D-Link DI-524UP Owner's Manual page 47

The user may also set QoS by specific MAC address. To enable QoS per MAC address,
first click the MAC radio button which will reveal the preceeding window for the user to
configure. Ensure that the Bandwidth configured does not exceed the incoming
bandwidth from the ISP or it will cause other devices on the LAN to slow down due to
decreased bandwidth. Check with your ISP for more information on the bandwidth
allotted to your account.
WAN Uplink Bandwidth
Advanced > QoS > MAC
Use the pull-down menu to set the WAN Uplink Bandwidth. The
user may choose a speed from 64kbps to Full (100Mbps).
Ensure that the Bandwidth does not exceed the incoming
bandwidth from the ISP or it will cause other devices on the
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