D-Link DES-3010PA - Switch Web User Manual page 148

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Speed — Indicates the speed at which the port is operating.
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Path Cost — Indicates 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 is re-routed.
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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 determined in increments of 16.
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Designated Bridge ID — Indicates the bridge priority and the MAC Address of the designated bridge.
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Designated Port ID — Indicates the selected port D-Link priority and interface.
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Designated Cost — Indicates the cost of the port participating in the STP topology. Ports with a lower cost
are less likely to be blocked if STP detects loops.
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Forward Transitions — Indicates the number of times the port has changed from Forwarding state to Block-
ing state.
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LAG — Indicates the LAG to which the port belongs.
2. Click . The STP Interface Settings Page opens:
Figure 89: STP Interface Settings Page
3. Select Enable in the STP field.
Page 147
Configuring Spanning Tree
Defining STP on Interfaces