Dell Brocade 825 Brocade Adapters Troubleshooting Guide - Page 116

PCI loopback test, Performing Ethernet loopback tests through BCU

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3 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 [-p ] [-c ] where: port_id pattern frame count 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. Specifies the data test pattern. Must be at least one hexadecimal word. 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. 92 Brocade Adapters Troubleshooting Guide 53-1002145-01

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92
Brocade Adapters Troubleshooting Guide
53-1002145-01
Diagnostics
3
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
.