On Wed, 2009-02-11 at 05:19 -0800, pvh wrote: > Hello, > > I've recently had to install MRTG on Windows with the latest ActivePerl at > work to monitor a server. > What I'm doing is graphing all active interfaces (as per the default > cfgmaker configuration), and I added a totals graph which is simply > something like that: > 1:commun...@ip + 2:commun...@ip + 3:commun...@ip ..
So, when one counter rolls over, mrtg has no way of knowing (and correcting) > I'm working with fast ethernet interfaces (all 32 bit counters) here. Thus rollovers are frequent. The only way to accurately do this is to collect the three counters separately, and use routers2.cgi (or some other similarly enlightened front end, but there aren't any others published with this feature) and build a stacked graph to show the actual total. Note that that requires RRDtool as a backend -- Daniel J McDonald, CCIE #2495, CISSP #78281, CNX Austin Energy http://www.austinenergy.com
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