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24 Port Gigabit Ethernet PoE Switch – User Manual Page 40 of 72

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3-2-11. QoS (Quality of Service) Configuration

The switch offers powerful QoS function. This function supports VLAN-tagged priority

that can make precedence of 8 priorities, and DSCP (Differentiated Services Code Point)

on Layer 3 of network framework.

Fig. 3-16 QoS Configuration

Function name

QoS Configuration

Function description

While setting QoS function, please select QoS mode in drop-down menu at first.

Then you can use 802.1p priority and DSCP priority functions. In this function, you

can enable/disable QoS mode and set priority control, such as: 802.1p and DSCP.

The switch only supports strict priority. High priority queue is always passed first.

Function name

802.1p QoS mode

Function description

This function will affect the priority of VLAN tag. Based on priority of VLAN tag, it

can arrange 0~7 priorities, priorities can map to 4 queues of the switch (low, nor-

mal, medium, high) and possess different bandwidth distribution according to your

weight setting.

Parameter description

Prioritize Traffic:

Five Prioritize Traffic values are provided: Custom, All Low Priority, All Normal

Priority, All Medium Priority, and All High Priority.

The QoS setting would apply to all ports on the switch if one of the following val-

ues is selected: All Low Priority, All Normal Priority, All Medium Priority, or All

High Priority.

Port Number:

When Custom is selected for Prioritize Traffic, you may assign specific port num-

ber for 802.1p Configuration.

802.1p Configuration:

Each priority can select any of queues. In default, priority 0 is mapping to queue

normal, priority 1 is mapping to queue low, priority 2 is mapping to queue low,

priority 3 is mapping to queue normal, priority 4 is mapping to queue medium,

priority 5 is mapping to queue medium, priority 6 is mapping to queue high, and

priority 0 is mapping to queue high.

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