Chapter 5 TCP/UDP Testing
Selecting a layer 4 TCP/UDP test
HST-3000 Ethernet Testing User’s Guide
165
received traffic as the ATP Listen Port on the receiving unit.
Figure 33 illustrates the settings required to loop back layer 4
traffic carrying an Acterna payload.
For details on specifying the listen port, see “Filtering received
traffic using layer 4 criteria” on page 175.
Selecting a layer 4 TCP/UDP test
IPv4 and IPv6 applications are available for layer 4 TCP/UDP
testing.
To select a layer 4 TCP/UDP test
1 Do one of the following:
– If you haven’t already done so, launch the application
for the circuit you are testing (see “Launching an appli-
cation” on page 28), and then proceed to step 2.
If you are testing a circuit carrying IPv4 traffic, be
certain to launch the application using the ETH ELEC
or ETH OPTIC softkey.
Figure 33 ATP Listen Port Loop back settings
UNIT B Settings:
TCP/UDP Config Menu:
ATP Listen Port = Destination Port for Unit A
UNIT A Settings:
TCP/UDP Config Menu:
ATP Listen Port = Destination Port for Unit B
HST-3000
R/T 2R/T 1
Rx Tx Rx Tx
HST-3000
R/T 2R/T 1
Rx Tx Rx Tx
Transport
Network
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