Spanning-Tree Commands
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spanning-tree mst port-priority
The spanning-tree mst port-priority Interface Configuration mode command configures port priority for the
specified MST instance. To return to the default configuration, use the no form of this command.
Syntax
spanning-tree mst instance-id port-priority priority
no spanning-tree mst instance-id port-priority
Parameters
•
instance-ID—ID of the spanning tree instance. (Range: 1-16)
• priority—The port priority. (Range: 0 - 240 in multiples of 16)
Default Configuration
The default port priority for IEEE Multiple Spanning Tree Protocol (MSTP) is 128.
Command Modes
Interface Configuration (Ethernet, port-channel) mode
User Guidelines
There are no user guidelines for this command.
Example
The following example configures the port priority of port 1 to 142.
Console(config)#
interface ethernet
1
Console(config-if)#
spanning-tree mst
1
port-priority
142