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5 – Non-interactive Commands
Command Summary
SN0054614-00 F 5-21
A
5.3.16.6
Run a Loopback Test
The loopback test sends and receives messages, through a loopback or through
an echo command, to the switch.
Table 5-7 lists the operating system driver versions that do not require a loopback
connector.
.
To do a loopback test using the current parameters, type:
Table 5-6. OnError Values
Value Description
0 The error is ignored. This is the default value.
1 The test stops on error.
2 On error, the data pattern and test repeat until the error is cleared.
NOTE:
The loopback test is disabled if you are using the drivers from the OS
installation.
NOTES:
Run an echo test instead of a loopback test under the following conditions:
You have a QLA23xx, QLA24xx, QLE23xx, or QLE24xx HBA that is
connected to the fabric through a point-to-point connection (F-port).
The HBA is connected to a switch.
Your operating system has one of the driver versions listed in Table 5-7.
Table 5-7. Driver Versions Not Requiring a Loopback Connector
Operating System Driver Version
Windows XP, Windows 2000, or Windows Server 2003 with SCSI
miniport driver
9.0.0.12
Windows Server 2003 with STORport miniport driver 9.0.0.12
Solaris SPARC 4.12
Table Notes
All subsequent versions also apply.