Spanning Tree Commands 551
Default Configuration
The default cost is 0, which signifies that the cost is automatically calculated
based on port speed.
Port Channel — 20,000
10 Gbps — 2000
1 Gbps — 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 mst 0 external-cost at
20000.
console(config-if-4/g1)#spanning-tree mst 0 external-cost 20000
spanning-tree mst configuration
Use the spanning-tree mst configuration command in Global Configuration
mode to enable configuring an MST region by entering the multiple
spanning-tree (MST) mode.
Syntax
spanning-tree mst configuration
Default Configuration
This command has no default configuration.
Command Mode
Global Configuration mode
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