Vixel 9000 Series Installation & Configuration Guide APPENDIX C Troubleshooting
63
Possible
Internal System
Problem
system errors • TxTagErr
• TxParityErr
CRC condition is gener-
ated internally
• TxCRCErr
• RxCRCErr
Switch-wide, the amount of
transmitted CRC errors usually
equals the amount of received
CRC errors. If the switch (that is,
the sum of all ports) has
transmitted more CRC errors
than it has received, the
transceiver or switch may have an
internal problem. To find out
whether the switch has an
internal problem, check for the
following conditions:
• Voltage problems or noise on
A/C power.
• Non-optimum temperature
(see the fans).
If the switch has an internal
problem, contact an authorized
service representative.
FIFO errors • RxFIFOOverRun
• TxFIFOUnderRun
Note: Contact an authorized
service representative if FIFO
errors occur.
internal framing prob-
lem
• TxMissingDelims
Possible
System
Configuration
Problem
frames have inconsis-
tent sizes
• RxFrameTooLong
Issue Probable cause(s)
Look for an increase in
these Link Statistic(s)
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