14.6 Application Example II: Processing SNMP Traps

Asynchronous messages that are sent by an SNMP agent (see 11.1 Introduction to SNMP from page 228) to a central management unit, called traps in SNMP jargon, can be processed by Nagios in a way similar to the Nagios Service Check Acceptor (NSCA). In addition, it allows SNMP traps to be accepted on a host other than the Nagios server itself.

Processing SNMP traps with Nagios is particularly worthwhile if the system monitors the network almost completely, and only a few devices or services restrict their communication just to SNMP and SNMP traps. Nagios, or the Open Source tool OpenNMS,[144] are no substitutes for real commercial SNMP management systems.

In many cases, SNMP traps are vendor-specific, ...

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