Dahua DH-PFS4212-8GT-96 Web Operation Manual page 49

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Step 3
3.2.6.2 Port Schedulers
The two modes of port schedulers:
Strict Priority. When congestion occurs, the priority for packet passing egress port of switch

depends on the CoS value in Port Classification.
2–8 Queues Weighted. When congestion occurs, the priority for packet passing egress port of

switch depends on the proportion of total rate.
Step 1 Select Advanced > Seldom-used > QoS> Port Schedulers.
Figure 3-54 Set CoS
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