It is very kind of you to reply so quickly, Alex buddy! Can you introduce me some materials dealing with how to enable mrtg using 64-bit counter mechanism? I have no such experience before. Better step by step document just like the installation guide of mrtg.
Best regards, George >From: Alex van den Bogaerdt <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: [mrtg] Re: configure mrtg for a 1000M network router >Date: Wed, 12 May 2004 16:56:46 +0200 > >On Wed, May 12, 2004 at 10:21:55PM +0800, George Lin wrote: > > > I am assigned a task to configure mrtg for a 1000M network router. I have > > some experiences before to configure mrtg to monitor a 100M network router, > > so the basic configuration is not a problem. But a friend told me that mrtg > > can not work smoothly with high speed network (for example, 1000M network) > > without snmp V2 enabled and rrdtool enabled. And the interval mrtg script > > runs should be 1 minute (as short as possible). I previously use 5 minute > > interval in crontab to enable mrtg to monitor 100M router. > >You're dealing with the problem of counter overflows. This can happen >in the snmp counters and can also happen in the mrtg programs. > >Using 64-bit counters will solve at least one problem, that of snmp >counters overflowing. > >When the counter values are coming in using 64-bit counters, mrtg should >be able to cope with them. The resulting rate (after computing the diff >and dividing by the diff in time) may exceed the amount that can be >stored in a 32-bit counter. I am not sure if MRTG can cope with data >rates above 2 GB/s. > >Running MRTG every minute in stead of every 5 minutes will result in: >- smaller deltas inbetween updates (useful for 32-bit counters) >- more granularity in detecting peak values > >HTH >Alex >-- >I ask you to respect any "Reply-To" and "Mail-Follow-Up" headers. If >you reply to me off-list, you'd better tell me you're doing so. If >you don't, and if I reply to the list, that's your problem, not mine. > >-- >Unsubscribe mailto:[EMAIL PROTECTED] >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 > _________________________________________________________________ 与联机的朋友进行交流，请使用 MSN Messenger: http://messenger.msn.com/cn -- Unsubscribe mailto:[EMAIL PROTECTED] 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
