[mrtg] Reversing sums of OIDs

Erik Power erik at sitespecific.net
Tue Aug 24 19:01:48 MEST 1999

Hi all,
	I'm having some trouble figuring out how to do this, or if it's even
possible. I have a couple of entries in my .cfg file that take the sum of
two or more sets of OIDs from different devices, e.g.
oid1.in&oid1.out:string at device1 + oid2.in&oid2.out:string at device2. I'd like
to swap the IN/OUT values for the total sum, just like I invert non-summed
target values with the "-" sign. However, I don't seem to be getting
anywhere with any of the following:

-oid1.in&oid1.out:string at device1 + -oid2.in&oid2.out:string at device2
-oid1.in&oid1.out:string at device1 + oid2.in&oid2.out:string at device2
-oid1.in&oid1.out:string at device1 - oid2.in&oid2.out:string at device2

Any hints?



Erik P. Power              Site Specific, Inc.
erik at sitespecific.net      1402 3rd Ave. Suite 324
Voice: (206) 652-0677      Seattle, WA 98101
Fax:   (206) 652-0676      http://www.sitespecific.net

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