Main Menu->Qos->Queue Config.->Queue Mapping - Symbol ES3000 User Manual

3-68 ES3000 User Guide
3.5.49 Main Menu->QoS->Queue Config.->Queue Mapping
The priority tag of each packet is divided into four queues on each output port within the Queue
Mapping screen. The default setup each queue assuming two priorities sequentially.
Configure the traffic class as needed. Quality of Service works only after the QoS status is Enabled
by Set QoS Status.