ZyXEL Communications LTE5121, User Manual

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Chapter 9 Quality of Service (QoS)
LTE-5121 User’s Guide
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similar types of traffic together and treating each type as a class. You can use CoS to give different
priorities to different packet types.
CoS technologies includes DiffServ (Differentiated Services or DS). DiffServ is a new protocol and
defines a new DS field, which replaces the eight-bit ToS (Type of Service) field in the IP header.
Tagging and Marking
In a QoS class, you can configure whether to add or change the DSCP (DiffServ Code Point) value
ain a matched packet. When the packet passes through a compatible network, the networking
device, such as a backbone switch, can provide specific treatment or service based on the tag or
marker.
9.2 The QoS General Screen
Use this screen to enable or disable QoS, set the bandwidth, and select to have the LTE Device
automatically assign priority to upstream traffic according to the IP precedence or packet length.
Click Network Setting > QoS to open the General screen.
Figure 70
Network Setting > QoS > General