Emulex LP21000 Manual de usuario descargar pdf (Pagina 189)

The OneCommand Manager User Manual Page 179

All functions are supported locally and remotely on hosts managed with TCP/IP access. Test results and

the status of running tests are time stamped and appear in the Test Status area.

Figure 111: NIC Diagnostics tab

OneConnect Loopback Test Combinations

Run the following loopback test combinations using the appropriate checkboxes:

• DMA Loopback Test - The DMA loopback test sends data from the host to the adapter, then

back to the host, where it is checked for data miscompute errors. All tests except the DMA

loopback test are run on the currently selected port. The DMA loopback test is run across the

entire adapter. The same diagnostic is therefore executed regardless of the currently selected

physical port. Also, unlike other diagnostics, this test affects the operation of all ports on the

adapter. (Not available on ESXi systems.)

• PHY Loopback Test - The PHY loopback test connects the transmit output of the physical layer

to the receive input of the physical layer. The data is transmitted, received and checked for data

miscompute errors.

• External Loopback Test - A diagnostic test in which a random data pattern is sent down to an

adapter link port. The data goes out the port and immediately returns via a loopback connector.

The returned data is subsequently validated for integrity.

• MAC Loopback - MAC loopback connects the transmit output of the MAC controller to the

receive input of the MAC controller (bypassing the PHY).

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Emulex LP21000 Manual de usuario Pagina 189