurationisasfollows:
Congurationofswitch:
/*createprotocolvlandata*/ ZXR10(config)#vlanprotocol-mapsession-no1ethernet2
0x1000vlan10 ZXR10(config)#vlanprotocol-mapsession-no2ethernet2 0x1001vlan20 /*putportintocorrespondingVLAN*/ ZXR10(config)#interfacegei_1/1 ZXR10(config-if)#switchportmodetrunk ZXR10(config-if)#switchporttrunkvlan10,20 ZXR10(config-if)#exit ZXR10(config)#interfacegei_1/2 ZXR10(config-if)#switchportmodetrunk ZXR10(config-if)#switchporttrunkvlan10 ZXR10(config-if)#exit ZXR10(config)#intgei_1/3 ZXR10(config-if)#switchportmodetrunk ZXR10(config-if)#switchporttrunkvlan20 ZXR10(config-if)#exit /*disableprotocolvlaninsomeportswhichdon’t
needprotocolvlan*/ ZXR10(config)#interfacegei_1/5 ZXR10(config-gei_1/5)#vlanprotocol-mapdisable ZXR10(config-gei_1/5)#exit
CondentialandProprietaryInformationofZTECORPORATION13
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
ConfiguringVLAN Translation
Step
CommandFunction
1
ZXR10(config)#vlantranslatesession-no
<session_id>ingress-port<interface-name> ingress-vlan<vlan-list>egress-vlan<vlanId>
ThisconguresVLAN Translation.
2
ZXR10(config)#showvlantranslate
Thisviewstheconguration ofVLANTranslation.
3
ZXR10(config)#vlanegr-translatesession-no
<session_id>egress-port<interface-name> egress-vlan<vlan-list>ingress-vlan<vlanId>
ThisconguresVLAN egr-translation.
ExamplePortgei_1/1receivesapacketwhichbelongstovlan100.This
packetistobesenttoxgei_2/1.Portxgei_2/1belongstoVLAN
200.Asforthedownlinkdata,usershopethatVLAN200for­wardedfromxgei_2/1isconvertedtoVLAN100.
Thedetailedcongurationisasfollows:
Congurationofswitch:
ZXR10(config)#vlantranslatesession-no1
ingress-portgei_1/1ingress-vlan100egress-vlan200 ZXR10(config)#vlanegr-translatesession-no1 egress-portgei_1/1egress-vlan200ingress-vlan100 ZXR10(config)#interfacegei_1/1 ZXR10(config-gei_1/1)#ingressfilteringdisable ZXR10(config-gei_1/1)#switchportmodehybrid ZXR10(config-gei_1/1)#switchporthybridvlan100,200 ZXR10(config-gei_1/1)#exit ZXR10(config)#interfacegei_2/1 ZXR10(config-gei_2/1)#switchportmodehybrid ZXR10(config-gei_2/1)#switchporthybridvlan200 ZXR10(config-gei_2/1)#exit
ConfiguringSuperVLAN
Step
CommandFunction
1
ZXR10(config)#interface{supervlan<supervlan-id
>|<supervlan-name>}
ThiscreatesaSuperVLAN.
2
ZXR10(config-vlanX)#supervlan<supervlan-id>Thisaddssub-VLANsonto
SuperVLAN.
3
ZXR10(config)#supervlaninter-subvlan-routing
{enable|disable}
Thisenables/disablesrouting functionamongsub-VLANs.
4
ZXR10#showsupervlanThisviewsSuperVLAN
congurationinformation.
ExampleAsshowninFigure5,congureaSuperVLANonswitchA,withits
subnetas10.1.1.0/24andgatewayas10.1.1.1.Conguretwo
14CondentialandProprietaryInformationofZTECORPORATION
Chapter1VLANConguration
sub-VLANsonswitchB,VLAN2andVLAN3,andcongurethem tobelongtotheSuperVLAN.SwitchAandswitchBareconnected throughtrunkports.
FIGURE5SUPERVLANCONFIGURATIONEXAMPLE
CongurationofSwitchA:
/*CreateaSuperVLAN,andassignsubnetandgatewayforit*/ ZXR10_A(config)#interfacesupervlan10 ZXR10_A(config-supervlan10)#ipaddress10.1.1.1255.255.255.0 ZXR10_A(config-supervlan10)#exit /*AddtheSubVLANtotheSuperVLAN*/ ZXR10_A(config)#vlan2 ZXR10_A(config-vlan2)#supervlan10 ZXR10_A(config-vlan2)#exit ZXR10_A(config)#vlan3 ZXR10_A(config-vlan3)#supervlan10 ZXR10_A(config-vlan3)#exit
/*Setvlantrunkport*/ ZXR10_A(config)#interfacegei_1/10 ZXR10_A(config-gei_1/10)#switchportmodetrunk ZXR10_A(config-gei_1/10)#switchporttrunkvlan2-3 ZXR10_A(config-gei_1/10)#exit
CongurationofSwitchB
ZXR10_B(config)#interfacegei_1/1 ZXR10_B(config-gei_1/1)#switchportaccessvlan2 ZXR10_B(config-gei_1/1)#exit ZXR10_B(config)#interfacegei_1/2 ZXR10_B(config-gei_1/2)#switchportaccessvlan2 ZXR10_B(config-gei_1/2)#exit ZXR10_B(config)#interfacegei_1/5 ZXR10_B(config-gei_1/5)#switchportaccessvlan3 ZXR10_B(config-gei_1/5)#exit ZXR10_B(config)#interfacegei_1/6 ZXR10_B(config-gei_1/6)#switchaccessvlan3 ZXR10_B(config-gei_1/6)#exit ZXR10_B(config)#interfacegei_1/10 ZXR10_B(config-gei_1/10)#switchmodetrunk ZXR10_B(config-gei_1/10)#switchtrunkvlan2-3
CondentialandProprietaryInformationofZTECORPORATION15
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
ZXR10_B(config-gei_1/10)#exit
VLANMaintenanceand Diagnosis
ForconvenientVLANmaintenanceanddiagnosis,ZXR10 5900/5200providesthefollowingcommands:
showvlan[brief|access|trunk|hybrid|id<vlan-id>[ifindex ]|name<vlan-name>[ifindex]]
ThiscommandcanbeusedtoviewinformationaboutallVLANs, VLANwithspeciedID/name,andVLANswiththeirportsmodeas Access/Trunk/Hybrid.Thetwoexamplesareasfollows.
