Command Line Interface
812 1553-KDU 137 365 Uen D 2006-06-16
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• This command is used by the Spanning Tree Algorithm to determine the
best path between devices. Therefore, lower values should be assigned
to ports attached to faster media, and higher values assigned to ports
with slower media.
• Use the no spanning-tree cost command to specify auto-
configuration mode.
• Path cost takes precedence over port priority.
• When spanning-tree pathcost method (section 7.15.7 on page
803) is set to short, the maximum value for path cost is 65,535.
Example
7.15.17 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
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree cost 50
Console(config-if)#
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