<div dir="ltr"><div>At a guess,<br><br>1) The SNMP ifIndex values have changed. ifIndex persistence is the default with Screen/JunOS but the complete upgrade/change of software will have caused ifIndex values to change.<br><br>2) The new O/S has additional interfaces that didn't exist before. e.g. loopback/NVI/etc/whatever.<br><br></div>3) You've done a rediscover on the device but now MRTG is trying to graph the old interfaces along with the new ones it has discovered.<br><div><div><div class="gmail_extra"><br>Generally speaking you'll want to identify the old RRD files you want to keep then replace the new interface RRD files with those. Probably some other tweaking involved, e.g. the interface line rate etc.<br><br></div><div class="gmail_extra">With those keywords in mind Google is probably your best bet at this point.<br><br><br><br><div class="gmail_quote">On 29 September 2014 10:04, Andrew Glassock <span dir="ltr"><<a href="mailto:andrew_glassock@idg.com.au" target="_blank">andrew_glassock@idg.com.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div><div><div><div>Hi all,<br><br></div><div>Slightly off topic question re MRTG<br></div><div><br></div>I have a Juniper SSG550M when first installed it was running ScreenOS on it and tracking the 5 interfaces with MRTG - happily working and producing traffic graphs for a couple of years.<br><br></div>We have changed the OS on the same hardware so the box is now running Junos - and in Juniper speak becomes a J6350.<br><br></div>I have re run the MRTG config but instead of seeing the 5 interfaces that are physically in the box I am seeing 20 interfaces being monitored - 7 showing traffic - 2 interfaces duplicated, 13 with no traffic. The rate on the graphs do not match the rate of the physical interfaces.<br><br></div>Any thoughts how to untangle this would be most welcome<br><br></div>Thanks<br clear="all"><div><div><div><div><div><div><br>-- <br><div dir="ltr"><font face="Helv"><font face="Helv">
<p>Andrew Glassock<br>Manager, Information Systems</p><p>ph <a href="tel:%2B61%202%209902%202726" value="+61299022726" target="_blank">+61 2 9902 2726</a><br>mob 0425 300 893<br><br>+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<br><br><font face="Helv"><font face="Helv"></font></font></p><p><b>IDG Communications Pty Ltd</b><br>PO Box 1753<br>North Sydney NSW 2059<br><br>Level 10, 15 Blue Street<br>North Sydney NSW 2060<br><br>Ph 02 9902 2700 <br></p><p>ABN 14 001 592 650<br></p></font></font></div>
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