Chapter 4 - Operation and Administration

4.2.6.4.1.3.4Service Provider Link

A Service Provider Link transfers both single tagged frames (Service Provider tag) and double-tagged frames (Service Provider tag + Customer tag). The Service Provider tag includes the Service Provider VLAN ID and the VLAN QinQ Ethertype.

The following tables summarize the functionality of the SU/AU data port for a Service Provider Link.

Table 4-10: VLAN Data Port Functionality for SU - Service Provider Link

 

 

Action

Data Port –SU

 

 

 

 

 

 

 

 

Accept from Ethernet

Untagged frames

 

 

 

 

 

Single tagged frames:

 

 

 

 

 

„ If Forwarding is disabled

 

 

 

 

 

„ If Forwarding is enabled, only frames with VLAN ID values

 

 

 

 

 

which are included in the Forwarding List

 

 

 

 

Accept from Wireless

Single tagged frames: only frames with a Service Provider tag

 

 

 

 

 

whose parameters match the Service Provider parameters

 

 

 

 

 

defined in the unit (Service Provider VLAN ID and VLAN QinQ

 

 

 

 

 

Ethertype)

 

 

 

 

 

Double tagged frames: only frames with a Service Provider tag

 

 

 

 

 

whose parameters match the Service Provider parameters

 

 

 

 

 

defined in the unit (Service Provider VLAN ID and VLAN QinQ

 

 

 

 

 

Ethertype). If Forwarding is enabled, only frames with Customer

 

 

 

 

 

VLAN ID values that are included in the Forwarding List

 

 

 

 

 

 

 

 

 

 

Tag Insert

Service Provider (SP) tag (to wireless)

 

 

 

 

 

 

 

 

 

 

Tag Remove

Yes (to Ethernet)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BreezeACCESS VL System Manual

 

 

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Alvarion SW VERSION 5.1 system manual 6.4.1.3.4Service Provider Link