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Catalyst 2350 Switch Command Reference
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Chapter 2 Catalyst 2350 Cisco IOS Commands
spanning-tree mst cost
spanning-tree mst cost
Use the
spanning-tree mst cost
interface configuration
command to set the path cost for multiple
spanning-tree (MST) calculations. If a loop occurs, spanning tree considers the path cost when selecting
an interface to put in the forwarding state. Use the
no
form of this command to return to the default
setting.
spanning-tree
mst
instance-id
cost
cost
no spanning-tree
mst
instance-id
cost
Syntax Description
Defaults
The default path cost is computed from the interface bandwidth setting. These are the IEEE default path
cost values:
•
1000 Mb/s—20000
•
100 Mb/s—200000
•
10 Mb/s—2000000
Command Modes
Interface configuration
Command History
Usage Guidelines
When you configure the cost, higher values represent higher costs.
Examples
This example shows how to set a path cost of 250 on a port associated with instances 2 and 4:
Switch(config)#
interface gigabitethernet0/2
Switch(config-if)#
spanning-tree mst 2,4 cost 250
You can verify your settings by entering the
show spanning-tree mst interface
interface-id
privileged
EXEC command.
instance-id
Range of spanning-tree instances. You can specify a single instance, a range of
instances separated by a hyphen, or a series of instances separated by a comma. The
range is 0 to 4094.
cost
Path cost is 1 to 200000000, with higher values meaning higher costs.
Release
Modification
12.2(46)EY
This command was introduced.
