Type | Shows port type as: | |
| 100TX : | |
| 100FX : | |
| 1000SX/LX : | |
| 1000T : | |
Status | Displays current state of this port within the Spanning Tree: | |
| Disabled | No link has been established on this port. Otherwise, the |
|
| port has been disabled by the user or has failed |
|
| diagnostics. |
| Blocking | Port receives STA configuration messages, but does not |
|
| forward packets. |
| Listening | Port will leave blocking state due to a topology change, |
|
| start transmitting configuration messages, but does not |
|
| yet forward packets. |
| Learning | Port has transmitted configuration messages. For an |
|
| interval set by the Forward Delay Parameter without |
|
| receiving contradictory information. Port address table is |
|
| cleared, and the port begins learning addresses. |
| Forwarding The port forwards packets, and continues learning | |
|
| addresses. |
| The rules defining port status are: | |
| • A port on a network segment with no other | |
| device is always forwarding. | |
| • If two ports of a switch are connected to the same segment and | |
| there is no other STA device attached to this segment, the port | |
| with the smaller ID forwards packets and the other is blocked. | |
| • All ports are blocked when the switch is booted, then some of them | |
| change state to listening, to learning, and then to forwarding. | |
Designated | The cost for a packet to travel from this port to the root in the current | |
Cost | Spanning Tree configuration. The slower the media, the higher the | |
| cost. |
|
Designated | The priority and MAC address of the device through which this port | |
Bridge (ID) | must communicate to reach the root of the Spanning Tree. | |
Designated Port | The priority and number of the port on the designated bridging device | |
(ID) | through which this switch must communicate with the root of the | |
| Spanning Tree. | |
2.6.4.Displaying VLAN Information
These menus display information on the ports that have been automatically learned via GVRP, and all the ports that have been configured by dynamic or static means to forward VLAN traffic.
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