User manual

C HAPTER 8 | Spanning Tree Algorithm
Displaying Global Settings for STA
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ES-2000 Series
DISPLAYING GLOBAL SETTINGS FOR STA
Use the Spanning Tree > STA (Configure Global - Show Information) page
to display a summary of the current bridge STA information that applies to
the entire switch.
PARAMETERS
The parameters displayed are described in the preceding section, except
for the following items:
◆ Bridge ID – A unique identifier for this bridge, consisting of the bridge
priority, and MAC address (where the address is taken from the switch
system).
◆ Designated Root – The priority and MAC address of the device in the
Spanning Tree that this switch has accepted as the root device.
◆ Root Port – The number of the port on this switch that is closest to the
root. This switch communicates with the root device through this port.
If there is no root port, then this switch has been accepted as the root
device of the Spanning Tree network.
◆ Root Path Cost – The path cost from the root port on this switch to
the root device.
◆ Configuration Changes – The number of times the Spanning Tree has
been reconfigured.
◆ Last Topology Change – Time since the Spanning Tree was last
reconfigured.