Dell Networking 7048 Reference Manual page 774

mst — Multiple Spanning Tree Protocol (MSTP) is enabled.
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Default Configuration
Rapid Spanning Tree Protocol (RSTP) is supported.
Command Mode
Global Configuration mode
User Guidelines
In RSTP mode, the switch would use STP when the neighbor switch is using
STP . In MSTP mode, the switch would use RSTP when the neighbor switch is
using RSTP and would use STP when the neighbor switch is using STP .
Example
The following example configures the spanning-tree protocol to MSTP.
console(config)#spanning-tree mode mst
spanning-tree mst configuration
Use the spanning-tree mst configuration command in Global Configuration
mode to enable configuring an MST region by entering the multiple
spanning-tree (MST) mode.
Syntax
spanning-tree mst configuration
Default Configuration
This command has no default configuration.
Command Mode
Global Configuration mode
774
Spanning Tree Commands