AVer FC2020-P&PW user manual - Manual (Page 54)

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System > Advance > QoS/DSCP
QoS/DSCP (Quality of Server/Differentiated Services Code-point) specifies a simple mechanism for
classifying and managing network traffic and provides QoS on IP networks. DSCP is a 6-bit in the IP
header for packet classification purpose. The number 0~63 for Live Stream, Event / Alarm, and
Management represent the ratio that the bandwidth is divided. For example, if you set5, 10, and 20 for
the three items, then the bandwidth of the three item is 5:10:20. There is no difference between setting
"0, 0, 0" or "63, 63, 63" because under these two setting the three items will get equal bandwidth (1/3).