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Service provider bridges (also called provider bridges) allow devices in a service provider network to transparently carry the Layer 2 control frames of a customer. Spanning Tree Protocol (STP) bridge protocol data units (BPDUs) or Cisco Discovery Protocol frames are carried separately from the service provider traffic and from other customer ...
Overview of IEEE 802.1ad Support on Provider Bridges. Table 4: Layer 2 PDU Destination MAC Addresses for Customer-Facing S-Bridge UNI Ports
802.1ad - Provider Bridges. This amendment to IEEE Std 802.1Q-1998 is intended to develop an architecture and bridge protocols, compatible and interoperable with existing Bridged Local Area Network protocols and equipment, to provide separate instances of the MAC services to multiple independent users of a Bridged Local Area Network in a manner that does not require cooperation among the users ...
The IEEE 802.1ah on Provider Backbone Bridges feature encapsulates the end users traffic inside the service providers MAC header, enabling the backbone edge bridge (BEB) to support large numbers of service instances.
IEEE 802.1ad. Not to be confused with IEEE 802.3ad, IEEE 802.11ad, or IEEE 802.11ac. IEEE 802.1ad is an amendment to the IEEE 802.1Q-1998 networking standard which adds support for provider bridges. It was incorporated into the base 802.1Q standard in 2011. [1] The technique specified by the standard is known informally as stacked VLANs or QinQ.
Dec 31, 2005 · This amendment enables a service provider to use the architecture and protocols of IEEE Std 802.1Q to offer the equivalent of separate LANs, Bridged Local Area Networks, or Virtual Bridged Local Area Networks to a number of customers, while requiring no cooperation between the customers, and minimal cooperation between each customer and the service provider.
Aug 14, 2008 · Scope: Insert the following text and bullets immediately after bullet z: To allow scaling of Provider Networks to at least 224 Service Virtual LANs, this standard further specifies the operation of Provider Backbone Bridges (PBBs) by means of an architecture and bridge protocols compatible and interoperable with Provider Bridged Network protocols and equipment, allowing interconnection of ...
