Spanning Tree Algorithm
107
Instruction Manual - NXA-ENET8-POE+
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.
The following table lists the options on this page:
Perform these steps to display global STA settings:
1.
Click
Spanning Tree
>
STA
.
2.
Select
Configure Global
from the Step list.
3.
Select
Show Information
from the Action list.
FIG. 115
Configuring Global Settings for STA (MSTP)
Spanning Tree - STA Options
Bridge ID
A unique identifier for this bridge, consisting of the bridge priority, the MST Instance ID 0 for the
Common Spanning Tree when spanning tree type is set to MSTP, 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.
FIG. 116
Displaying Global Settings for STA