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Basic Alarm Configuration 3-7
Alarm Configuration
5. Any value you enter in the Community field will be included in any trap
messages issued by your 9H42x-xx in response to the alarm(s) you are
configuring; this value is also used to direct traps related to this alarm to the
appropriate management workstation(s):
a. If you enter a value in this field, traps related to the associated alarms
will only be sent to the network management stations in the device’s trap
table which have been assigned the same community name (and for
which traps have been enabled). Any IP addresses in the device’s trap
table which have not been assigned the same community string, or which
have been assigned no community string, will not receive traps related to
the alarm(s) you are configuring.
b. If you leave this field blank, traps related to the associated alarms will
be sent to any network management stations which have been added to
the device’s trap table, and for which traps have been enabled —
regardless of whether or not those IP addresses have been assigned a
community name in the Trap Table.
6. Click in the Rising Threshold field; enter the high threshold value for this
alarm. Remember, compared values are always relative, or delta values (the
difference between the value counted at the end of the current interval and
the value counted at the end of the previous interval); be sure to set your
thresholds accordingly.
Remember, too, when configuring a Kilobits alarm, SPECTRUM Element
Manager converts octets into kilobits (units of 125 bytes, or octets) for you;
for example, to set a rising threshold of 1250 octets, enter a threshold value
of 10.
NOTES
In order for the trap selection to work properly, your 9H42x-xx must be configured to send
traps to your network management station. This can be accomplished via the Remote
Administration Tools application or via Local Management and the Trap Table. See the
Remote Administration Tools User’s Guide and/or your device hardware manual for
more information.
If you are monitoring a variable you consider to be critical, we do not recommend that you
select Trap as the only event response; if a trap is lost due to a collision or other
transmission problem, it will not be re-sent.
TIP
For more information about configuring the 9H42x-xx’s Trap Table, consult the Remote
Administration Tools User’s Guide and/or your Local Management documentation.
(Remember, no traps will be sent by your 9H42x-xx at all unless its Trap Table has been
properly configured!)