Chapter 5 TCP/UDP Testing
Discovering another JDSU test instrument
166
HST-3000 Ethernet Testing User’s Guide
If you are testing a circuit carrying IPv6 traffic, be
certain to launch the application using the IPv6 ELEC
or IPv6 OPTIC softkey.
– If you already launched your application and selected
a test, but you want to change the test, go to the Test
Mode menu, and then select the Test setting.
A list of tests for the application appears.
2 Select the Layer 4 Traffic test, and then specify the
Length Type (Packet Length or Frame Length). This indi-
cates whether you want to specify a packet or frame
length when you configure layer 4 traffic. Frame lengths
are specified on the Ethernet configuration menu; packet
lengths are specified on the IP configuration menu.
3 If you are transmitting IPv4 traffic over an electrical circuit,
you must also indicate whether you are testing in IPoE or
PPPoE Data Mode.
The test is selected.
Discovering another JDSU test instrument
Before you begin testing, you can automatically detect other
JDSU test instruments on the circuit and determine their capa-
bilities.You can then optionally configure key parameters for
your test automatically based on a discovered instrument’s
settings. For details, see “Using J-Connect to discover
another JDSU test set” on page 21.
Specifying layer 2 and layer 3 settings
Before you transmit layer 4 traffic, you must first establish a
layer 2 Ethernet link, and a layer 3 IPoE connection or PPPoE
session. You must also specify the appropriate layer 2 and
layer 3 settings for the traffic, such as the frame type, frame
encapsulation, time to live, and type of service. After you
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