Dell PowerVault 56F (16P Fibre Channel Switch) - Manual (Page 105)

support.dell.com Troubleshooting 5-7
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The camTest verifies that the SID translation required by QuickLoop and implemented
using content addressable memories (CAM) is functioning correctly. The switch must
be offline.
An error message would look similar to the following example:
310*"011$5310*"0#135310*R1$
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The portLoopbackTest verifies the intended functional operation of the switch by
sending frames from each port’s transmitter back to the same port’s receiver by way
of an internal hardware loopback.
Pressing while the portLoopbackTest window is selected displays a
reminder to take the switch offline, if it is not offline. If the message is displayed, take
the switch offline.
The portLoopbackTest is an internal test which continues to run until you press any
button. While the test is running, all GBIC module front panel LEDs rapidly flicker
green indicating that the test is finding no errors and is processing.
To stop the test, press any button and 0 is displayed.
An error message would look similar to the following example:
310*11$5310*9%/$31(35310*R1$5310*$1(%=$5310*
(//#$0$5310*(//#$0$5310*#$0$#5310*30$05310*9%/$0;#($
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The crossPortTest verifies the intended functional operation of the switch by sending
frames from each port’s transmitter by way of the GBIC and external cable and back to
another port’s receiver. It exercises the entire path of the switch.
Figure 5-1 is a recommended connection when executing the crossPortTest com-
mand. The cables need not be connected. A port can be connected to any port in the
same switch provided the connection is of the same technology, meaning copper
ports must connect to copper ports, SW ports to SW ports, and LW ports to LW ports.