Cisco Cisco SG200-26P 26-port Gigabit PoE Smart Switch メンテナンスマニュアル

MSTP Interface Settings

Cisco Small Business SF200E Series Advanced Smart Switch

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Bridge Priority—Assign a priority value to the MSTP instance. After 
exchanging BPDUs, the switch with the lowest priority value becomes the 
root bridge. Specify a bridge priority from 0–61440. The default value 
is 32768.

Click Apply and then click Close. Your changes are saved to the Running 
Configuration.

The newly configured MSTP instance appears in the table along with the following 
settings:

•

Designated Root Bridge ID—The bridge ID of the bridge with the lowest 
priority value for this MST instance. When more than one bridge has the 
lowest priority value, the bridge with the lowest ID becomes the root 
bridge.

•

Root Port—Port identifier on the Designated Root Bridge that offers the 
lowest cost to the root bridge for this MST instance. It is made up from the 
port priority and the interface number of the port.

•

Root Path Cost—Total cost of the path to the root port for this MST instance.

•

Bridge ID—Bridge ID of the selected MST instance. It is made up using the 
bridge priority and the base MAC address of the bridge.

See 

 for instructions on assigning the MSTP instance to 

interfaces.

Use the MSTP Interface Settings page to apply MSTP instances to ports or LAGs. 
See 

 for information on configuring MSTP instances.

To display this page, click Spanning Tree > MSTP Instance Settings in the 
navigation window.