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
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.
description
Enter a description of the spanning tree.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
description {description}
To remove the description from the spanning tree, use the no description 
{description} command.
Parameters
description
Enter a description to identify the Spanning Tree (80 characters 
maximum).
Defaults none
Command Modes SPANNING TREE (The prompt is “config-stp”.)
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
pre-Version 
7.7.1.0
Introduced
Related 
Commands
protocol spanning-tree – enters SPANNING TREE mode on the switch.
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