Spanning-Tree Mst Port-Priority; Spanning-Tree Mst Cost - Cisco 300 Series Cli Manual

Stackable managed switches

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46.20 spanning-tree mst port-priority

Use the spanning-tree mst port-priority Interface (Ethernet, Port Channel)

Configuration mode command to configure the priority of a port. Use the no form

of this command to restore the default configuration.

spanning-tree mst

no spanning-tree mst

instance-id—Specifies the spanning tree instance ID. (Range: 1–15)

priority—Specifies the port priority. (Range: 0–240 in multiples of 16)

Default Configuration

The default port priority is 128.

Command Mode

Interface (Ethernet, Port Channel) Configuration mode

User Guidelines

The priority value must be a multiple of 16.

The following example configures the port priority of

switchxxxxxx(config)#

switchxxxxxx(config-if)#

Use the spanning-tree mst cost Interface (Ethernet, Port Channel) Configuration

mode command to configure the path cost for MST calculations. If a loop occurs,

the spanning tree considers path cost when selecting an interface to put in the

port-priority

port-priority

spanning-tree mst 1 port-priority 144

OL-32830-01 Command Line Interface Reference Guide

Spanning-Tree Commands