Version 7.5.1.0 Introduced on the C-Series.
Version 6.2.1.1 Introduced on the E-Series.
Example
FTOS#debug spanning-tree rstp bpdu gigabitethernet 2/0 ?
in Receive (in)
out Transmit (out)
description
Enter a description of the rapid spanning tree.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
description {description}
To remove the description, use the no description {description} command.
Parameters
description
Enter a description to identify the rapid spanning tree (80 characters 
maximum).
Defaults none
Command Modes SPANNING TREE (The prompt is “config-rstp”.)
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
pre-7.7.1.0 Introduced.
Related 
Commands
protocol spanning-tree rstp – enters SPANNING TREE mode on the switch.
disable
Disable RSTP globally on the system.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
disable
To enable Rapid Spanning Tree Protocol, use the no disable command.
Defaults RSTP is disabled.
Command Modes CONFIGURATION RSTP (conf-rstp)
1275