56
APPENDIX C Troubleshooting
You can check the system and port status through the Light-Emitting Diodes (LEDs)
on the Vixel 9000 Series Fibre Channel Switches. During normal operation, all
LEDs indicate general health of the switch (see “Ports and LEDs” on page 48).
During Power On Self Test (POST), the LEDs indicate sequential progression of
POST subtests, the switch’s passing or failing of POST, and which subtest(s) were
failed, if applicable. (For more information, see “Powering On the Switch and
Interpreting the LEDs” on page 6.) The management (MGMT-RS-232) port
supports Vixel 9000 Series Switch POST diagnostics when connected to a standard
terminal with a terminal emulator.
Running Diagnostics
To display test results, you can put the Vixel 9000 Series Switch into a diagnostic
output mode. In this mode, the diagnostic displays a passed or failed result and
prompts you with additional options.
Instructions
CAUTION: Run this mode
under the direction of an
authorized service person
only.
To put the Vixel 9000 Series Switch into optional diagnostic output mode:
1. Obtain:
• A serial DB-9 null-modem cable.
• An asynchronous terminal (19,200 baud, 8 bit, 1 stop, no parity), or
a PC in terminal emulation mode.
2. Power off the switch (remove the power cord).
3. Insert the serial DB-9 null-modem cable into the switch’s MGMT port,
connecting the other end of the cable to an asynchronous terminal or to a PC in
terminal emulation mode (using Microsoft Windows' HyperTerminal).
Running Diagnostics 56
Troubleshooting using the Web Manager 58
Understanding Common Issues 59
Finding the Correct Boot Sequence 60
Checking the Simple Name Server (SNS) 60
Viewing Port Link Statistics 61
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General