Quick Reference Guide
Spanning-Tree Commands 379
DELL CONFIDENTIAL – PRELIMINARY 5/15/12 – FOR PROOF ONLY
Default Configuration
Short path cost method.
Command Mode
Global Configuration mode.
User Guidelines
• This command applies to all Spanning Tree instances on the device.
• The cost is set using the
spanning-tree cost
command.
Example
The following example sets the default path cost method to long.
spanning-tree bpdu
The spanning-tree bpdu Global Configuration mode command defines BPDU handling when the
Spanning Tree is disabled globally or on a single interface. Use the no form of this command to
return to the default configuration.
Syntax
•
spanning-tree bpdu
{
filtering
|
flooding
}
• no spanning-tree bpdu
•
filtering
— Filter BPDU packets when the Spanning Tree is disabled on an interface.
•
flooding
— Flood BPDU packets when the Spanning Tree is disabled on an interface.
Default Configuration
The default setting is flooding.
Command Mode
Global Configuration mode.
User Guidelines
There are no user guidelines for this command.
Example
The following example defines BPDU packet flooding when the spanning-tree is disabled on an
interface
.
Console(config)# spanning-tree pathcost method long
Console(config)# spanning-tree bpdu flooding










