Spanning Tree Commands 557

priority —

The port priority. (Range: 0–240 in multiples of 16)
Default Configuration
The default port-priority for IEEE MSTP is 128.
Command Mode
Interface Configuration (Ethernet, Port-Channel) mode
User Guidelines
This command has no user guidelines.
Example
The following example configures the port priority of port 1/g1 to 144.
console(config)#interface ethernet 1/g1
console(config-if-1/g1)#spanning-tree mst 1 port-
priority 144

spanning-tree mst priority

Use the spanning-tree mst priority command in Global Configuration mode
to set the switch priority for the specified spanning-tree instance. To return to
the default setting, use the no form of this command.
Syntax
spanning-tree mst
instance-id
priority
priority
no spanning-tree mst
instance-id
priority

instance-id —

ID of the spanning-tree instance. (Range: 1-15)

priority —

Sets the switch priority for the specified spanning-tree instance.
This setting affects the likelihood that the switch is selected as the root
switch. A lower value increases the probability that the switch is selected as
the root switch. (Range: 0-61440)
Default Configuration
The default bridge priority for IEEE STP is 32768.