Chapter 3 Ethernet Testing
Monitoring Ethernet traffic
HST-3000 Ethernet Testing User’s Guide
93
Monitoring Ethernet traffic
You can monitor and analyze 10/100/1G electrical or 1 G
optical layer 2 traffic by selecting the MON / THRU application
for the circuit you are testing.
To monitor Ethernet traffic
1 If you haven’t already done so, launch the Mon / Thru
application for the circuit you are testing (see “Launching
an application” on page 28), and then select the
Layer 2 Traffic test (see “Selecting a layer 2 test” on
page 46).
2 Initialize the link (see “Initializing the link for Ethernet
testing” on page 47).
3 Press the Configure navigation key.
A configuration menu appears.
4 Use the left and right arrow keys to go to the Test Mode
configuration menu.
5 Specify Monitor or Thru as the Type (for an explanation
of Monitor and Thru types, see “Test applications” on
page 10).
6 If you want to filter the traffic, use the right arrow key to go
to the Ethernet Filter configuration menu, then specify the
filter criteria (see “Filtering received traffic using layer 2
criteria” on page 65).
7 If you need to specify other settings for the test, use the
left and right arrow keys to go to the appropriate configu-
ration menu; otherwise, press the Home button to return
to the Main screen.
The HST monitors and analyzes received traffic. If you are
testing in Thru mode, the HST passes received traffic through
to the transmitter.
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