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4.7.7 QoS Setup
The system support 2 level priority queues. The queue service rate is based on the
The
If TOS/DSCP based priority is enabled, it will be assigned to high priority queue if the field value is:
expected forwarding: 0b101110;
assured forwarding: 0b001010, 0b010010, 0b011010, 0b100010
network control: 0b11x000
If 802.1p based priority is enabled, the packet forward priority is decided by the CoS value. The high priority packets have the CoS value from 4 to 7.
In some situations, you may want the high priority packets to get forwarded even the 802.3x flow control stop transmitting packets. In this case, enable Adapted Flow Control will turn off 802.3x flow control for a short time to let the high priority packets get forwarded. The 802.3x is
The Quality of Service page is shown as figure 4.24
English
Figure 4.24. QoS Setup
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