Spanning-Tree Port-Priority - Cisco Catalyst 2960-X Command Reference Manual

Layer 2 Commands

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
vlan vlan-id
port-priority
Command Default
The port priority is 128.
Command Modes
Interface configuration
Command History
Release
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
OL-29043 -01
(Optional) Specifies the VLAN range associated with the spanning-tree
instance. The range is 1 to 4094.
The port priority in increments of sixteen. The range is 0 to 240.
The default is 128.
Modification
This command was introduced.
Catalyst 2960-X Switch Layer 2 Command Reference, Cisco IOS Release 15.0(2)EX
spanning-tree port-priority
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