ADTRAN Total Access 5000 - Dscp; MEN-Pri; Men-Queue; Policer

Appendix F, NetVanta Examples - EVC Maps
65K510DEP08-1A F-9
DSCP
ThisattributeistheDSCPvalueoftheEthernetframereceivedattheUNIport.Thisattribute
canonlybespecifiediftheCE‐VLANP‐bitattributeisnotspecified.
Untagged and Priority Tagged Frames
Thisattributecontrolswhetheruntaggedandprioritytaggedframesareallowedtoingress
theUNIportinadditiontoframestaggedwiththespecifiedCE‐VLAN‐ID.TableF‐8liststhe
availableoptions.
AprioritytagisaframethatistaggedwithaCEVLANIDofzero.If
theuntaggedattributeis
specifiedwithnootherattributesexcepttheUNIport,thentheEVCmaponlyforwards
untaggedandprioritytaggedframestotheEVC.IfotherattributesarespecifiedfortheEVC
mapinadditiontotheuntaggedattribute,thentheuntaggedandprioritytaggedattribute
indicatesthat
untaggedandprioritytaggedframesareforwardedtotheEVCinadditionto
theframesthatarecharacterizedbytheotherEVCmapattributes.
MEN-Pri
ThisattributecontrolshowframesclassifiedbytheEVCmappopulate thep‐bitofthes‐tag
addedbytheEVC.Thisattributecanbeexplicitlysettoapriorityvalueintherangeof0to7
oritcanbesettoinherit.Ifthisattributeisset
toinherit,thetopVLANtagp‐bitvalueofthe
classifiedframesisusedtopopulatetheEVCs‐tagp‐bitfield.Iftheclassifiedframedoesnot
containaVLANtag,thep‐bitvalueusedcanbederivedfromasystemlevelsetting.Ifthe
attribute
isexplicitysettoavalue,allclassifiedframesbytheEVCmapaddtheEVCservice
tagwithap‐bitequaltotheexplicityconfiguredvalue.
Men-Queue
ThisattributecontrolshowframesadmittedbytheEVCmaparemappedtoqueues.Ifthe
MENqueueattributeisexplicityset,thetrafficentersthedesiredqueueregardlessofthe
systemlevelprovisionedp‐bittoqueuemappingfromthenetworkelement.Whensetto
inherit,itfollowsthesystem
levelprovisionedmapping.
TheCoSmappingcanbechangedfromthedefault802.1Q‐2005mappingbyusingtheqos
cos‐map<queue><class>command.
Policer
Thisattributedisplaysthepolicer,ifany,thatisappliedtotheEVCmap.
Table F-8. Untagged and Priority Tagged Frame Options
Option Definition
Enabled Untaggedandpriority‐taggedframesareallowedattheUNI
port.
Disabled Untaggedandpriority‐taggedframesarediscardedattheUNI
port.