802.1w Rapid Spanning Tree Protocol (RSTP) 802.1d Spanning Tree Protocol (STP)

802.1p Spanning-Tree Protocol (STP)

Indicates which uplink is the active path to the STP root device.

Note: A switch using fast-uplink STP must never be the STP root device.

Figure 13-18. Example of STP Status with Trk1 (Trunk 1) as the Path to the STP Root Device

2.Press ￿￿￿ (for Show ports) to display the status of individual ports.

Redundant

STP Link in

(Fast) Uplink

Mode

Links to PC or

Workstation

End Nodes

Redundant

STP Link in

(Fast) Uplink

Mode

Figure 13-19. Example of STP Port Status with Two Redundant STP Links

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