spanning-tree cost
Use the spanning-tree cost command in Interface Configuration mode to
configure the spanning-tree path cost for a port. To return to the default port
path cost, use the no form of this command.
The command "spanning-tree mst 0 external-cost
cost for rstp.
Syntax
spanning-tree cost
no spanning-tree cost
cost — The port path cost. (Range: 0–200,000,000)
•
Default Configuration
The default cost is 0, which signifies that the cost is automatically calculated
based on port speed.
•
10G Port path cost — 2000
•
Port Channel — 20,000
•
1000 mbps (giga) — 20,000
100 mbps — 200,000
•
•
10 mbps — 2,000,000
Command Mode
Interface Configuration (Ethernet, Port-Channel) mode
User Guidelines
There are no user guidelines for this command.
Example
The following example configures the spanning-tree cost on 1/g5 to 35000.
console(config)#interface ethernet 1/g5
console(config-if-1/g5)#spanning-tree cost 35000
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Spanning Tree Commands
cost
is used to set path
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