Reference Guide
Parameters
stp-id Enter zero (0). The switch supports one spanning tree group 
with a group ID of 0.
protocol Enter the keyword for the type of STP to debug, either mstp, 
pvst, or rstp.
all (OPTIONAL) Enter the keyword all to debug all spanning 
tree operations.
bpdu (OPTIONAL) Enter the keyword bpdu to debug bridge 
protocol data units.
config (OPTIONAL) Enter the keyword config to debug 
configuration information.
events (OPTIONAL) Enter the keyword events to debug STP 
events.
general (OPTIONAL) Enter the keyword general to debug general 
STP operations.
root (OPTIONAL) Enter the keyword root to debug STP root 
transactions.
Command 
Modes
EXEC Privilege
Command 
History
This guide is platform-specific. For command information about other platforms, 
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0 Introduced on the S6000.
Version 
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.7.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version 
6.2.1.1
Introduced on the E-Series.
Usage 
Information
When you enable debug spanning-tree bpdu for multiple interfaces, the 
software only sends information on BPDUs for the last interface specified.
Related 
Commands
protocol spanning-tree — enters SPANNING TREE mode on the switch.
Spanning Tree Protocol (STP)
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