QTECH QSW-8300 Инструкция по настройке - Manual (Page 97)

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Policing and remark: Each packet in classified ingress traffic is assigned an internal priority
value, and can be policed and remarked.
Policing can be performed based on the flow to configure different policies that allocate
bandwidth to classified traffic, the assigned bandwidth policy may be single bucket dual color
or dual bucket three color. The traffic, will be assigned with different color, can be discarded or
passed, for the passed packets, add the remarking action. Remarking uses a new Int-Prio
value of lower priority to replace the original higher level Int-Prio value in the packet. COS and
DSCP fields will be modifed according to the new Int-Prio at the egress. The following
flowchart describes the operations.