Running diagnostic tests
In addition to the POST, Fabric OS includes diagnostic tests to help you troubleshoot the hardware and firmware. This includes tests of
internal connections and circuitry, fixed media, and the transceivers and cables in use.
The tests are implemented by command, either through a Telnet session or through a terminal set up for a serial connection to the
device. Some tests require the ports to be connected by external cables to allow diagnostics to verify the serializer/deserializer interface,
transceiver, and cable. Some tests require loopback plugs.
Diagnostic tests are run at supported link speeds depending on the speed of the link being tested and the type of port.
NOTE
Diagnostic tests may temporarily lock the transmit and receive speed of the links during diagnostic testing.
Brocade recommends that you power-cycle the device after completing offline diagnostics tests.
Running diagnostic tests
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