[rrd-users] Unreasonable values

McCann, Brian bmccann at andmore.com
Mon Nov 22 14:14:42 MET 2004

	Hi all.  I'm having a hard time understanding how to do
this...yet I know it has to be possible with by at least using a CDEF.
I'm trying to figure out how to black out bad data values in some
graphs, for when counters reset, like a traffic counter on an interface
of a router, as the value that will get graphed is WAY off from what it
should.  So, I'd like to do a 'sanity' check, where if the value is
above X, just black it out.  Does anyone know how to do this?  Could
someone share an example?


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