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Priority
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Sets a priority value for the switch in the range 0-255. The default value is 128. This value is used in the voting process between switches on the network to determine which switch will be the root switch.
A low value indicates a high priority, and a high probability that this switch will be elected as the root switch.
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PortState
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Read-only field that indicates one of the five possible STP port states:
- Blocking--the port is blocked from forwarding or receiving packets.
- Listening--the port is waiting to receive BPDU packets (that may cause the port to go back to the Blocking state).
- Learning--the port is adding learned addresses to its Forwarding database, but not yet forwarding packets.
- Forwarding--the port is forwarding packets.
- Disabled--the port is management disabled and will only respond to network management messages (and must return to the Blocking state, first).
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Status
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Sets the STP to enabled or disabled on this port.
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Path Cost
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Sets the port's path cost number, in the range 1 and 65535. The lower the path cost number, the greater the probability this port will be chosen to forward packets.
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Root
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Read-only field that indicates the bridge identifier of the root of the spanning tree, determined by the Spanning Tree Protocol as executed by this node. This value is used as the Root Identifier parameter in all Configuration Bridge PDUs originated by this node.
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Root Cost
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Read-only field that indicates the path cost to the root as seen from this bridge.
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Bridge
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Read-only field that indicates the Bridge Identifier of the bridge which this port considers to be the Designated Bridge for this port's segment.
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Bridge Port
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Read-only field that indicates the Port Identifier of the port on the Designated Bridge for this port's segment.
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Learn-Forward Transitions
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Read-only field that indicates the number of times this port has transitioned from the Learning state to the Forwarding state.
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Maximum size of INFO
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Read-only field that indicates the maximum size of the INFO (non-MAC) field that this port will receive or transmit.
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