Nagios Support Forum

Posted: **Tue Mar 26, 2019 1:43 am**

Hi ssax

PMed you the zip file.

With thanks

Posted: **Tue Mar 26, 2019 11:05 am**

Is snmptrapd running? That's the service responsible for moving information from port 162 to the snmptt system, and if it's not running you won't see anything in any logs.

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service snmptrapd status

Posted: **Wed Mar 27, 2019 1:00 am**

Yes, that's running

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[root@am1nms-nagiosxi ~]# service snmptrapd status
snmptrapd (pid  2236) is running...

Posted: **Wed Mar 27, 2019 10:51 am**

I installed your version of XI on CentOS 6, ran the SNMP Trap Installation script from here:

https://assets.nagios.com/downloads/nag ... ios_XI.pdf

Then I replaced my /etc/snmp with your /etc/snmp, then restarted the services:

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service snmptrapd restart
service snmptt restart

Then I ran this command on the XI server (and left it running):

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tail -Fn0 /var/log/messages /var/log/snmptt/*

I then ran this command from a remote system:

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snmptrap -v 2c -c public 192.168.X.X '' NET-SNMP-EXAMPLES-MIB::netSnmpExampleHeartbeatNotification netSnmpExampleHeartbeatRate i 123456

Which shows me these messages on the XI server:

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==> /var/log/messages <==
Mar 27 10:45:25 xid snmptrapd[4677]: 2019-03-27 10:45:25 <UNKNOWN> [UDP: [192.168.X.X]:35394->[192.168.X.X]:162]:#012DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (42687119) 4 days, 22:34:31.19#011SNMPv2-MIB::snmpTrapOID.0 = OID: NET-SNMP-EXAMPLES-MIB::netSnmpExampleHeartbeatNotification#011NET-SNMP-EXAMPLES-MIB::netSnmpExampleHeartbeatRate = INTEGER: 123456

==> /var/log/snmptt/snmptt.log <==
Wed Mar 27 10:45:25 2019 .1.3.6.1.4.1.8072.2.3.0.1 Normal "netSnmpExampleHeartbeatRate" 192.168.X.X - SNMP netSnmpExampleHeartbeatRate

==> /var/log/messages <==
Mar 27 10:45:28 xid snmptt[4706]: .1.3.6.1.4.1.8072.2.3.0.1 Normal "netSnmpExampleHeartbeatRate" 192.168.X.X - SNMP netSnmpExampleHeartbeatRate
Mar 27 10:45:28 xid nagios: Warning:  Passive check result was received for service 'SNMP Traps' on host '192.168.X.X', but the host could not be found!
Mar 27 10:45:28 xid nagios: Error: External command failed -> PROCESS_SERVICE_CHECK_RESULT;192.168.X.X;SNMP Traps;0;netSnmpExampleHeartbeatRate
Mar 27 10:45:28 xid nagios: External command error: Command failed

That shows that the trap was received by snmptrapd, processed by SNMPTT (because you have your snmptt.conf setup properly for it, it went into the snmptt.log), and then tries to put it into Nagios but because it doesn't exist on my system it shows up in Admin > Unconfigured Objects.

I would do that exact process on your system again, it's safe.

Posted: **Tue Apr 02, 2019 8:01 am**

Hi,

I finally managed to solve this issue. The issue was with the SNMP translator but the Nagios server had two IPs in which when issuing a trap it was sending it via the incorrect one!
Traps are now visible in the logs and GUI.

Thanks for your prompt support. This ticket can be marked as solved/closed.

Posted: **Tue Apr 02, 2019 1:49 pm**

Thank you for posting your findings! Locking now and marking as resolved.

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