Cisco 300 Series

Spanning-Tree Commands
OL-32830-01 Command Line Interface Reference Guide 906
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Forwarding state. Use the no form of this command to restore the default
configuration.
Syntax
spanning-tree mst
instance-id cost cost
no spanning-tree mst instance-id cost
Default Configuration
N/A
Parameters
• instance-id—Specifies the spanning-tree instance ID. (Range: 1–15)
• cost—Specifies the port path cost. (Range: 1–200000000)
Default Configuration
Default path cost is determined by the port speed and path cost method (long or
short) as shown below:
Command Mode
Interface (Ethernet, Port Channel) Configuration mode
Example
The following example configures the MSTP instance 1 path cost for port
gi1 9 to
4.
switchxxxxxx(config)# interface gi1 9
switchxxxxxx(config-if)# spanning-tree mst 1 cost 4
Interface Long Short
Port-channel 20,000 4
Gigabit Ethernet (1000 Mbps) 20,000 4
Ethernet (10 Mbps) 2,000,000 100