> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:nagios-users- > [EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: Thursday, April 26, 2007 9:39 AM > To: nagios-users@lists.sourceforge.net > Subject: [Nagios-users] Ping and RTA > > > What is RTA?
Round Trip Average. The average time it took to receive a response to your ping packets. > Between the 10:20 pm and 10:30 pm CST, RTA for the same multiple > devices > increases dramatically and then returns immediately to normal > operational/baseline levels. Any thoughts on what could be the root > cause of such a consistent occurrence? Would this be symptomatic of a > broadcast storm? Could Spanning Tree be the root cause? What is the > most simplistic way to determine the root cause? Many things could cause it including the ones you mention. Could also be links approaching capacity, high cpu usage on a router or others. I'd start by running mtr from your nagios machine to one of the machines experiencing the problem and examine the devices that showed high round trip times for anomalies. -- Marc ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
