Monitoring and Trap Alerting
The IPSentry SNMP Monitor and Alert add-in provides you with the ability to
monitor SNMP compliant devices for management objects for specific value
The SNMP add-in allows you to setup multiple filters to be checked during a
cycle - if any one of the values queried match the specified alerting
filters, the add-in will return an alert state to IPSentry thus causing any
scheduled alerts to be triggered.
The add-in component contains a built-in MIB browser, MIB compiler, and SNMP
MIB walker allowing you to import vendor specific MIB definitions and
perform hierarchical viewing of the devices many values for selection within
the given filters.
Use of this add-in is generally utilized to test various aspects of values
returned from the queried device and compare to a user-defined threshold.
However, the add-in provides additional monitoring functionality as a
byproduct of it's usage.
- Ensure that the Device is responding to SNMP queries
- Ensure that the object being queried is accessible.
The values returned are then compared against your filters which may
include whether or not:
- Value is Equal To a specific value.
- Value is Like a specific value (OCTET STRING)
- Value Contains a specified value (OCTET STRING)
- Value is less than a specified value
- Value has changed
- Value has increased
- Value has decreased
- Value is within a specified range
- Value has increased by more than a specified value.
- Value has decreased by more than a specified value.
- Value has changed by more than a specified value.
Each of the above can be compared for positive or inverse matches.
The SNMP Device and Trap alerting add-in is a dual function add-in component
with built-in MIB browser allowing you to walk the MIB on an SNMP device
with it's primary focus on the ability to query SNMP compliant devices (V1,
V2c, V3) for object values and evaluate them against a user defined filter
that ranges from octet matches and contains, to value range thresholds,
along with inverse and delta based comparisons.
You can specify the object ID directly if you know it or you can import the
MIB definitions, locate the object in the SNMP tree, walk the host and
select the object for filtering and alerting.
Within this add-in comes the SNMP trap alerting functionality for use in the
IPSentry Add-In Alert area. The IPSentry base application includes an
alerting mechanism for add-in components which extends the base
functionality considerably. IPSentry can send traps to a trap host as a
notification regarding the state of the entry being monitoring along with a
descriptive on the reason for the alert allowing you to incorporate
monitoring results into your existing SNMP management systems.
Evaluate this feature in the fully functional download
more details in our help
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