Brocade Communications Systems 825 Guía para resolver problemas descargar pdf (Pagina 116)

92 Brocade Adapters Troubleshooting Guide

53-1002145-01

Diagnostics

Performing Ethernet loopback tests through BCU

Refer to “Performing loopback tests through BCU” on page 90.

PCI loopback test

Use BCU commands or HCM to perform a PCI loopback test for a specific port. In this test, a data

pattern is sent from the host to adapter firmware through the PCI bus. The returned data is

validated to determine PCI operation.

NOTE

You must disable the port before you run loopback tests.

Performing PCI loopback tests through BCU

Use the diag --pciloopback BCU command to perform a PCI loopback test.

diag --pciloopback <port_id> [-p <pattern>] [-c <frame_count>]

where:

port_id ID of the port from which you want to run the test. This could be the PWWN,

port hardware path, or user-specified port name. This could also be the

adapter-index/port-index. For example, to specify adapter 1, port 1, you would

use 1/1 as the port identification.

pattern Specifies the data test pattern. Must be at least one hexadecimal word.

frame count Specifies the frame count as an integer from 0 to 4,294,967,295.

Performing PCI loopback tests through HCM

Use the Hardware Tests tab on the Diagnostics dialog box to perform a PCI loopback test as follows.

1. Launch the HCM.

2. Select Configure > Diagnostics.

3. Click the Hardware Tests tab.

4. Select PCI Loopback Test.

You can modify the following parameters:

• Frame count: Specifies the frame count as an integer from 0 to 4,294,967,295.

• Data pattern: Specifies the data test pattern. Must be at least one hexadecimal word.

• Test cycle: The number should be positive and the default is 1.

5. Click Start.

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Brocade Communications Systems 825 Guía para resolver problemas Pagina 116