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Chapter 11 - Programming Data Alarms
SNMP Access Gateway User’s Manual - v1.0 -- 11/99 - Page 44
ports=1 - Only Port 1
ports=12 - Ports 1 and 2
ports=all - Ports 1 and 2
threshold - This entry specifies how many matching records must be received before the alarm action is
initiated. With most alarms this entry will usually be 1, but you may with other alarms to have a value or 30 or more.
actions - This entry specifies one or more actions to be taken when this alarm occurs. The syntax for specifying
what alarm actions to take is covered later in the following section Defining Alarm Actions.
cleartime - This entry specifies when to clear the counters on the alarm back to zero occurrences. Options
include:
1Hours - Clears every hour
2Hours - Clears every other hour
4Hours - Clears every four hours
6Hours - Clears every six hours
8Hours - Clears every eight hours
12hours - Clears every twelve hours
24hours - Clears every twenty-four hours
daily - Same as 24Hours
nn:nn - Clears at the specified time every day
Important Note: If you add an ‘A’ before any of the above clearing parameters (as in ‘A24Hours’), this will also
select the alarm counters to AUTOCLEAR to zero each time the alarm occurs. Otherwise an alarm notification can
occur only once within the designated period.
The second line of the alarm definition is the formula itself, with the following requirements:
alarmname_e - This is the same name as specified in the prior line with the addition of an ‘underscore’ and letter
e (for ‘equation’) after the name.
formula - This formula
11.9 - End Section
The alarm text file must end in the text [end].
11.10 - Defining Alarm Actions
When an alarm occurs, one or more alarm actions can be initiated by the SNMP Access Gateway. Any alarm can
include any one or all of the following actions (except only one beeper action):
Action ActionKey Options
Pagers P 1 to 8 different pager callouts
SNMP Traps T 1 to 8 different SNMP Managers
Beeper B 1 of 2 different beeper severity’s
Multiple actions are defined by using ‘action keys’ as shown above, plus the numbers to indicate which of those
actions should be done. For example, if you wanted to specify calling pagers 1 and 2, plus traps 1 and 3 you would
use specify alarm actions P12T13. By using this syntax each alarm can easily be assigned multiple alarm actions.
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