[rrd-users] Re: Oddly excessive bandwidth reports coming from a T1, read on for details
Petr M. Swedock
petr at MIT.EDU
Tue Apr 23 12:13:46 MEST 2002
: 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.
\ ` Petr Swedock http://web.mit.edu/petr /\
\ Laboratory for Information and Decision Systems /\
/ http://lids.mit.edu / \
/___, ,/ \.
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