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3-12 User Interface
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 | Table  | 
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 | Spanning Tree Configuration Menu Descriptions | 
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| Field | Description | 
| Bridge ID | A unique identifier for the bridge (switch) in the Spanning Tree. The ID is a | 
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 | combination of the bridge priority and port 1 MAC address. | 
| Designated Root | The bridge in the Spanning Tree with the lowest Bridge ID value, designated as the | 
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 | root bridge. | 
| Root Path Cost | The cost of the path to the root bridge. | 
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| Root Port | The port identifier of the port that offers the lowest cost path to the root bridge. | 
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| Topology Change Count | The number of times the network topology has changed from a Spanning | 
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 | Tree reconfiguration. | 
| Spanning Tree | Allows you to enable (Yes) or disable (No) the global Spanning Tree operation | 
| Protocol Enable | on the switch. | 
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| Port Configuration Menu | Provides access to the Spanning Tree Port Configuration Menu. | 
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| Hello Time (seconds) | The time interval between the sending of Configuration BPDUs by the bridge, if it is | 
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 | root  | 
| Forward Delay (seconds) | The delay before a port transfers into the forwarding state, if it is root  | 
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 | second range). | 
| Max Age (seconds) | The maximum age of received protocol information before it is discarded  | 
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 | second range). | 
| Bridge Priority | A relative priority of bridges, with the lowest value bridge ID indicating the highest | 
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 | priority  | 
Spanning Tree
Port Configuration Menu
The Spanning Tree Port Configuration Menu allows you to view Spanning Tree Configuration information for all of the ports in a table format. Select b from the Spanning Tree Configuration Menu to view the Spanning Tree Port Configuration Menu.
