Broadcom NetXtreme Ethernet Adapter • Diagnostic User’s Guide
page 21
Broadcom Confidential and Proprietary
Default:
Enabled
Note:
This test is not available for 5718, 5719 and 5720.
3.5.2 D2. Phy Loopback Test
Command:
pkttest -p
Function:
This test is same as D1. Mac Loopback Test, except the data is routed back via
physical layer device. One Giga bit rate is used for this test.
Please note if the device supports E-Switch, such as 5756, the test is performed on both
laptop mode and docking mode. To perform the test only on the default port, two methods
can be used: 1. command line option ‘-disableeswitch’; 2. ‘eswitch –f’ in engineering mode
before the test.
Default:
Enabled
3.5.3 D3. RJ45 Loopback Test
Command:
pkttest -e
Function:
This is external loopback test. From the UUT point of view, no loopback mode is
configured. The data expected to be routed back by RJ45 loopback connector. 10M/s,
100M/s, and 1000M/s are used for this test.
Please note if the device supports E-Switch, such as 5756, the test is performed on both
laptop mode and docking mode. To perform the test only on the default port, two method
can be used: 1. command line option ‘-disableeswitch’; 2. ‘eswitch –f’ in engineering mode
before the test.
Default:
Disabled
3.5.4 D4. 1G False Carrier Test
Command:
nictest d4
Function:
This test executes the same procedure as test D3 and tests to see if a
false carrier
was detected at the end of the test. The –l200, –dispgbpkt, -disppkt and –errlimit command-
line options were added to configure a number of operational parameters. The details of the
command line options are provided in the “COMMAND LINE OPTION PARAMETERS”
section.
Please note if the device supports E-Switch, such as 5756, the test is performed on both
laptop mode and docking mode. To perform the test only on the default port, two method
can be used: 1. command line option ‘-disableeswitch’; 2. ‘eswitch –f’ in engineering mode
before the test.
