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You can check this page http://mrtg.meulie.net/doc/mrtg-reference.en.html it helped me set it up for my own use.<br><br>Check the part <br><dl><dt>External Monitoring Scripts</dt><dd>
                If you want to monitor something which does not provide
data via snmp you can use some external program to do
the data gathering.<BR>
                The external command must return 4 lines of output:<BR>
                
                        <BR><dl><dt>Line 1</dt><dd>
                                        current state of the first variable, normally 'incoming bytes
count'<BR>
                                </dd><dt>Line 2</dt><dd>
                                        current state of the second variable, normally 'outgoing bytes
count'<BR>
                                </dd><dt>Line 3</dt><dd>
                                        string (in any human readable format), telling the uptime of the
target.<BR>
                                </dd><dt>Line 4</dt><dd>
                                        string, telling the name of the target.<BR>
                                </dd></dl></dd></dl><br>                                            <br /><hr />Hotmail has tools for the New Busy. Search, chat and e-mail from your inbox. <a href='http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_1' target='_new'>Learn more.</a></body>
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