Digitus RedRapid X User Manual page 83

Parameter
IP QoS
Default QoS
Description
Click the radio button to enable or disable the IP QoS
function.
Select the default mode of QoS from the list.
IP Precedence:
In QoS, a three-bit field in the ToS byte of the IP header
(see RFC 791). Using IP Precedence, a network
administrator can assign values from 0(the default) to 7
74