Dell PowerConnect 35 SERIES, Руководство пользователя

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Configuring Switch Information
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• Path Cost (1-200000000) — The port contribution to the root path cost. The path cost is adjusted to
a higher or lower value, and is used to forward traffic when a path being rerouted.
• Default Path Cost — Indicates if the device uses the default path cost. The possible field values are:
– Checked — Device uses the default path cost.
– Unchecked — Device uses path cost defined in the Path Cost field above.
• Priority — Priority value of the port. The priority value influences the port choice when a bridge has
two ports connected in a loop. The priority value is between 0 -240. The priority value is provided in
increments of 16.
• Designated Bridge ID — The bridge priority and the MAC Address of the designated bridge.
• Designated Port ID — The designated port’s priority and interface.
• Designated Cost — Cost of the port participating in the STP topology. Ports with a lower cost are less
likely to be blocked if STP detects loops.
• Forward Transitions — Number of times the port has changed from the Forwarding state to Blocking .
• LAG — The LAG to which the port is attached.
Enabling STP on a Port
1 Open the Spanning Tree Port Settings page.
2 Select the port.
3 Select Enabled in the STP field.
4 Define the Fast Link, Root Guard , Path Cost , Default Path Cost , and the Priority fields.
5 Click Apply Changes .
STP is enabled on the port.
Modifying STP Port Properties
1
Open the Spanning Tree Port Settings page.
2 Select the port.
3 Modify the relevant fields.
4 Click Apply Changes .
The STP port parameters are modified, and the device is updated.