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S-Port:
OnIngressPacketswithaVLANTagwithTPID=0x8100or0x88A8aresettotheVLANIDembeddedinthe
Tag.IfaFrameisUntaggedorPriorityTaggedtheFramewillbeTaggedtothePortVLAN.IfPacketsareTaggedon
EgresstheywillbeTaggedwithaS-Tag.
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S-Custom-Port:
OnIngressPacketswithaVLANTagwithaTPID=0x8100orequaltotheEthertypeconfiguredfor
Custom-SPortsaresettotheVLANIDembeddedintheTag.IfaFrameisUntaggedorPriorityTaggedtheFramewill
beTaggedtothePortVLAN.IfPacketsareTaggedonEgresstheywillbeTaggedwithaS-Tag.
Ingress Filtering
HybridPortsallowyoutochangeIngressFiltering.AccessandTrunkPortsalwayshaveIngressFilteringEnabled.IfIngress
FilteringisEnabledPacketsTaggedtoaVLANthePortisnotaMemberofareDiscarded.IfIngressFilteringisDisabled
PacketsTaggedtoaVLANthePortisnotaMemberofareAcceptedandForwarded.HoweverthePortwillnotTransmit
PacketsTaggedtoaVLANitisnotaMemberof.
Ingress Acceptance
HybridPortsallowyoutochangethetypeofPacketsthatareAcceptedonIngress.
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Tagged and Untagged:
BothTaggedandUntaggedPacketsareAccepted.
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Tagged Only:
OnlyTaggedPacketsareAcceptedonIngress.UntaggedPacketsareDiscarded.
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Untagged Only:
OnlyUntaggedPacketsareAcceptedonIngress.TaggedPacketsareDiscarded.
Egress Tagging
PortsinTrunkandHybridModecancontroltheTaggingofPacketsonEgress.
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UnTag Port VLAN:
PacketsclassifiedwithinthePortVLANareTransmittedUntagged.OtherPacketsareTransmitted
withtherelevantTag.
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Tag All:
AllPacketswhetherclassifiedtothePortVLANornotareTransmittedwithaTag.
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UnTag All:
AllPacketswhetherclassifiedtothePortVLANornotareTransmittedwithoutaTag(Thisoptionisonly
availableforPortsinHybridMode).
Allowed VLANs
WithPortsinTrunkandHybridModeyoucancontrolwhichVLANstheyareallowedtobecomeMembersof.Access
PortscanonlybeMemberofoneVLANthePortVLAN.ThefieldssyntaxisidenticaltothesyntaxusedintheAllowed
AccessVLANsfield.BydefaultaPortmaybeaMemberofallpossibleVLANsandissetto1-4095.AllowedVLANsmay
beleftblank,thePortwillnotbeMemberofanyoftheExistingVLANs.However,ifitisconfiguredforVLANTrunkingit
willbeabletocarryallunknownVLANs.
Forbidden VLANs
APortmaybeconfiguredtoneverbeallowedtobecomeaMemberofoneormoreVLANs.Thisisusefulwhendynam-
icVLANProtocolsMVRPand/orGVRPmustbepreventedfromdynamicallyAddingPortsintounintendedVLANs.The
syntaxisidenticaltothesyntaxusedintheAllowedAccessVLANsfield.Bydefaultthisfieldisleftblankallowingthe
PortmaybecomeaMemberofallexistingVLANs.
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