Zte ZXR10 5250-52TC - Page 131

Chapter5ServiceConguration
zte(cfg)#showvlansqinq
Sessionnumber:1
CustomerPort:1
CustomerVlanList:10
UplinkVlan:997
Sessionnumber:2
CustomerPort:1
CustomerVlanList:12
UplinkVlan:998
5.22VLANConguration
VLANOverview
TheVirtualLocalAreaNetwork(VLAN)protocolisabasicprotocoloflayer-2switching
equipment,whichenablestheadministratortodivideaphysicalLANintomultipleVLANs.
EachVLANhasaVLANIDtoidentifyituniquelyintheentireLAN.MultipleVLANsshare
theswitchingequipmentandlinksofthephysicalLAN.
Logically,aVLANislikeanindependentLAN.AllframeowsinthesameVLANare
restrictedinthisVLAN.Cross-VLANvisitcanonlybeimplementedthroughforwarding
onlayer3.Inthisway,thenetworkperformanceisimproved,andtheoverallowinthe
physicalLANiseffectivelylowered.
TheVLANhasthefollowingfunctions:
lReducesthebroadcaststormsofnetwork.
lEnhancesthenetworksecurity.
lProvidescentralizedmanagementandcontrol.
TheZXR105250alsosupportsthetagged-basedVLAN.ThisisamodedenedinIEEE
802.1Qandisauniversalworkingmode.Inthismode,thedivisionofVLANisbasedon
theVLANinformationabouttheport(PVID:portVLANID)ortheinformationintheVLAN
tag.Also,theZXR105250supportsthedivisionofVLANaccordingtothepacketprotocol
type,thatis,protocolVLAN.
ConguringaVLAN
TheVLANcongurationincludesthefollowingcommands:
CommandFunction
zte(cfg)#setvlan<vlanlist>{enable|disable}EnablesordisablesaVLAN.
zte(cfg)#setvlan<vlanlist>addport<portlist>[untag|tag]AddsaporttoaVLANand
conguresthelocationinthe
VLAN.
zte(cfg)#setvlan<vlanlist>deleteport<portlist>DeletestheportfromaVLAN.
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SJ-20131111172707-002|2013-11-27(R1.0)ZTEProprietaryandCondential