Vixel 9000 Series Installation & Configuration Guide APPENDIX C Troubleshooting
59
Understanding Common Issues
Note: If you have questions about the meaning and/or suggested actions for certain
logged event messages, see the event message reference document included in the
documentation.
Items to check for common symptoms are listed below.
Symptom
LED
Activity
Check
The Fault LED
keeps blinking
at power-up,
even though
the switch’s
health seems to
be functional.
Blinking
yellow Fault
LED.
See the logged event messages; a non-
emergency fault condition may have
occurred (such as incongruent system
configuration due to a previous firmware
upgrade). To stop the Fault LED from
blinking at every power-up, clear errors
from the system through the switch’s CLI.
From the CLI’s Root Menu, enter the
following command:
diagnostics clear_errors
The attached
host cannot
communicate
with a remote
device.
Blinking
yellow port
LED for the
port connected
to the host.
The communications link either has not
been established or has ceased
communication; there could be a possible
configuration problem. Ensure that the
port is configured correctly.
No LED
activity; no
problems
indicated.
• Make sure the remote device is connected
to the host by checking the port LEDs on
both devices.
• If the host cannot recognize the remote
device, reboot the host.
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