[rrd-users] Re: Oddly excessive bandwidth reports coming from a T1, read on for details

[Petr M. Swedock]

 : On Tue, 23 Apr 2002 16:29:12 +0700 (ICT)
 : Olivier Nicole <on at cs.ait.ac.th> wrote:
 : > >I use rrdtool's STACK type in the graph for ifInOctets, placing it on top
 : > >of ifOutOctets, so the upper boundary of ifInOctets is indeed a measure of 
 : > >aggregate bandwidth, and this should never exceed 1.54Mbps, which it does 
 : > >quote often.
 : > 
 : > If you use STACK, then you do not display InOctets, but InOctet + OutOctet
 : 
 : that's what I said.  
 : 
 : and that aggregate is what isn't supposed to exceed 1.54Mbps

That's incorrect. And it's not an aggregate. It's the addition of
the 1.5Mb/s IN channel and the 1.5Mb/s OUT channel.  Each direction
is, itself, 1.5Mb/s. 

Peace,

Petr

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