(also learning bridge, transparent bridging)
A transparent bridge serves as a networking apparatus that links a minimum of two network segments, facilitating the transfer of data between them without changing or modifying the data packets. Functioning at the data link layer (Layer 2) within the OSI model, its main responsibility is to learn and transmit ethernet frames according to their media access control (MAC) addresses. By utilizing transparent bridges, network collisions can be minimized and overall network efficiency is enhanced.
See also: OSI layer, data link layer
Transparent bridging differs from other bridging techniques like source route bridging (SRB) and translational bridging. While transparent bridging relies on MAC addresses to forward data, SRB uses source routing information within the frame to determine the path, and translational bridging converts between different network protocols.
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