Users Guide

Version Description
6.5.1.0 Introduced.
Usage Information For two MSTP switches to be within the same MSTP region, the switches must share the same region
name (including matching case).
Related Commands
msti — maps the VLAN(s) to an MST instance.
revision — assigns the revision number to the MST conguration.
protocol spanning-tree mstp
To enable and congure the multiple spanning tree group, enter MULTIPLE SPANNING TREE mode.
S4820T
Syntax
protocol spanning-tree mstp
To disable the multiple spanning tree group, use the no protocol spanning-tree mstp command.
Defaults Not congured.
Command Modes CONFIGURATION
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
pre-6.2.1.1 Introduced on the E-Series.
Usage Information
MSTP is not enabled when you enter MULTIPLE SPANNING TREE mode. To enable MSTP globally on the
switch, enter the no disable command while in MULTIPLE SPANNING TREE mode.
For more information about the multiple spanning tree protocol, refer to the Dell Networking OS
Conguration Guide.
Example
Dell(conf)#protocol spanning-tree mstp
Dell(config-mstp)#no disable
1002
Multiple Spanning Tree Protocol (MSTP)