S
PANNING
T
REE
C
OMMANDS
4-191
spanning-tree port-priority
This command configures the priority for the specified interface. Use the
no form to restore the default.
Syntax
spanning-tree port-priority priority
no spanning-tree port-priority
priority - The priority for a port. (Range: 0-240, in steps of 16)
Default Setting
128
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• This command defines the priority for the use of a port in the
Spanning Tree Algorithm. If the path cost for all ports on a switch are
the same, the port with the highest priority (that is, lowest value) will
be configured as an active link in the spanning tree.
• Where more than one port is assigned the highest priority, the port
with the lowest numeric identifier will be enabled.
Example
Related Commands
spanning-tree cost (4-190)
spanning-tree edge-port
This command specifies an interface as an edge port. Use the no form to
restore the default.
Syntax
[no] spanning-tree edge-port
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree port-priority 128