Jdsu Enhanced Method - JDS Uniphase hst-3000 User Manual

Ethernet tester
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JDSU
The JDSU Enhanced method functions as follows:
Enhanced
Attempting Phase
method
– The test starts transmitting traffic at the Maximum Band-
width, then waits 3 seconds.
– The test does a restart, then waits 5 seconds.
– The test calculates the average layer 2 bandwidth utilized
(L2 Avg. % Util).
– If the Bandwidth Accuracy is 1% and the L2 Avg. % Util is
less than 99.98%, the throughput is the integer value of
the measurement. Otherwise, throughput is 100%.
– If the Bandwidth Accuracy is .1% or .01%:
– For 1Gig the test increases the load 3% over the L2
– For 10 Mb we increase the load 30% over the L2 Avg.
– For 100 Mb we increase the load 3% over the L2 Avg.
– If the Bandwidth Accuracy is.1% or .01%:
– Start traffic at the rate calculated above
– Wait 3 seconds
– Do a test restart
– Wait 5 seconds
– Get the L2 Avg. % Util
For .1% accuracy, Throughput is calculated as:
– The (integer value of L2 Avg.) % Util * 10 divided by 10
HST-3000 Ethernet Testing User's Guide
Avg. % Util measured above.
% Util measured above.
% Util measured above, or to 100%, if the above
increase would exceed 100%.
Chapter 7 Automated RFC 2544 Testing
About the Throughput test
201

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