Definitions for "Root Bridge"
Keywords:  spanning, bridge, topology, stp, tree
In STP, the root bridge is the base of the spanning tree; it is the bridge with the lowest identifier value (MAC address).
Within a spanning tree domain, the bridge designated to provide topology information to other bridges.
Exchanges topology information with designated bridges in a spanning-tree implementation in order to notify all other bridges in the network when topology changes are required. This prevents loops and provides a measure of defense against link failure.
A wireless transceiver connected to the main Ethernet network that communicates with other wireless transceivers connected to remote Ethernet networks.