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Monitoring and Testing
4-6
3162-A2-GB20-30
March 1999
Table 4-3. Performance Registers (2 of 3)
Register Totals DescriptionInterval Description
SES The number of severely errored
seconds for the current interval.
A severely errored second is
any second with 320 or more
CRC errors, or any second with
one or more OOF events. The
maximum is 900 seconds.
The total number of severely
errored seconds for the previous
x
hours, where
x
is 24 hours for
aggregate performance and
8 hours for port performance.
BES The number of bursty errored
seconds for the current interval.
A bursty errored second is any
second with more than one, but
less than 320, CRC errors. The
maximum is 900 seconds.
The total number of bursty
errored seconds for the previous
x
hours, where
x
is 24 hours for
aggregate performance and
8 hours for port performance.
CSS
(Not valid for
Port registers.)
The number of controlled slip
seconds for the current interval.
The total number of controlled
slip seconds for the previous
x
hours, where
x
is 24 hours for
aggregate performance and
8 hours for port performance.
LOFC The loss of frame count for the
current interval. This is a count
of the number of times that an
LOF is declared. The maximum
count is 255.
The total loss of frame count for
the previous
x
hours, where
x
is
24 hours for aggregate
performance and 8 hours for
port performance.