The MRTG graph is showing drops regularly every 2 hours pattern. (See attached file: dayunmik.bmp) I'm quite confident that is not a link problem. I'm monitoring a Cisco 3660 and using MRTG latest version. Can somebody help me please. Please find attached graph for your perusal Sincerely yours, Orlando -- Attached file removed by Ecartis and put at URL below -- -- Type: application/octet-stream -- Size: 66k (68578 bytes) -- URL : http://www.ee.ethz.ch/~slist/p/03-dayunmik.bmp -- Unsubscribe mailto:mrtg-request@list.ee.ethz.ch?subject=unsubscribe Archive http://www.ee.ethz.ch/~slist/mrtg FAQ http://faq.mrtg.org Homepage http://www.mrtg.org WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi