Allied Telesis AT-S63 - Manual (Page 567)

AT-S63 Management Software Command Line User’s Guide
Section V: Spanning Tree Protocols 567
Examples
The following command changes the MSTI priority value to 45,056
(increment 11) for the MSTI ID 4:
set mstp msti mstiid=4 priority=11
The following command changes the MSTI priority value to 8,192
(increment 2) for the MSTI ID 6:
set mstp msti mstiid=6 priority=2