D-Link DI-604UP - Broadband Router Plus USB Print Server Product Manual page 38

ADVANCED > QoS >Application
The user may also set QoS by specific protocol. To enable QoS per protocol, first
click the Application radio button which will reveal the preceeding screen for the
user to configure. Ensure that the bandwidth 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.
QoS Control by Protocol
Click the Enabled radio button to enable QoS priority by
application. Information coming from this application will
have the highest priority on the LAN. This means that
information originating from this device will be sent to other
devices on the LAN requesting it, first. Other devices will
have a lower priority in sending information through the
router.
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