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Additional Performance Monitoring Support on the Console Interface 183
A partial sample display is shown here:
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CONNECTOR 4B
TIME SINCE FLUSH/REBOOT(days:hours:mins:secs): 00:02:34:12
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CUMULATIVE STATISTICS SINCE LAST FLUSHED OR R
ES 00010
OOF 00001
CRC 00019K
FERR 00134
BPV 00005
------------------------------------------------------------------------------
LAST 24 HOURS STATISTICS IN 15 MINUTE SAMPLES
00:15 00:30 00:45 01:00 01:15 01:30 01:45 02:00 02:15
ES 00000 00000 00000 00000 00000 00000 00000 00000 00000
OOF 00000 00000 00000 00000 00000 00000 00000 00000 00000
CRC 00900 00900 00900 00900 00900 00900 00900 00900 00900
FERR 00900 00900 00900 00900 00900 00900 00900 00900 00900
BPV 00000 00000 00000 00000 00000 00000 00000 00000 00000
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The statistics definitions are as follows:
ES - Errored Second = A second in which a OOF (Out of Frame) or CRC
(Cyclic Redundancy Check error) occured and a UAS (UnAvailable
Second) has not occured. This is the same statistic provided in the
WanCounter display. It is not actually a primitive statistic, but is included
here for convenience.
OOF - Out Of Frame = A count of the number of times synchronization to
the receive T1 or E1 frame was lost.
CRC - Cyclic Reduncy Check error = A count of CRC-Errored T1 or E1
frames in the receive stream, based on CRC checksum calculations.
FERR - Frame Bit ERRor = A count of frame bit errors occuring in the
receive T1 or E1 framing patterns.
BPV - Bipolar Violation = A count of illegal bipolar violations reported in
the line code of the receive T1 or E1 signal.