Spanning-Tree Operation
802.1D 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 6-19. Example of STP Status with Trk1 (Trunk 1) as the Path to the STP Root
Device
2. Press
[S] (for Show ports) to display the status of individual ports.
Links to PC or
Workstation
End Nodes
Redundant
STP Link in
(Fast) Uplink
Mode
Redundant
STP Link in
(Fast) Uplink
Mode
Figure 6-20. Example of STP Port Status with Two Redundant STP Links
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