Chapter 6 Multiple Streams Testing
Loopback testing
HST-3000 Ethernet Testing User’s Guide
193
Loopback testing
Loopback testing allows you to transmit multiple streams of
Ethernet, IP, or TCP/UDP traffic from one HST-3000 (or
another JDSU Ethernet test set), and then loop the streams
back through a second unit on the far end of a circuit.
When looping back multiple streams of traffic, if an enabled
stream does not successfully loop, the unit will not loop up the
remaining streams. For example, if you are trying to loop up a
series of four enabled streams, and stream one and stream
two successfully loop, but stream three fails, the unit will not
loop up stream three or stream four.
For step-by-step instructions, see “Loopback testing” on
page 87 of Chapter 3 “Ethernet Testing”.
Viewing test results for a stream
After you start a test, the Summary category appears showing
an overview of the test results. You can view test results for an
individual traffic stream by selecting the Streams category,
and then specifying the stream number.
To view test results for a particular stream
1 Configure and run a multiple streams test.
2 Press the Display soft key, and then select the Streams
category.
A menu appears listing Stream 1 through Stream 8.
3 Select the stream you want to view results for.
The test results for the stream appear. For descriptions of the
test results associated with multiple stream testing, see
“Streams results” on page 289.
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