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Internetworking Technologies Handbook, Fourth Edition by Cisco Systems, Inc.

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Chapter 27. Transparent Bridging

Objectives

  • Understand transparent bridge processes of learning, filtering, forwarding, and flooding.

  • Explain the purpose of the spanning-tree algorithm.

  • Describe the bridge and port modes in a spanning-tree network.

Transparent bridges were first developed at Digital Equipment Corporation (Digital) in the early 1980s. Digital submitted its work to the Institute of Electrical and Electronic Engineers (IEEE), which incorporated the work into the IEEE 802.1 standard. Transparent bridges are very popular in Ethernet/IEEE 802.3 networks. This chapter provides an overview of transparent bridging's handling of traffic and protocol components.

Transparent Bridging Operation

Transparent bridges are so named because their presence ...

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