BridgeTech VB20 User Manual page 114

The Ethernet parameter thresholds are used for generating Ethernet probe alarms as
well as for calculating error-seconds. Error seconds and ETH probe alarms are issued
whenever measurements exceed the parameter thresholds.
Name: The name of the Ethernet threshold template
Refs: The number of streams associated with this Ethernet threshold
IAT:MLR error: This threshold contains error limits for IAT (Inter-packet Arrival
IAT:MLR warning: This threshold contains warning limits for and MLR (Media
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Ethernet parameter thresholds
template
Time) and MLR (Media Loss Rate).
The IAT limit is the first parameter (before the colon), the MLR
limit is the last parameter. If the IAT limit is exceeded the
alarm 'IAT >= err-thresh' will be raised. If the MLR limit is
exceeded the alarm 'MLR >= err-thresh' will be raised. The
severity (and hence the colour used in the MediaWindow view)
for IAT:MLR errors depend on the severity assigned to these
alarms in the Alarms - Alarm Setup view.
Note that error seconds based on MLR are counted regardless
of this threshold if one or more packets are missing.
Loss Rate).
The IAT limit is the first parameter (before the colon), the MLR
limit is the last parameter. If the IAT limit is exceeded the
alarm 'IAT >= warn-thresh' will be raised. If the MLR limit is
exceeded the alarm 'MLR >= warn-thresh' will be raised. The
severity (and hence the colour used in the MediaWindow view)
for IAT:MLR errors depend on the severity assigned to these
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115