User manual

Table Of Contents
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,sharesthesameat-
tributesasthosephysicalLANs.Allbroadcastandunicasttrafcs
withinaVLANarelimitedtotheVLANbutarenotforwardedto
anyotherVLAN.DevicesindifferentVLANsmustrelyonL3rout-
ingswitchingforcommunicationbetweenthem.
VLANprovidesthefollowingadvantages:
1.Lowerbroadcasttrafconthenetwork
2.Enhancednetworksecurity
3.Streamlinednetworkmanagement
VLANType
LANtypeofadevicedependsonhowitwilldivideareceivedframe
toaVLAN.ZXR105900/5200supportsport-basedVLAN,thesim-
plestandmosteffectivemethodofVLANdivision.Itdividesits
variousportsintodifferentVLANs,sothatanytrafcreceivedon
aportbelongstoitscorrespondingVLAN.
CondentialandProprietaryInformationofZTECORPORATION1