D-Link DGS-3000 series - Debug Stp Show Flag

DGS-3000 Series Layer 2 Managed Gigabit Switch CLI Reference Guide
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48-3 debug stp show flag
Description
This command is used to display the STP debug level on specified ports.
Format
debug stp show flag {ports <portlist>}
Parameters
ports - (Optional) Specifies the STP ports to display.
<portlist> - (Optional) Enter the list of port used for this configuration here.
If no parameter is specified, all ports on the Switch will be displayed.
Restrictions
Only Administrators can issue this command.
Example
To display the debug STP levels on all ports: