Allied Telesis AT-S63 - Manual (Page 384)

Chapter 20: Quality of Service (QoS) Commands
384 Section II: Advanced Operations
Examples
This command changes the ingress port for policy 8 to port 23:
set qos policy=8 ingressport=8
This command changes the traffic classes assigned to policy 41:
set qos policy=41 trafficclasslist=12,23