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4.7 Traffic Prioritization
Quality of Service (QoS) provides traffic prioritization mechanism which allows users to
deliver better service to certain flows. QoS can also help to alleviate congestion problems
and ensure high-priority traffic is delivered first. This section allows you to configure Traffic
Prioritization settings for each port with regard to setting priorities.
JetNet QOS supports 4 physical queues, weighted fair queuing (WRR) and Strict Priority
scheme, which follows 802.1p COS tag and IPv4 TOS/DiffServ information to prioritize the
traffic of your industrial network.
Following commands are included in this group:
4.7.1 QoS Setting
4.7.2 CoS-Queue Mapping
4.7.3 DSCP-Queue Mapping
4.7.4 CLI Commands of the Traffic Prioritization
4.7.1 QoS Setting
Queue Scheduling
You can select the Queue Scheduling rule as follows:
Use an 8,4,2,1 weighted fair queuing scheme. This is also known as WRR (Weight
Round Robin). JetNet will follow 8:4:2:1 rate to process the packets in a queue from the
highest priority to the lowest. For example, the system will process 8 packets with the
highest priority in the queue, 4 with middle priority, 2 with low priority, and 1 with the lowest
priority at the same time.
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