Reference Guide
Command History
This guide is platform-specific. For command information about other platforms, refer to the 
relevant 
FTOS Command Line Reference Guide
.
The following is a list of the FTOS version history for this command.
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.
pre-Version 
7.7.1.0
Introduced
Related 
Commands
protocol spanning-tree — enters SPANNING TREE mode on the switch.
disable
Disable the spanning tree protocol globally on the switch.
S4820T
Syntax
disable
To enable Spanning Tree Protocol, use the no disable command.
Defaults Enabled (that is, the spanning tree protocol is disabled.)
Command Modes SPANNING TREE
Command History
This guide is platform-specific. For command information about other platforms, refer to the 
relevant 
FTOS Command Line Reference Guide
.
The following is a list of the FTOS version history for this command.
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.
Related 
Commands
protocol spanning-tree — enters SPANNING TREE mode on the switch.
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