Command Line Reference Guide

Multiple Spanning Tree Protocol (MSTP) | 903
Command Modes
SPANNING TREE (The prompt is “config-mstp”.)
Command
History
Related
Commands
disable
c e s
Globally disable Multiple Spanning Tree Protocol on the switch.
Syntax
disable
To enable Multiple Spanning Tree Protocol, enter no disable.
Defaults
Multiple Spanning Tree Protocol is disabled
Command Modes
MULTIPLE SPANNING TREE
Command
History
Related
Commands
forward-delay
c e s
The amount of time the interface waits in the Blocking State and the Learning State before
transitioning to the Forwarding State.
Syntax
forward-delay seconds
To return to the default setting, enter no forward-delay.
Parameters
Defaults
15 seconds
Command Modes
MULTIPLE SPANNING TREE
Command
History
Related
Commands
pre-7.7.1.0 Introduced
protocol spanning-tree mstp Enter Multiple SPANNING TREE mode on the switch.
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
Version 6.5.1.0 Introduced
protocol spanning-tree mstp Enter MULTIPLE SPANNING TREE mode.
seconds
Enter the number of seconds the interface waits in the Blocking State and the Learning State
before transiting to the Forwarding State.
Range: 4 to 30
Default: 15 seconds.
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
Version 6.5.1.0 Introduced
max-age Change the wait time before MSTP refreshes protocol configuration information.
hello-time Change the time interval between BPDUs.