Allied Telesis AT-8100 Series - Manual (Page 852)

Chapter 57: RSTP Commands
852
SPANNING-TREE PRIORITY (Bridge Priority)
Syntax
spanning-tree priority priority
Parameters
priority
Specifies a priority number for the switch. The range is 0 to 61440,
in increments of 4096.
Mode
Global Configuration mode
Description
Use this command to assign the switch a priority number. The device that
has the lowest priority number in the spanning tree domain becomes the
root bridge. If two or more devices have the same priority value, the device
with the numerically lowest MAC address becomes the root bridge.
The range is 0 to 61,440, in increments of 4,096. The priority value can be
set only in increments of 4,096. The default value is 32,768.
Use the no form of this command, NO SPANNING-TREE PRIORITY, to
reset the command to its default value of 32,768.
Confirmation Command
“SHOW SPANNING-TREE” on page 838
Example
This example sets the priority value of the switch to 8,192:
awplus> enable
awplus# configure terminal
awplus(config)# spanning-tree priority 8192