User guide

Statistics Software Engineering
5-11
Telesyn Service Guide (Circuit Emulation Service (CES))
5.5.1.3 PSPAN Statistics (PMON)
The collection rules for PSPAN statistics are similar to other PMON statistics (15-minute clock aligned collec-
tion windows). lists Table 5-2 lists the statistics and any guidelines for setting thresholds and viewing historical
trends.
UAS Unavailable Sec-
onds
The number of seconds the
line was unavailable
CV Line Coding Vio-
lations
A count of Line Coding Vio-
lations
TABLE 5-3 PMON Statistics for DS1/E1 Interfaces
Statistic Meaning Description Threshold Setting
Historical Trends
to Watch
LOPSS Loss of Packet
Stream Seconds
Counts the number of
seconds when a LOPS
defect is present
ES ErroredSeconds Counts the number of
seconds when any error
conditions occurred
(e.g. missed sequence
number).
Note: SES is not
collected
LatePkts Late Packets
EarlyPkts Early Packets
LostPkts Lost Packets
PacketsReceived Number of pack-
ets received
Should be a consistent
value. Useful in con-
firming traffic flow.
BytesReceived Number of bytes
received
Should be a consistent
value. Useful in con-
firming traffic flow.
TABLE 5-2 PMON Statistics for DS1/E1 Interfaces
Statistic Meaning Description Threshold Setting
Historical Trends
to Watch