General status information

Bridge IDThis is the ID for the device that is being used by the Spanning Tree algorithm. It is composed of the user-defined priority (upper 16 bits) and the device MAC address (lower 48 bits).
Root bridgeThe ID for the device that is currently elected root bridge.
Root portThe port that can be used to reach the root bridge from this device. If the device itself is the root bridge, it is displayed with the special value '255'.
Root path costThe path costs of all hops added together in order to reach the root bridge from this device.
Protocol versionThe protocol version currently set for determining network topology.
Path cost computationThe protocol version currently set for computing path cost.
Bridge priorityCurrent setting for bridge priority.