On 2 Nov 2017, at 20:06, Edwin A. Epstein III wrote: > I double checked the literature and have some ideas as to what went wrong.
Thank you, Edwin, for the time and careful thought you've given to the
problem I was trying to solve.
In the meantime, I've worked out a solution without needing to use an external
collector script. I was able to identify
- how I had been misreading the documented syntax (my bad!),
- how MRTG's mathematical expressions seem to be constrained, and
- how I might inject a zero value by configuring an additional interface.
To keep the story short, the following target formula (when unfolded as a
single line) seems to do what I need.
Target[limes.no8.be_aggregate-up]:
1.3.6.1.2.1.31.1.1.1.10\ether3-uplink&
1.3.6.1.2.1.31.1.1.1.10\ether2-uplink:[email protected]:::::2 +
1.3.6.1.2.1.31.1.1.1.10\dummy&
1.3.6.1.2.1.31.1.1.1.10\ether3-uplink:[email protected]:::::2
Thanks again for your time and thoughtful consideration.
Apologies too for not persevering a bit more before looking to the list
for help.
Best regards,
Niall O'Reilly
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