220 CHAPTER 15: SPANNING-TREE COMMANDS
Example
The following example restarts the protocol migration process on
Ethernet port g11.
spanning-tree mst
priority
The spanning-tree mst priority Global Configuration mode command
configures the device priority for the specified spanning-tree instance. To
restore the default configuration, use the no form of this command.
Syntax
spanning-tree mst instance-id priority priority
no spanning-tree mst instance-id priority
Parameters
■instance -id—ID of the spanning -tree instance (Range: 1-15).
■priority—Device priority for the specified spanning-tree instance
(Range: 0-61440 in multiples of 4096).
Default Configuration
The default bridge priority for IEEE Spanning Tree Protocol (STP) is 32768.
Command Mode
Global Configuration mode
User Guidelines
The device with the lowest priority is selected as the root of the spanning
tree.
Example
The following example configures the spanning tree priority of instance 1
to 4096.
spanning-tree mst max-hops
The spanning-tree mst priority Global Configuration mode command
configures the number of hops in an MST region before the BDPU is
Console# clear spanning-tree detected-protocols ethernet g11
Console (config) #
spanning-tree mst
1
priority
4096