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230
C
6: P
B
HAPTER
ATH
UILDER
S700 D
P
IAGNOSTICS AND
ERFORMANCE
E3 ATM Statistics ATM cell statistics are cell counts since the last counter reset.
On the ATM Statistics screen, you can reset the counter by entering [c]. ATM
statistics are displayed as a list rather than a table, as shown earlier in Figure 174.
The E3 UNI ATM Statistics screen displays the following statistics:
Cells Received—The number of ATM cells received on the E3 since the last user
reset of this counter.
Cells transmitted—The number of ATM cells transmitted on the E3 since the last
user reset of this counter.
Cells dropped—The number of idle/unassigned cells encountered and dropped
on the interface.
Cells with HCS errors—The number of header check sequence (HCS) errored
cells encountered on the ATM interface.
Viewing OC3/STM-1 UNI Module Statistics
You can view the following types of statistics for the OC3/STM-1 UNI Module:
OC3/STM-1 UNI Performance Monitoring (physical monitoring of the line)
n
ATM Statistics (monitoring of the ATM payload)
n
OC3/STM-1 UNI Performance Statistics You can view the following types of
OC3/STM-1 performance statistics:
section
n
line
n
far line
n
path
n
far path
n
OC3/STM-1 UNI Section Performance Monitoring
ES—The number of errored seconds (ESs) encountered by the OC3/STM-1 section.
SES—The number of severely-errored seconds (SESs) encountered by the
OC3/STM-1 section.
SEFS—The number of severely errored framing seconds (SEFSs) encountered by
the OC3/STM-1 section.
CVS—The number of coding violations (CVs) encountered by the OC3/STM-1
section.
LOS—The number of Loss of Signal (LOS) conditions encountered by the
OC3/STM-1 section.
LOF—The number of Loss of Frame (LOF) conditions encountered by the
OC3/STM-1 section.
OC3/STM-1 UNJ Line Performance Monitoring
ES—The number of errored seconds (ESs) encountered by the OC3/STM-1 line.
SES—The number of severely-errored seconds (SESs) encountered by the
OC3/STM-1 line.
M
ONITORING
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