User`s guide

Troubleshooting 2-17
Loopback Test Error Messages
The loopback test is started with the portLoopbackTest nFrames command
over Telnet where, nFrames is the number of frames for the test to run. See
portLoopbackTest on for more information.
If an error is found, one or more of the following error messages is displayed.
One of the following register names is displayed in the error message with the
message replacing the term (
regname
):
Enc_in
– Encoding error, inside frame
CRC_err
Cyclic redundancy check on frame failed
TruncFrm
– Truncated frame
FrmTooLong
– Frame too long
BadEOF
– Bad end of file
Enc_out
Encoding error, outside frame
BadOrdSet
Bad symbol on fiber-optic cable
DiscC3
– Discarded Class 3 frames.
Feb 12 08:48:29
0000DIAG-ERRSTAT, 1
00Port N
regname
error counter is nnnn sb 0
Probable cause:
Failure of G_Port and FL_Port ASIC
Action:
Replace interface module
Probable cause:
Failure of interface module
Action:
Replace interface module
Probable cause:
Failure of GBIC module connector
Action:
Replace GBIC module
Feb 12 08:48:29
0000DIAG-TIMEOUT, 1
00Port N receive timeout.