ADTRAN Total Access 5000 - Example #3: EVC Map Forwarding; Figure F-3. E-Line Service - EVC Per Multiple CE-Vlans; Figure F-4. Detailed Mapping of a Point-To-Point EVC

Total Access 5000 Business Services Deployment Guide
F-12 65K510DEP08-1A
Figure F-3. E-Line Service - EVC per Multiple CE-VLANs
FigureF‐4providesamoredetailedviewofthemappingofthecustomerVLANsintothe
EVCintheUNI‐to‐MENdirection.Forthisexample,theCoSforeachreceivedcustomer
frameisinheritedfromtheP‐bitvalueoftheoutermostcustomerVLANtag.Thefollowing
provisioningwould
applyoneachsystem.
•EVC#1:MENPort=EFM‐Group1/0/1,S‐tag=101,CE‐VLAN‐IDPreservation=Enabled
•EVC‐map#1:UNI=Ethernet1/0/1,CE‐VLAN‐ID=1,EVC=1,MEN‐Pri=Inherit
•EVC‐map#2:UNI=Ethernet1/0/1,CE‐VLAN‐ID=
2,EVC=1,MEN‐Pri=Inherit
Figure F-4. Detailed Mapping of a Point-to-Point EVC
Example #3: EVC Map Forwarding
WhentwoormoreEVCmapshaveoverlappingcriteriaandanincomingpacketmatchestwo
ormoreofthecriteriafortheEVCmaps,theEVCmapthathasprovisioningoptionshigherin
theorderofprecedence(refertoRule13onpage F‐3)isusedtoforwardtraffic.
Anexample
inwhichthreeEVCmapsareconfiguredontheNCTEisdefinedasfollows:

evc-map 1
connect uni eth 1/0/1
match l2cp
match ce-vlan-id 1
match ce-vlan-pri 5
UNI
CE VLAN 1
CE VLAN 2
MEN
UNI
CE VLAN 1
CE VLAN 2
EVC #1, SVID = 101
UNI
P-bit 6
P-bit 7
CE VLAN ID 1
P-bit 6
P-bit 7
CE VLAN ID 2
Customer
Interface
P-bit 7
P-bit 6
EVC #1
SVID 101
Bonding
Group
Metro Ethernet
Network Interface
Link #1
Link #n
Link #2
Link #3