HP procurve series 4100gl Management And Configuration Manual page 344

802.1w Rapid Spanning Tree Protocol (RSTP) and 802.1d Spanning Tree Protocol (STP)
802.1p Spanning-Tree Protocol (STP)
Figure 13-19. Example of STP Port Status with Two Redundant STP Links
13-36
Figure 13-18. Example of STP Status with Trk1 (Trunk 1) as the Path to the STP Root
Device
[S]
2. Press (for
Show ports
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.
) to display the status of individual ports.
Redundan
t STP Link
in (Fast)
Uplink
Mode
Links to PC or
Workstation
End Nodes
Redundant
STP Link in
(Fast) Uplink
Mode