Cisco Cisco SG500-52PP 52-port Gigabit Max PoE+ Stackable Managed Switch 技术参考

Spanning-Tree Commands

OL-31486-02 Command Line Interface Reference Guide

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Forwarding state. Use the no form of this command to restore the default 
configuration.

spanning-tree mst 

instance-id

 cost 

cost

no spanning-tree mst 

instance-id

 cost

N/A

•

instance-id—Specifies the spanning-tree instance ID. (Range: 1–15)

•

cost—Specifies the port path cost. (Range: 1–200000000)

Default path cost is determined by the port speed and path cost method (long or 
short) as shown below:

Interface (Ethernet, Port Channel) Configuration mode

The following example configures the MSTP instance 1 path cost for port 

gi1/1/

9

 

to 4. 

switchxxxxxx(config)#  

gi1/1/

9

switchxxxxxx(config-if)#  

 1 

 4

Interface

Long

Short

Port-channel

20,000

4

Gigabit Ethernet (1000 Mbps)

20,000

4

Ethernet (10 Mbps)

2,000,000

100