87D-Link DIR-850L User Manual
Section 3 - Conguration
QoS Engine
The QoS Engine option helps improve your network gaming performance by
prioritizing applications. By default the QoS Engine settings are disabled and
application priority is not classied automatically. The QoS section contains a
queuing mechanism, trac shaping and classication. It supports two kinds
of queuing mechanisms. Strict Priority Queue (SPQ) and Weighted Fair Queue
(WFQ). SPQ will process trac based on trac priority. Queue1 has the highest
priority and Queue4 has the lowest priority. WFQ will process trac based on
the queue weight. Users can congure each queue’s weight. The sum of all the queue’s weight must be 100. When surng the Internet, the system will do
trac shaping based on the uplink and downlink speed. The classication rules can be used to classify trac to dierent queues, then SPQ or WFQ will
do QoS based on the queue’s priority or weight.
The following parameters will be available for conguration:
Enable QoS: This option is disabled by default. Enable this option for
better performance and experience with online games and
other interactive applications, such as VoIP.
Uplink Speed: The speed at which data can be transferred from the
router to your ISP. This is determined by your ISP. ISP’s often
dene speed as a download/upload pair. For example,
1.5Mbits/284Kbits. Using this example, you would enter
284. Alternatively you can test your uplink speed with a
service such as www.dslreports.com.
Downlink Speed: The speed at which data can be transferred from the ISP
to the router. This is determined by your ISP. ISP’s often
dene speed as a download/upload pair. For example,
1.5Mbits/284Kbits.
Using this example, you would enter 1500. Alternatively
you can test your downlink speed with a service such as
www.dslreports.com.
Queue Type: Here the user can specify the queue type used. When choosing the option Strict Priority Queue, the router will apply QoS based on the
internal specication for the queue ID’s listed. When choosing the option Weight Fair Queue, the router will apply QoS based on the user
dened percentage in the Queue Weight column.
Queue ID: In this column the Queue ID used will be displayed.
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