<div dir="ltr">Using Googlemail, an advert for this popped up:<br><br><a href="http://opsview.org/">http://opsview.org/</a><br><br>The FAQ says it is a set of extensions to Nagios, with reports as you are looking for.<br>Might be well worth a look.<br>
<br><a href="http://opsview.org/opsviewreports">http://opsview.org/opsviewreports</a><br></div>