Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 554)

Spanning Tree Commands
Software Reference for x310 Series Switches
19.64 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
spanning-tree priority (port priority)
Use this command in Interface Configuration mode for a switch port interface only to set
the port priority for port. A lower priority value indicates a greater likelihood of the port
becoming part of the active topology.
Use this command for RSTP, STP, or MSTP. When the device is in MSTP mode, this will apply
to the CIST.
Use the no variant of this command to reset it to the default.
Syntax spanning-tree priority <priority>
no spanning-tree priority
Default The default priority is 128.
Mode Interface Configuration mode for a switch port interface only.
Usage To force a port to be part of the active topology (for instance, become the root port or a
designated port) use a lower value than other ports on the device. (This behavior is
subject to network topology, and more significant factors, such as bridge ID.)
Example
Related Commands spanning-tree mst instance priority
spanning-tree priority (bridge priority)
show spanning-tree
Parameter Description
<priority> <0-240>, in increments of 16. The port priority, which will be rounded
down to a multiple of 16.
awplus# configure terminal
awplus(config)# interface port1.0.2
awplus(config-if)# spanning-tree priority 16