Reference Guide

510 Spanning-Tree Commands
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2+3\new_system_mifs_ARC3_latest\Spanning-Tree.fm
DELL CONFIDENTIAL – PRELIMINARY 5/21/14 - FOR PROOF ONLY
spanning-tree mst priority
Use the spanning-tree mst priority Global Configuration mode command to
configure the device priority for the specified spanning-tree instance. Use the
no form of this command to restore the default configuration.
Syntax
spanning-tree mst instance-id priority priority
no spanning-tree mst instance-id priority
Parameters
• instance-id —Specifies the spanning-tree instance ID. (Range:1–16)
•
priority —Specifies the device priority for the specified spanning-tree
instance. This setting determines 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 priority is 32768.
Command Mode
Global Configuration mode
User Guidelines
The priority value must be a multiple of 4096.
The switch with the lowest priority is the root of the spanning tree.
Example
The following example configures the spanning tree priority of instance 1 to
4096.
console(config)# spanning-tree mst 1 priority 4096