Oracle Audio Technologies Sun Oracle SunDual 10GbE XFP - Manual (Page 83)

Appendix B Diagnostic Software 73
Using the SunVTS netlbtest
You must have the Ethernet card and the device driver installed, a loopback
connector in place, and Intervention mode enabled before running netlbtest.
netlbtest
cannot run if the network interface is connected to a live network, and
requires that the Ethernet device be configured offline before running the test. Use
the ifconfig(1M) command to bring the Ethernet device down before running
netlbtest
.
▼ To Use the netlbtest
1. Ensure that the SunVTS software and the nxge driver are installed on your
system.
2. Plug in a loopback cable.
3. Unplumb the interface from the system, using the ifconfig command :
Where instance is the instance number of the interface.
Refer to SunVTS documentation for instructions on how to run netlbtest.
# ifconfig nxge instance down
# ifconfig nxge instance unplumb