Cisco ONS 15327, User Documentation

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Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 8 Performance Monitoring
Performance Monitoring for Electrical Cards
Table 8-9 Near-End DS3 Line PMs for the XTC DS3 Cards
Parameter Definition
DS3 CV-L Code Violation Line (CV-L) indicates the number of coding violations
occurring on the line. This parameter is a count of bipolar violations
(BPVs) and excessive zeros (EXZs) occurring over the accumulation
period.
DS3 ES-L Errored Seconds Line (ESL) is a count of the seconds containing one or
more anomalies (bipolar viol excessive zeros, or BPV + EXZ)
and/or defects (loss of signal) on the line.
DS3 SES-L Severely Errored Seconds Line (SES-L) is a count of the seconds
containing more than a particular quantity of anomalies (bipolar
viol excessive zeros, or BPV + EXZ > 44) and/or defects on the
line.
DS3 LOSS-L Loss of Signal Seconds Line (LOSS-L) is a count of one-second intervals
containing one or more Loss of Signal (LOS) defects.
Table 8-10 Near-End SONET Path PMs for the XTC DS3 Cards
Parameter Definition
STS CV-P
Near-End STS Path Coding Violations (STS CV-P) is a count of B IP
errors detected at the STS path layer (i.e., using the B3 byte). Up to eight
B IP errors can be detected per frame; each error increments the current
CV-P second register.
STS ES-P
Near-End STS Path Errored Seconds (STS ES-P) is a count of the seconds
when at least one STS path B IP error was detected. An AIS-P defect (or
a lower-layer, traffic-related, near-end defect) or an LOP-P defect can
also cause an STS ES-P.
STS FC-P Near-End STS Path Failure Counts (STS FC-P) is a count of the number
of near-end STS path failure events. A failure event begins when an AIS-P
failure, an LOP-P failure, a UNEQ-P, or a TIM-P failure is declared. A
failure event also begins if the STS PTE that is monitoring the path
supports ERDI-P for that path. The failure event ends when these failures
are cleared.
STS SES-P Near-End STS Path Severely Errored Seconds (STS SES-P) is a count of
the seconds when K (2400) or more STS path B IP errors were detected.
An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an
LOP-P defect can also cause an STS Severely Errored Second Path
(SES-P).
STS UAS-P
Near-End STS Path Unavailable Seconds (STS UAS-P) is a count of the
one-second intervals when the STS path is unavailable. An STS path is
unavailable at the onset of ten consecutive seconds that qualify as
Severely Errored Seconds Path (SES-Ps), and continues to be unavailable
until the onset of ten consecutive seconds that do not qualify as SES-Ps.
The ten seconds with no SES-Ps are excluded from unavailable time.