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24-port NWay Ethernet Switch User’s Guide
148 Web-Based Network Management
♦ Spanning Tree Protocol Status Displays the current
Spanning Tree Protocol setting.
♦ Time Since Last Topology Change Displays the last time
changes were made to the network topology. These
changes usually occur when backup paths are activated
due to primary path failures.
♦ Topology Change Count Displays the number of times
(since the current management session with the device
was started) changes were made to the network
topology. Changes usually occur on the network when
backup paths are activated.
♦ MAC Address Displays the MAC address of the switch
acting as the root bridge.
♦ Path Cost Displays the cost for the path between the
Switch and the root bridge. If the Switch is the root
bridge, then the path cost is zero.
♦ Port Displays the port (on the switch) that offers the
least path cost from the bridge to the root bridge. In the
event of a network loop, data packets will pass through
the port specified here.
♦ Priority Displays the priority number of the root bridge
in the Spanning Tree. The value is used in conjunction
with the bridge MAC address to set the bridge ID, which
in turn is used in determining the root bridge of a multi-
bridged network. The root bridge is responsible for
processing data packets when network loops occur. The
smaller the number set, the higher the bridge priority is.
The higher the bridge priority, the more chances the
bridge has of becoming the root bridge. A bridge
priority ranges from 0 to 65535, with 0 being the highest
priority.