Allied Telesis AT-S63 - Manual (Page 279)

AT-S63 Management Software Command Line Interface User’s Guide
Section II: Advanced Operations 279
The following command sets the scheduling to weighted round robin and
gives egress priority queues Q0 to Q3 a weight of 1, and Q4 to Q7 a
weight of 15:
set qos scheduling=wrr weights=1,1,1,1,15,15,15,15