[mrtg] Re: Monitoring same OID differnet device's

[Alex van den Bogaerdt]

David Sawyer wrote:
> 
> 
> I've seen this kind of post before, informing users to use a zero OID.
> Currently I'm logging open ISDN calls on a 3640 chassis and have the same
> OID in the target.
> 
> It won't be difficult to find a null OID but can anybody recommend a global
> one that I can use on all devices.

I don't know of any and I doubt there is one.

If you don't want to depend on an OID returing zero, you can always
use the external program interface.  Of course you need to query the
devices yourself in that case.

Another approach would be to use MRTG+RRDtool.  Use MRTG to query the
devices and write your own graphing script with RRDtool.  This also
allows for more than two lines on one graph.

HTH
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