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Understanding the Creation of Ethernet Services
This article presents the creation of E-Line, E-LAN and E-Tree services as described in MEF 6.1. It also explains how to configure some of the service attributes for the created services, such as bandwidth profiles, CoS mapping and Layer-2 control protocol processing options. For information on monitoring performance, refer to the following articles:
The services you can create are:
Ethernet Service Mapping: Create E-Line, E-LAN and E-Tree services by mapping traffic to an Ethernet Virtual Connection (EVC). You can also specify, per-circuit, any combination of the following:
- VLAN tagging: adds a C-VLAN or S-VLAN tag to the frame (selective push)
- CoS mapping: sets PCP (C-VLAN, S-VLAN priority) value based on DSCP, IP Precedence or PCP
- Bandwidth policing: sets rate limiting based on the bandwidth profile defined for the selected flow (CIR, EIR, CBS or EBS)
Learn more about setting up ethernet services here
You can also explore managing Virtual Connection endpoints here
Token Bucket Algorithm for Bandwidth Profile
Bandwidth profiles can be specified as follows:
- Bandwidth Profiles Per Ingress UNI
- Bandwidth Profiles Per EVC
- Bandwidth Profiles Per CoS ID
Bandwidth Profile Types
Traffic Filtering: Filters can be defined to classify traffic based on any combination of the following frame characteristics:
- VLAN ID
- PCP value
- DSCP value
- IP precedence value
The filtered traffic can be either dropped or sent for service mapping, CoS mapping and/or bandwidth policing.
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