1.Thisexampleshowshowtoviewthecongurationinformation ofVLANs.
ZXR10(config)#showvlan VLANNameStatusSaidMTUIfIndexPvidPortsUntagPorts TagPorts
------------------------------------------------------------------
1VLAN0001active10000115000gei_1/5-12
10VLAN0010active10001015000gei_1/1-3 100VLAN0100active10010015000 gei_1/3-4 130VLAN0130active10013015000gei_1/4gei_1/4 136VLAN0136active10013615000
gei_1/4
200VLAN0200active10020015000
gei_1/3 ZXR10(config)#
2.ThisexampleshowsinformationofalltheVLANswiththeirport modeasTrunk.
ZXR10(config)#showvlantrunk VLANNameStatusSaidMTUIfIndexPvidPortsUntagPorts TagPorts
------------------------------------------------------------------
1VLAN0001active10000115000
10VLAN0010active10001015000gei_1/3
100VLAN0100active10010015000
gei_1/3
130VLAN0130active10013015000 136VLAN0136active10013615000
200VLAN0200active10020015000 gei_1/3 ZXR10(config)#
16CondentialandProprietaryInformationofZTECORPORATION
Chapter2
SVLANConfiguration
TableofContents
SVLANOverview...............................................................17
SVLANConguration..........................................................17
SVLANCongurationExample.............................................19
SVLANMaintenanceandDiagnosis.......................................21
SVLANOverview
ThefullnameofSVLANisselectiveVLAN.SVLANisakindofVLAN tunneltechnology .Itprovidesmulti-pointtomulti-pointVLAN transparenttransportationserviceandsimpleLayer2VPNtunnel bymeansofaddingaVLANtagoutsideoriginal802.1Qtagand gettingridofoutsideVLANtagwhenthepacketistransportedto edgeswitch.
SVLANhasthefunctionofprovidingSPVLANtagaccordingtotraf­c,whichisdifferentfromthatordinaryQinQaddsSPVLANtag basedonports.Thatis,inthesameCustomerport,according todifferencebetweentrafccarriedCVLANtags,providecorre­spondingSPVLANtagbasedonuserdemands.
SVLANcanmodifyoutertagvalueaccordingtoinnertag,outer tag,orthecombinationoftheformertages.Alsoitcancontrol ifdownlinkstreamneedtoberedirectedfromuplinkporttocus­tomerport.
WithSVLANfunction,UsercanimplementmapfromQOSto SPVLANofCVLANtag.
SVLANConfiguration
1.T ocongureSVLAN,usethefollowingcommand.
CondentialandProprietaryInformationofZTECORPORATION17
ZXR105900/5200SeriesUserManual(EthernetSwitchingVolume)
Step
CommandFunction
1
ZXR10(config)#vlanqinqsession-no<session_id>
customer-port<interface-name>uplink-port <interface-name>in-vlan<vlan-list>{ovlan {<vlanId>|<name>}[priority<priority-id>]|untag }
Thiscommandcongures SVLAN.
2
ZXR10(config)#vlanqinqextend-session-no
<session_id>customer-port<interface-name >uplink-port<interface-name>{in-vlan <vlan-list>|outer-vlan<vlanId>|untag }[outer-vlan<vlanId>]{ovlan<vlanId>[ priority<priority-id>|map]|helpvlan <helpvlanId>}[unredirect]
Thiscommandcongures SVLAN.
ParamtersDescription:
Parameter
Description
session-no
<1-768>
customer-port
CUSTOMERport,whichconnectsuser .
uplink-portUPLINKport,whichconnectsserviceprovider.
in-vlan
VIDofCVLAN
ovlan
VIDofSPVLAN
Priority
designateSPVLAN802.1ppriority<0~7>
untag
transparenttransportationCVLANTAG
extend-session-no
<1-1000>
untag
NotcarryingCVLANorVIDofCVLANis0.
outer-vlan
Thepackethastwolayertagesbeforeenteringintocustomer port,itdesignatesouterVID.
map
designate802.1ppriorityinSPVLANas802.1ppriorityin CVLAN.
helpvlanWhentransportingCVLANTAGtransparently ,theneeded
auxiliaryVLANVID.Whensingletagtransporting transparently,packetonlycarriesCVLANTAGwhen sendedfromUPLINKport.Whendoubletagstransporting transparently,auxiliaryVLANVIDshouldbethesameas outerone.Thepacketstillhastwolayertagssendedfrom UPLINKport.
unredirect
Thedownlinkpacketreceivedfromuplinkportneedn’t redirecttocustomerportforcibly.
2.T odeleteSVLANconguration,usethefollowingcommand.
18CondentialandProprietaryInformationofZTECORPORATION
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