D-Link DGS-3224TGR Command Line Interface Reference Manual page 54

show stp ports
Used to display the switch's current per-port group STP configuration.
Purpose
Syntax show stp ports <portlist>
Description This command displays the switch's current per-port group STP configuration.
<portlist> − Specifies a range of ports to be configured. The port list is specified by listing the
Parameters
beginning port number and the highest port number of the range. The beginning and end of
the port list range are separated by a dash. For example, 3 would specify port 3. 4 specifies
port 4. 3-4 specifies all of the ports between port 3 and port 4 − in numerical order.
Restrictions None
Example Usage:
To display STP state of port 1-2:
DGS-3224TGR:4#show stp ports 1-2
Command: show stp ports 1-2
Port Connection
------ ---------------------- ------ -----------
1 100M/Full/None Yes *200000
2 Link Down
DGS-3224TGR Gigabit Ethernet Switch CLI Reference Manual
State Cost
Yes *200000
Pri Edge P2P Status
----- ----- ------ ------------
128 No Yes Forwarding NonStp
128 No Yes Disabled
50
Role
------------
Disabled