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328 Configuring Switch Information
•
Root Path Cost
— The cost of the path from this bridge to the root.
•
Topology Changes Counts
— Specifies the total amount of STP state changes that have occurred.
•
Last Topology Change
— Indicates the amount of time that has elapsed since the bridge was
initialized or reset, and the last topographic change occurred. The time is displayed in a D/H/M/S
format, for example, 2D/5H/10M/4S.
Defining STP Global Parameters
1
Open the page.
2
Select
Enable
in the
Spanning Tree State
field.
3
Select the
STP
mode in the
STP Operation Mode
field, and define the bridge settings.
4
Click
Apply Changes
.
STP is enabled on the device.
Modifying STP Global Parameters
1
Open the page.
2
Define the fields in the dialog.
3
Click
Apply Changes
.
The STP parameters are modified, and the device is updated.
Defining STP Global Parameters Using CLI Commands
The following table summarizes the equivalent CLI commands for defining STP global parameters as
displayed in the Spanning Tree Global Settings page.
Table 7-19. STP Global Parameter CLI Commands
CLI Command Description
spanning-tree Enables spanning tree functionality.
spanning-tree mode {stp | rstp | mstp} Configures the mode of the spanning tree protocol.
spanning-tree priority priority Configures the spanning tree priority.
spanning-tree hello-time seconds Configures the spanning tree bridge Hello Time, which is how
often the device broadcasts Hello messages to other devices.
spanning-tree max-age seconds Configures the spanning tree bridge maximum age.
spanning-tree forward-time seconds Configures the spanning tree bridge forward time, which is the
amount of time a port remains in the listening and learning
states before entering the forwarding state.