Chapter 3 Ethernet Testing
MAC-in-MAC testing
114
HST-3000 Ethernet Testing User’s Guide
To transmit MiM traffic
1 If you haven’t already done so, launch the Mac-in-Mac
terminate application for the circuit you are testing (see
“Launching an application” on page 28).
2 Initialize the link (see “Initializing the link for Ethernet
testing” on page 47).
3 Configure the HST for your test (see “Configuring MAC-
in-MAC tests” on page 106).
4 Press the Home button to return to the Summary Results
screen.
5 Press the Action soft key again, and then select one of
the following:
– Start Traffic (if you configured a constant, bursty, or
flooded load).
– Start Ramp (if you configured a ramped traffic load).
The HST-3000 transmits traffic over the link.
Inserting errors
or pause frames
Actions on the Main screen allow you to insert errors and
pause frames into the traffic stream. If you turn on a particular
error insertion rate, the error insertion continues even after
you restart a test or change the test configuration.
For detailed instructions, see “Inserting errors” on page 81
and “Inserting pause frames” on page 83.
Measuring
round trip delay
and packet jitter
You can measure round trip delay and packet jitter by trans-
mitting traffic carrying an Acterna payload. Frames with an
Acterna payload provide time stamps, enabling the unit to
calculate the delay and jitter.
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