Cisco Catalyst 250 Series Command Reference

spanning-tree port-priority
To configure an interface priority when two bridges tie for position as the root bridge, use the
spanning-treeport-priority command in interface configuration mode. To return to the default value, use
the no form of this command.
spanning-tree [vlan vlan-id] port-priority port-priority
no spanning-tree [vlan vlan-id] port-priority
Syntax Description
(Optional) Specifies the VLAN range associated with the spanning-tree
instance. The range is 1 to 4094.
vlan vlan-id
The port priority in increments of sixteen. The range is 0 to 240.
The default is 128.
port-priority
Command Default
The port priority is 128.
Command Modes
Interface configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS 15.0(2)EX
Usage Guidelines
The priority you set breaks the tie.
Examples
The following example shows how to increase the likelihood that a port will be put in the forwarding state if
a loop occurs:
Switch(config)# interface gigabitethernet2/0/2
Switch(config-if)# spanning-tree vlan 20 port-priority 0
Catalyst 2960-X Switch Layer 2 Command Reference, Cisco IOS Release 15.0(2)EX
OL-29043 -01 105
Layer 2 Commands
spanning-tree port-priority

Cisco Catalyst 250 Series Specifications

General

Brand	Cisco
Model	Catalyst 250 Series
Category	Switch
Language	English