ADTRAN Total Access 5000 - Table F-5. CE-VLAN Preservation Options

Total Access 5000 Business Services Deployment Guide
F-6 65K510DEP08-1A
Table F-5. CE-VLAN Preservation Options
Option Definition
Enabled Whenthisattributeissettoenabled,thefollowingoccurs.
•IntheUNI‐to‐MENdirection,theframeisencapsulatedand
transportedbytheEVCasis.
•IntheMEN‐to‐UNIdirection,theframeisunencapsulated
andegressestheUNI.
Disabled Whenthisattributeissettodisabled,thefollowingoccurs.
•In
theUNI‐to‐MENdirection,theCE‐VLANtagisstrippedif
presentandtheframeisthenencapsulatedandtransportedby
theEVC.DependingontheMEN‐Priattributeofthe
associatedEVCmap(s),theP‐bitvalueoftheEVCiseitherset
explicitlyorisinheritedfromthe
strippedCE‐VLANtag.
•IntheMEN‐to‐UNIdirection,iftheconnectedEVCmapsare
matchingonasingleCE‐VLAN‐IDandnotmatching
untagged/prioritytagged,thentheframeisunencapsulated
andtheCE‐VLAN‐IDoftheEVCmapisadded.Dependingon
theMEN‐PriattributeoftheconnectedEVCmap(s),theP‐bit
valueoftheaddedCE‐VLANtagiseithersetexplicitlyoris
inheritedfromtheEVCs‐tag.
•IftheconnectedEVCmapsarematchingonasingleCE‐
VLAN‐IDandmatchinguntagged/prioritytagged,thenthe
frameisunencapsulatedandtheCE
‐VLAN‐IDoftheEVC
mapisnotadded.