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A network bridge is a computer networking device that creates a ... is a computer networking technology intended to simplify the creation and configuration of ...
A bridge router or brouter [1] is a network device that works as a bridge and as a router. The brouter routes packets for known protocols and simply forwards all other packets as a bridge would. [2] Brouters operate at both the network layer for routable protocols and at the data link layer for non-routable protocols. As networks continue to ...
A network switch (also called switching hub, bridging hub, Ethernet switch, and, by the IEEE, MAC bridge [1]) is networking hardware that connects devices on a computer network by using packet switching to receive and forward data to the destination device.
An example network. The numbered boxes represent bridges, that is switches in a LAN. The number is the bridge ID. The lettered clouds represent network segments. The smallest bridge ID is 3. Therefore, bridge 3 is the root bridge. The root bridge of the spanning tree is the bridge
The process applied to build up the main/basic tree is the same as in RSTP. In summary, firstly a bridge must be elected as the Root Bridge (this is done by the emission of BPDUs from each switch on the network periodically, every "Hello Time", and selecting the lowest Bridge ID).
By observing the source addresses of incoming frames, the bridge then builds an address table associating addresses to segments. Once an address is learned, the bridge forwards network traffic destined for that address only to the associated segment, improving overall performance. Broadcast traffic is still forwarded to all network segments ...
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A physical topology that contains switching or bridge loops is attractive for redundancy reasons, yet a switched network must not have loops. The solution is to allow physical loops, but create a loop-free logical topology using link aggregation , shortest path bridging , spanning tree protocol or TRILL on the network switches.