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opEvents provides the ability for the user to set event properties as events are received.  For example, if a user wanted to set a specific priority for an event it can be done here.  This article will provide a methodology for adding SNMP trap parsing to EventParserRules.  EventParserRules.nmis is found in the /usr/local/omk/conf directory.  Read the notes at the top of this file as they are very informative as to what is possible in regard to the parser rules.

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Evaluate The Traps

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To Be Processed

The customer should provide Create a list of SNMP traps that they require are required be processed by opEvents. 

Correlate Events Into Stateful Pairs

For this discussion we will assume that the concept of 'state' is important to the customer.  If there is a down event, there should be a corresponding up event.  It is possible that several down events could share a single up or clearing event.

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