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Alternatively referred to as a star bus topology, tree topology is one of the most common network setups that is similar to a bus topology and a star topology.
Spanning tree in a nutshell. 1  STP provides a means to prevent loops by blocking links in an Ethernet network. 2  Blocked links can be brought in to service if active links fail. 3  The root bridge in a spanning tree is the logical center and sees all traffic on a network.TP configuration. Bridges will perform the spanning tree algorithm when they are first connected to the network or whenever there is a topology change. When a bridge hears a configuration message, a special type of BPDU (bridge protocol data unit), it will begin its disruptive spanning tree algorithm.