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Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.


Specified in IEEE 802.1D standard, a bridge is a device that connects two or more networks at the data-link layer (Layer 2). Bridges are not part of the collision domain; i.e., they may be used to split a network into multiple collision domains.

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