<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:st="" xmlns="http://www.w3.org/TR/REC-html40" xmlns:ns1="http://schemas.microsoft.com/sharepoint/soap/workflow/" xmlns:ns2="http://schemas.microsoft.com/office/2006/digsig-setup" xmlns:ns3="http://schemas.microsoft.com/office/2006/digsig" xmlns:ns4="http://schemas.openxmlformats.org/package/2006/digital-signature" xmlns:ns5="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:ns6="http://schemas.microsoft.com/office/2004/12/omml" xmlns:ns7="http://schemas.openxmlformats.org/package/2006/relationships" xmlns:ns8="http://microsoft.com/sharepoint/webpartpages" xmlns:ns9="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:ns10="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:ns11="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/" xmlns:ns12="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService" xmlns:ns13="urn:schemas-microsoft-com:"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <style>  </style>  </head> <body lang=EN-CA link=blue vlink=purple> <div class=Section1> > 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> </div> </body> </html> <pre>This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system.