netAlly EtherScope nXG Controlled Edition User Manual page 684

Performance Test App
Layer 3 Options
Layer 3 options are useful when testing QoS
(Quality of Service) on your network. You can
create up to four Services using different DSCP
priority or IP precedence to verify that loss
does not occur on the higher priority streams.
QoS: Select the methodology used on your
network: TOS with DSCP (Type of Service with
Differentiated Services Code Point or TOS with
IP Precedence (legacy). Then, configure the
priority using the settings below.
DSCP: This field is only available when TOS
with DSCP is selected in the setting above.
Using the DSCP control, you can specify a
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