check_snmp plugin stopped working

[Eric Chatham]

Thank you for the reply.  I ended up re-installing the plugins.  It seemed to fix the problem.  I just found it rather strange that all of sudden the plugin stopped responding.

...and, changing the community string as well.

Eric Chatham



From: Onotsky, Steve x55328 [mailto:Steve.Onotsky at broadridge.com]
Sent: Wednesday, April 01, 2009 14:46
To: Eric Chatham; Nagios Users Mailinglist
Subject: RE: [Nagios-users] check_snmp plugin stopped working

> Today, for some reason, the check_snmp plugin stopped working.  SNMP is configured for this server and I'm
> able to run commands like smpget and snmpwalk to the remote host; however, when I try to run the
> check_snmp plugin, I keep getting "no data received from host."

> [root@ ~ libexec]# ./check_snmp -v 1 -H xxx.xxx.xxx.41 -C public -o dskAvail.1
> /usr/local/bin/snmpget -t 1 -r 5 -m ALL -v 1 -c public xxx.xxx.xxx.41:161  dskAvail.1

> SNMP problem - No data received from host
> CMD: /usr/local/bin/snmpget -t 1 -r 5 -m ALL -v 1 [authpriv] xxx.xxx.xxx.41:161  dskAvail.1

> [root@ ~ libexec]# snmpget -v1 -c public 208.93.224.41 dskAvail.1
> UCD-SNMP-MIB::dskAvail.1 = INTEGER: 65150524


Maybe someone made a firewall change, between your Nagios box and the target host?

Also, just a security-minded suggestion, you should probably change the community strings.

SNMP - "Security?  Not My Problem."  :)


Cheers


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