[rrd-users] Averaging of Gauge Values...?

[Roger.Widmer1 at swisscom.com]

Hi all

I'm monitoring ISDN BRI channel's on Cisco router and poll the MIB
".ifOperStatus". Since the according value is either 5 (dormant) or 1 (up) I
use the Gauge structure. My problem is, that the poll doesn't take place at
exact intervals, there is always a couple of seconds tolerance (multitasking
is not realtime!). To account for this, RRD tries to calculate the value for
the exact interval and that's what's giving me a lot of trouble. 

Result from RRD Fetch:

 985158960: 5.0000000000e+000 5.0000000000e+000
 985159020: 5.0000000000e+000 5.0000000000e+000
 985159080: 3.9333333333e+000 5.0000000000e+000
 985159140: 1.0000000000e+000 3.9333333333e+000
 985159560: 1.0000000000e+000 1.0000000000e+000
 985159380: 2.0666666667e+000 2.0666666667e+000
 985159440: 3.9333333333e+000 5.0000000000e+000
 985159500: 1.0000000000e+000 3.9333333333e+000
 985159560: 1.0000000000e+000 1.0000000000e+000

As only 5 and 1 are valid values I don't exactly know if the values in
between mean 5 or 1, I could guess or round but I don't want to do that.

Is there a possibility to tell RRD not to do any changes to the values?

Thanks for your Help
Bye
Roger
   

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