Section 4 - Advanced WLAN Configuration
6. After saving all the rules, add one permit rule. This is mandatory to allow all other types of traffic to flow
between the source and destination, as in an AP, there is an implicit "deny all" rule at the end of ACL.
7. Now, go to Wireless > General page, and enable AP client QoS.
D-Link DWC-1000 User Manual
83