3com 4500 PWR 26-PORT 用户手册

port-priority:

 Specifies the priority of the port, ranging from 0 to 240. The 

values are not consecutive integers. Step length is 16. By default, the value is 128. 

Use the 

 command to configure the priority of the current 

Ethernet port. 

Use the 

 command to restore the default priority. 

The priority value shall be a multiple of 16, such as 0, 16, 32, 48 etc. The smaller 
value represents the higher priority. A port with higher priority (lower numerical 
value) is more likely to be a root port. 

To set the priority of Ethernet1/0/1 to 64, enter the following:

<4500>system-view

System View: return to User View with Ctrl+Z.

[4500]interface Ethernet1/0/1

[4500-Ethernet1/0/1]stp port priority 64

System View

bridge-priority:

 Specifies the priority of a Switch, ranging from 0 to 61440. 

The values are not consecutive integers. The step length is 4096. By default, the 
value is 32768. 

Use the 

 command to configure the bridge priority of the Switch.

Using 

 command, you can restore the default bridge priority 

of the Switch. 

The priority value shall be a multiple of 4096, such as 0, 4096, 8192 etc. The 
smaller value represents the higher priority. A Switch with higher priority is more 
likely to be a root bridge. 

To set the priority of the Switch to 4096, enter the following:

<4500>system-view

System View: return to User View with Ctrl+Z.

[4500]stp priority 4096