<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:a="urn:schemas-microsoft-com:office:access" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:odc="urn:schemas-microsoft-com:office:odc" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:q="http://schemas.xmlsoap.org/soap/envelope/" xmlns:D="DAV:" xmlns:mt="http://schemas.microsoft.com/sharepoint/soap/meetings/" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:ois="http://schemas.microsoft.com/sharepoint/soap/ois/" xmlns:dir="http://schemas.microsoft.com/sharepoint/soap/directory/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsp="http://schemas.microsoft.com/sharepoint/dsp" xmlns:udc="http://schemas.microsoft.com/data/udc" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sub="http://schemas.microsoft.com/sharepoint/soap/2002/1/alerts/" xmlns:ec="http://www.w3.org/2001/04/xmlenc#" xmlns:sp="http://schemas.microsoft.com/sharepoint/" xmlns:sps="http://schemas.microsoft.com/sharepoint/soap/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:udcs="http://schemas.microsoft.com/data/udc/soap" xmlns:udcxf="http://schemas.microsoft.com/data/udc/xmlfile" xmlns:udcp2p="http://schemas.microsoft.com/data/udc/parttopart" xmlns:wf="http://schemas.microsoft.com/sharepoint/soap/workflow/" xmlns:dsss="http://schemas.microsoft.com/office/2006/digsig-setup" xmlns:dssi="http://schemas.microsoft.com/office/2006/digsig" xmlns:mdssi="http://schemas.openxmlformats.org/package/2006/digital-signature" xmlns:mver="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns:mrels="http://schemas.openxmlformats.org/package/2006/relationships" xmlns:spwp="http://microsoft.com/sharepoint/webpartpages" xmlns:ex12t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:ex12m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:pptsl="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/" xmlns:spsl="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService" xmlns:Z="urn:schemas-microsoft-com:" xmlns:st="" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 12 (filtered medium)"> <style>  </style> </head> <body lang="EN-US" link="blue" vlink="purple"> <div class="Section1"> 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.<o:p></o:p> <o:p> </o:p> …and, changing the community string as well.<o:p></o:p> <o:p> </o:p> <div> Eric Chatham<o:p></o:p> <o:p> </o:p> <o:p> </o:p> </div> <o:p> </o:p> <div> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"> From: Onotsky, Steve x55328 [mailto:Steve.Onotsky@broadridge.com] Sent: Wednesday, April 01, 2009 14:46 To: Eric Chatham; Nagios Users Mailinglist Subject: RE: [Nagios-users] check_snmp plugin stopped working<o:p></o:p> </div> </div> <o:p> </o:p> > Today, for some reason, the check_snmp plugin stopped working. SNMP is configured for this server and I’m <o:p></o:p> > able to run commands like smpget and snmpwalk to the remote host; however, when I try to run the <o:p></o:p> > check_snmp plugin, I keep getting “no data received from host.”<o:p></o:p> <o:p> </o:p> > [root@ ~ libexec]# ./check_snmp -v 1 -H xxx.xxx.xxx.41 -C public -o dskAvail.1<o:p></o:p> > /usr/local/bin/snmpget -t 1 -r 5 -m ALL -v 1 -c public xxx.xxx.xxx.41:161 dskAvail.1<o:p></o:p> <o:p> </o:p> > SNMP problem - No data received from host<o:p></o:p> > CMD: /usr/local/bin/snmpget -t 1 -r 5 -m ALL -v 1 [authpriv] xxx.xxx.xxx.41:161 dskAvail.1<o:p></o:p> <o:p> </o:p> > [root@ ~ libexec]# snmpget -v1 -c public 208.93.224.41 dskAvail.1<o:p></o:p> > UCD-SNMP-MIB::dskAvail.1 = INTEGER: 65150524<o:p></o:p> <o:p> </o:p> <o:p> </o:p> Maybe someone made a firewall change, between your Nagios box and the target host?<o:p></o:p> <o:p> </o:p> Also, just a security-minded suggestion, you should probably change the community strings.<o:p></o:p> <o:p> </o:p> SNMP – “Security? Not My Problem.” J<o:p></o:p> <o:p> </o:p> <o:p> </o:p> Cheers<o:p></o:p> <o:p> </o:p> <pre>This message and any attachments are intended only for the use of the addressee and<o:p></o:p></pre> <pre>may contain information that is privileged and confidential. If the reader of the <o:p></o:p></pre> <pre>message is not the intended recipient or an authorized representative of the<o:p></o:p></pre> <pre>intended recipient, you are hereby notified that any dissemination of this<o:p></o:p></pre> <pre>communication is strictly prohibited. If you have received this communication in<o:p></o:p></pre> <pre>error, please notify us immediately by e-mail and delete the message and any<o:p></o:p></pre> <pre>attachments from your system.<o:p></o:p></pre> <pre><o:p> </o:p></pre> </div> <hr> CONFIDENTIAL. This e-mail and any attached files are confidential and should be destroyed and/or returned if you are not the intended and proper recipient. </body> </html>