Avaya Configuring Bridging Services Manual de usuario Pagina 149

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114060 Rev. A 4-1
Chapter 4
Using Translation Bridge Services
This chapter contains
An overview of the transparent-to-source routing translation bridge (referred
to as the translation bridge in this chapter)
Implementation information you should know before you use the translation
bridge
Instructions for operating the translation bridge
Descriptions of translation bridge parameters and instructions for editing
those parameters
Translation Bridge Overview
One type of network uses a technique called source routing (SR) to bridge frames
across networks. In SR networks, the station that transmits a frame includes, as
part of the frame, the route that frame should traverse. The station learns the route
through a route-discovery process. (Refer to Chapter
2 for details on source
routing bridge services.)
Another type of network uses a technique called transparent bridging (TB) to link
networks. In a TB network, the bridge builds a database of node addresses to
determine when it should forward or drop frames; the endstations on TB networks
are not aware of forwarding routes. (Refer to Chapter
1 for details on transparent
bridge services.)
The translation bridge provides a method of bridging these two kinds of networks.
This allows endstations using different bridging techniques to communicate as
though they use the same bridging technique.
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