Multiple Spanning Tree Protocol (MSTP) | 377
protocol spanning-tree mstp 
Enter MULTIPLE SPANNING TREE mode to enable and configure the multiple spanning tree group.
Syntax
protocol spanning-tree mstp
To disable the multiple spanning tree group, use the no protocol spanning-tree mstp command.
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Example
Figure 20-2.  protocol spanning-tree mstp Command Example
Usage
Information
MSTP is not enabled when you enter the MULTIPLE SPANNING TREE mode. To enable MSTP 
globally on the switch, enter no disable while in MULTIPLE SPANNING TREE mode. 
For more information about the multiple spanning tree protocol, refer to the FTOS Configuration 
Guide. 
Related
Commands
revision 
The revision number for the multiple spanning tree configuration
Syntax
revision range
To return to the default values, use the no revision command.
Parameters
 
Defaults
0
Command Modes
MULTIPLE SPANNING TREE
Command
History
Usage
Information
For two MSTP switches to be within the same MST region, the switches must share the same revision 
number. 
Related
Commands
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
FTOS(conf)#protocol spanning-tree mstp 
FTOS(conf-mstp)#no disable
disable Disables MSTP. 
range
Enter the revision number for the MST configuration. 
Range: 0 to 65535
Default: 0
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
msti Maps the VLAN(s) to an MST instance
name Assigns the region name to the MST region.