nagios core snmp trap setup

Nagios, the Nagios logo, and Nagios graphics are the servicemarks, trademarks, or registered trademarks owned by Nagios Enterprises. This document is intended for use by Nagios XI Administrators who wish to learn how SNMP Traps work. At this point it might be helpful to shut each one down and take a snapshot of it before continuing to allow you to go backwards if you make a mistake. In this example you can see that $* has been used, this is a variable, $* means it will expand all the variables (OBJECTS) that were sent with the trap. SNMP - Nagios Exchange We don't know when a trap will be sent as it depends on why the sending device decides it will send a trap. Now you will upload them to your SNMP Receiving server.Open a web page to http://10.25.5.30/nagiosxi, Under System Extensions click Manage MIBs, Navigate to your Desktop and double click the file NAGIOS-ROOT-MIB.txt, Navigate to your Desktop and double click the file NAGIOS-NOTIFY-MIB.txt, Return to your SSH session on your SNMP Receiving server. Going back to our original OID number it is: To find this in the NAGIOS-NOTIFY-MIB.txt file, all you need to do is search for: What this means is that the OID .1.3.6.1.4.1.20006.1.7 is an SNMP Trap that was generated as a result of a service event in Nagios. Re: Setting up SNMP trap. It takes the events from the SNMP Trap Daemon (SNMPTRAPD) service and figures out if it needs to perform an action with them or to ignore them. Now it is correctly reflecting the Warning status. You will get an output similar to the picture below: So what you have confirmed here is that the SNMP Receiving server successfully received a trap from the sending server AND it is recording it into the snmptt.log file. Nagios Support Knowledgebase - Search [1416634449] Warning: Passive check result was received for service 'SNMP Traps' on host 'snmpsender', but the service could not be found! How Do I install the Nagios check_snmp Plugin? - Ask Ubuntu Even though the Status Information says USERS WARNING the Status column is still Ok. You are being shown the configuration step by step so you understand each change you are making. Making statements based on opinion; back them up with references or personal experience. So this is correct the, the trap was related to the CentOS server which had the hostname of CentOS. Within a minute or so the everything should return back to an OK state on the RECEIVING SNMP server.

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