Spanning Tree Commands 755
Command Mode
Interface Configuration (gigabitethernet, port-channel, tengigabitethernet,
fortygigabitethernet) mode
User Guidelines
The priority will be set to the nearest multiple of 4096 if not an exact multiple
of 4096.
Example
The following example configures the port priority of gigabit Ethernet
interface 1/0/5 to 144.
console(config)#
interface gigabitethernet 1/0/5
console(config-if)#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
Parameter Description
Default Configuration
The default bridge priority for IEEE STP is 32768.
Parameter Description
instance-id
ID of the spanning-tree instance. (Range: 1-4094)
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)
2CSPC4.X8100-SWUM102.book Page 755 Friday, March 15, 2013 8:56 AM