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SNMP MIBs and Traps, and RMON Alarm Defaults
B-14
9820-A2-GB20-20June 2000
Traps: RMON-Specific
Two traps are defined to support the Alarm and Events Groups of RMON. See
RMON Alarm and Event Defaults
for the default values that will generate
RMON-specific traps.
Table B-9. RMON-Specific Traps and Variable-Bindings
Trap
Variable-Bindings Possible Cause
risingAlarm H alarmIndex (RFC 1757)
H alarmVariable
(RFC 1757)
H alarmSampleType
(RFC 1757)
H alarmValue (RFC 1757)
H alarmRisingThreshold or
alarm Falling Threshold
(RFC 1757)
H devLastTrapString
(devHealthAndStatus.-
mib)
Object being monitored has risen
above the set threshold.
String:
‘Change in $variableName
$typeString threshold of
$alarmRisingThreshold by
$(alarmValue –
alarmRisingThreshold.’
(e.g., ‘Octets received on Sync
Data Port S01P1 frame relay
rose to threshold of 1.’)
$typeString is ’rose to’
if alarmValue equals
alarmRisingThreshold;
otherwise, it is ’exceeded’.
fallingAlarm H alarmIndex (RFC 1757)
H alarmVariable
(RFC 1757)
H alarmSampleType
(RFC 1757)
H alarmValue (RFC 1757)
H alarmFallingThreshold
(RFC 1757)
H devLastTrapString
(devHealthAndStatus.-
mib)
Object being monitored has
fallen below the set threshold.
String:
‘Change in $variableName
$typeString threshold of
$alarmRisingThreshold by
$(alarmFallingThreshold –
alarmValue).’
(e.g., ‘Octets received on Sync
Data Port S01P1 frame relay
rose to threshold of 1.’)
$typeString is ’fell to’
if alarmValue equals
alarmFallingThreshold;
otherwise, it is ’fell below’.