![Luxul AMS-1208P Скачать руководство пользователя страница 19](http://html.mh-extra.com/html/luxul/ams-1208p/ams-1208p_quick-setup-manual_1952762019.webp)
17
Ethertype for Custom S-Ports:
AllowsyoutospecifytheEthertype/TPIDusedforCustomS-Ports.Thesettingisonly
usedforPortswhosePortTypeissettoS-Custom-Port.ForalistofEthertypespleasevisit:http://standards.ieee.org/
develop/regauth/ethertype/eth.txt
Port VLAN Configuration
Port:
DisplaysthePortNumberthatcorrespondstotheVLANConfigurationRow.
Mode Column Menu
AllowsyoutosetthePortModewhichdeterminesthebehaviorofthePort.
Access:
AccessPortsaretypicallyusedtoconnecttoClientDevices(i.e.PC,Laptop,IPPhone,etc…).
CanonlybeaMemberofoneVLAN,defaultisVLAN1.
WillAcceptUntaggedPacketsandC-TaggedPackets,
DiscardsallPacketsthatarenotTaggedtotheAccessVLAN.
OnEgressallPacketsareTransmittedUntagged.
Trunk:
TrunkPortscancarrytrafficfrommultipleVLANssimultaneouslyandaretipcallyusedtoconnecttoother
SwitchesorVLANcapableRouters.
BydefaultaTrunkPortisMemberofallexistingVLANs.ThiscanbelimitedusingtheAllowedVLANsoption.
BydefaultallPacketsexceptPacketsclassifiedasthePortVLANareTaggedonEgress.PacketsclassifiedasthePort
VLANwillnotbeTaggedonEgress.
EgressTaggingcanbechangedtoTagallPacketsinthisconfigurationonlyTaggedPacketsareAcceptedonIngress.
Hybrid:
HybridPortsaresimilartoTrunkPortsinmanywaysbutAddAdditionalPortconfigurationfeatures.InAddition
tothecharacteristicsdescribedforTrunkPortsHybridPortssupporttheseadditionalfunctions:
CanbeconfiguredtobeVLANTagUnawareor,C-TagAware,S-TagAware,orS-custom-TagAware
Ingressfilteringcanbeconfigured.
IngressAcceptanceofPacketsandconfigurationofEgressTaggingcanbeconfiguredindependently.
Port VLAN
AllowsyoutosetthePortsdefaultVLANID(PVID).AllowedVLANsRangefrom1-4095withadefaultofVLAN1.Ingress
PacketsareclassifiedasthePortVLANifthePortisconfiguredasVLANUnaware,theFrameisUntaggedorVLAN
AwarenessisEnabledonthePortbuttheFrameisPriorityTagged(VLANID=0).EgressPacketsclassifiedasthePort
VLANwillnotbeTaggedifEgressTaggingissettoUnTagPortVLAN.PortVLANistheAccessVLANforPortsinAccess
ModeandNativeVLANforPortsinTrunkorHybridMode.
Port Type
PortsinHybridModeallowyoutochangethePortTypewhichaffectswhetheraPacketsVLANTagisusedto
ClassifytheFrameonIngresstoaparticularVLAN.OnEgressthePortTypedeterminestheTPIDoftheTagifa
Taggingisrequired.
X
Unaware:
OnIngressallPacketsVLANTaggedornotaresetasthePortVLANandTagsarenotremovedonEgress.
X
C-Port:
OnIngressPacketswithaVLANTagwithTPID=0x8100aresettotheVLANIDembeddedintheTag.Ifa
FrameisUntaggedorPriorityTaggedtheFramewillbeTaggedtothePortVLAN.IfPacketsareTaggedonEgressthey
willbeTaggedwithaC-Tag.