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Chapter 13: Monitoring Network Connections
Avidia System Configuration and Management User Manual 283
The following table describes the information displayed after you type a line command.
Monitoring SONET Path Statistics
From the ::sonet=> prompt, type the path command in the following format then press
.
path [<port>] [-far][-interval (<number>|all)]
Information Description
Port The OC3 card slot and port to which the row of statistics applies.
Status Options:
• NoDefect
—There are no errors on the SONET line.
• AIS (Alarm Indication Signal)—There is an alarm at the local end of the
SONET line.
• RDI (Remote Defect Indication)
—There is an alarm at the remote end of the
SONET line.
ESSs The number of errored seconds in the reporting interval. Errored seconds are
the number of seconds during which at least one Line layer bipolar error was
detected or an Alarm Indication Signal - Line (AIS-L) error was present.
SESs The number of severely errored seconds in the reporting interval. The number
of seconds during which 2,500 or more Line layer bipolar errors were detected
or an AIS-L error was present.
CVs The number of coding violations in the reporting interval. Coding violations are
the number of bipolar errors detected at the Line layer.
UASs The number of unavailable seconds in the reporting interval. Unavailable
seconds are the number of seconds during which the line was unavailable. A
line becomes unavailable at ten consecutive severely errored seconds.
Interval A number between 1 and 96 which identifies the interval for which the set of
statistics is displayed. For example, interval 1 provides statistics for the most
recently completed 15-minute interval and interval 5 provides the statistics for
the fifth most recently completed 15-minute interval. This information only
displays if you specify an interval in the command line.
ENTER