D-Link DWC-2000 User Manual 148
Section 5 - Advanced Network Conguration
Enabling QoS Mode
Path: Network > QoS > LAN QoS Priority
Using the QoS page, you can enable Quality of Service (QoS) on the wireless controller.
Typically, networks operate on a best-eort delivery basis, which means that all trac has equal priority and an
equal chance of being delivered in a timely manner. When congestion occurs, all trac has an equal chance of
being dropped.
When you congure the QoS feature, you can select specic network trac, prioritize it according to its relative
importance, and use congestion-management and congestion-avoidance techniques to provide preferential
treatment. Implementing QoS in your network makes network performance more predictable and bandwidth
utilization more eective. It is especially useful if you expect trac congestion on the wireless controller LAN
ports.
QoS classication can be applied in Layer 2 or Layer 3 frames. For this reason, you can congure the wireless
controller to use Layer 2 CoS settings or Layer 3 DSCP settings.
Note: The wireless controller also provides a CoS-to-DSCP map to map CoS values in incoming packets to a DSCP
value that QoS uses internally to represent the priority of the trac. To access this feature, click Network > QoS > QoS
Priority.
To congure QoS mode:
1. Click Network > QoS > LAN QoS Priority.
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