D-Link DSL-225 User Manual page 82

In this section we can configure the Queue Management configuration.
Enable QoS: Select this option to enable the QoS queue management feature.
Select Default DSCP Mark: Select the default DSCP mark option here.
Click the Apply/Save button to accept the changes made.
Click the Cancel button to discard the changes made and return to the main page.
Queue Config
Click the Queue Config button to access the Queue configuration page.
Web User Interface Configuration
D-Link DSL-225 11N VDSL2 Router User Manual
Page 82