Allied Telesis AT-S63 - Manual (Page 390)

Chapter 20: Quality of Service (QoS) Commands
390 Section II: Advanced Operations
Examples
This command changes the exceed action in traffic class 18 to remark and
specifies a remark value of 24. This command changes the DSCP value in
traffic that exceeds the maximum bandwidth to 24:
set qos trafficclass=18 exceedaction=remark
exceedremarkvalue=24
This command changes the user priority value to 17 for traffic belonging to
traffic class 42:
set qos trafficclass=42 priority=17
This command changes the maximum bandwidth for traffic class 41 to 80
Mbps and the burst size to 400 Kbps.
set qos trafficclass=41 maxbandwidth=80 burstsize=400