Dell PowerEdge M805 - Manual (Page 477)

Spanning Tree Commands 469
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 mstp
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
User Guidelines
For two or more switches to be in the same MST region, they must have the same VLAN
mapping, the same configuration revision number and the same name.
Example
The following example configures an MST region.
console (config)#spanning-tree mst configuration
console (config-mst)#instance 1 add vlan 10-20
console (config-mst)#name region1
console (config-mst)#revision 1