D-Link DSL-2790U - QoS Classification; QoS Classification Setup

74D-Link DSL-2790U Wireless N300 ADSL2+ Modem Router User Manual
Section 4 - Conguration
QOS Classication
QOS CLASSIFICATION SETUP
To set up network trac classes, click QoS Classication.
A list of the currently-congured classes will appear. Click Add to add a new class, Enable
to enable the selected classes, Edit to edit an existing class, or Remove to remove the
selected classes.