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priority transmission, then CoS winds up being implemented in QoS functions within the
routers and switches in the network. In an enterprise network, class of service (CoS)
differentiates high-priority traffic from lower-priority traffic. Tags may be added to the
packets to identify such classes, but they do not guarantee delivery as do quality of service
(QoS) functions, which are implemented in the network devices.
There are many management functions can be set or performed if you click the
QoS Setting on Home Page, including:
Priority Mode
Class of service Configuration
In the following sessions, we will talk in detail about the management functions under the
QoS Setting menu.
4.24 Priority Mode (QoS Setting)
There are three priority modes available to specify the priority of packets being serviced.
Those include First-In-First-Out, All-High-Before-Low, and Weight-Round-Robin.
First-In-First-Out: Packets are placed into the queue and serviced in the order they were
received.
All-high-before-low(Strict priority)：All packets will be assigned to either high priority
queue (Queue 2) or low priority queue (Queue 1). The packet on the low priority queue
will not be forwarded until the high priority queue is empty.
WRR mode: There are 4 priority queues for Weighted-and-round-robin (WRR) mode.
When this mode is selected, the traffic will be forwarded according to the number set in
each queue.
AirLive POE-FSH8PW User's Manual
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4. Web Management
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