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Root bridge

communications, hardware, networking
A bridge which continuously transmits network topology information to other bridges, using the spanning tree protocol, in order to notify all other bridges on the network when topology changes are required.
This means that a network is able to reconfigure itself whenever a network link (e.g. another bridge) fails, so an alternative path can be found. The presence of a root bridge also prevents loops from forming in the network.
The root bridge is where the paths that frames take through the network they are assigned. It should be located centrally on the network to provide the shortest path to other links on the network. Unlike other bridges, the root bridge always forwards frames out over all of its ports.
Every network should only have one root bridge. It should have the lowest bridge ID number.


Read Also:

  • Root-canal

    noun, Dentistry. 1. Also called pulp canal. the root portion of the pulp cavity. 2. Informal. root canal therapy (def 2). noun 1. the passage in the root of a tooth through which its nerves and blood vessels enter the pulp cavity root canal n. The chamber of the dental pulp lying within the root […]

  • Root-canal-therapy

    noun 1. endodontics. 2. a specific treatment for disease of the dental pulp involving removal of the nerve and other tissues from the pulp cavity and their replacement with filling material.

  • Rootcap

    noun, Botany. 1. the loose mass of epidermal cells covering the apex of most roots, serving to protect the meristematic cells behind it.

  • Root caries index

    root caries index n. The ratio of the number of teeth with carious lesions of the root and restorations of the root to the number of teeth with exposed root surfaces.

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