Network bridge - Definition and Overview

A network bridge is an abstract device that connects multiple network segments along the data link layer. A concrete example of a bridge in a computer network is the network switch.

A USB-to-USB network bridge is a cable that connects two computers to transfer files (without a network switch).

A repeater is a similar abstract device that connects network segments at the physical layer. A hub is an example of a repeater.

See Also

• InterLnk
• null-modem