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Chapter 13: Monitoring Network Connections
Avidia System Configuration and Management User Manual 281
The following table describes the information displayed after you type a section command.
Monitoring SONET Line Statistics
From the ::sonet=> prompt, type the line command in the following format then press
.
line [<port>] [-far][-interval (<number>|all)]
Information Description
Port The OC3 line card slot and port to which the row of statistics applies.
Status The current status of the specified port. Options:
• NoDefect
—There are no errors on the SONET Section layer.
• LOS—There is a Loss Of Signal on the SONET Section layer.
• LOF—There is a Loss Of Frame on the SONET Section layer.
ESs The number of errored seconds in the 15-minute reporting interval. Errored seconds
are seconds during which at least one Section layer bipolar error was detected or a
severely errored frame or loss of signal error was present.
SESs The number of severely errored seconds in the 15-minute reporting interval. Severely
errored seconds are seconds during which 2,500 or more Section layer bipolar errors
were detected or a severely errored frame or loss of signal error was present.
SEFSs The number of severely errored framing seconds in the 15-minute reporting interval.
Severely errored framing seconds are seconds during which the incoming signal has
a minimum of four consecutive errored framing patterns.
CVs The number of coding violations in the 15-minute reporting interval. Coding violations
are the number of bipolar errors detected at the Section layer.
Interval The 15-minute reporting interval for which the statistics are reported. This column
only displays if you specify an interval in the command line.
ENTER