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User Guide
76
Test traffic generation does not start immediately after setting the bandwidth profile
parameters. Traffic generation requires a test to be started with by pressing run.
Table 4.2: Ethernet Payload Settings
Setting Description
Mode Configures the traffic shape to be used by the traffic genera-
tor in the current stream. There are five possible generation
modes for this for the bandwidth profile
• Off: No frames are transmitted in the current stream. Use
this setting if you want to disable traffic generation in the
current stream but you don’t want to globally disable gen-
eration in the test port.
• Continuous: Frames is transmitted at a constant speed to
match a value configured in bits per second, frames per
second or a percentage of the line capacity.
• Periodic burst: Traffic generation is distributed in periodic
bursts of fixed length. Between traffic bursts the user may
choose to generate background traffic or disable traffic
generation.
• Ramp: Generates traffic that increases its bit rate with time
in steps. The number of steps and step duration are con-
figured by the user. Minimum and maximum traffic gener-
ated in the ramp are user configurable as well. Ramp
generation is periodic. Traffic generator is restarted when it
finishes with the last step of an specific ramp.
• Random: The number of frames generated per time unit is
a Poisson random variable. This is equivalent to say that
the distance between two consecutively generated frames
is an exponential random variable. Use the Random gen-
eration profile to generate traffic that resembles network
traffic as much as possible.
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