Local Area Network Bridges Both the physical distance that Local Area Network (LAN) can cover and the number of hosts that can be attached to it are limited. To overcome this limitation, bridges are introduced as devices which connect LANs at the MAC layer. The purpose of bridges is to allow hosts attached to different LANs to communicate as if they were located on the same LAN. In contrast to repeaters, that act at the …showed first 75 words of 1006 total…

…showed last 75 words of 1006 total…along with this address is the same as the identifier of the bridge port on which that frame was received, the frame is not forwarded to any bridge port. If the port identifiers are different, the frame is forwarded on the bridge port identified in the forwarding database. References Interconnections: Bridges and Routers, Radia Perlman, Addison Wesley, May 1992, pg. 225-250 Local Area Networks: An Introduction to the Technology, John E. McNamara Butterworth-Heinemann, March 1997 , pg. 106-122