Bridge

Bridge
A bridge, specifically a transparent bridge, is a network device that connects two similar network segments together. The primary function of a bridge is to keep traffic separated on both
sides of the bridge. Traffic is allowed to pass through the bridge only if the transmission is intended for a station on the opposite side. The main reasons for putting a bridge in a network
are to connect two segments together and to divide a busy network into two segments. A switch can be thought of as a hardware-based multiport bridge.

Example:

Bridge

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