[mrtg] Re: Adding two OID together

[David Gabler]

I would suggest reading the documentation, specifically the RouterUptime
example under "Configuration for each Target you want to monitor ". 
http://ee-staff.ethz.ch/~oetiker/webtools/mrtg/config.html

Then after reading that read the "Target" subsection under the same section,
specifically
"You can also explicitly define the OID to query by using the following syntax
'OID_1&OID_2:community at router' The following example will retrieve error counts
for input and output on interface 1. MRTG needs to graph two variables, so you
need to specify two OID's such as temperature and humidity or error input and
error output. 

    Example: 

     Target[ezwf]:
1.3.6.1.2.1.2.2.1.14.1&1.3.6.1.2.1.2.2.1.20.1:public at myrouter
"

If you read that you should understand.




At 05:14 PM 3/16/00 +0200, Steven Sporen wrote:
>Hi,
>
>I've got a weird problem that I don't understand, I got the OID for CAR on a
>Cisco Router (Thanx Marc), I'd like to add two values together for
>SwitchedBytes and FilteredBytes - (not too sure if that's correct, I want to
>should to bandwidth used  on that access list) so I tried to put the
>following into my CFG file
>
>Target[International]:
>1.3.6.1.4.1.9.9.82.1.2.1.1.2.3.2.1&1.3.6.1.4.1.9.9.82.1.2.1.1.4.3.2.1:mrtg at 1
>71.29.158.2
>
>That worked but doesn't add the two values together. I tried just 
>
>Target[International]: 1.3.6.1.4.1.9.9.82.1.2.1.1.2.3.2.1:mrtg at 171.29.158.2
>
>but that didn't work, then I tried
>
>Target[International]:
>1:1.3.6.1.4.1.9.9.82.1.2.1.1.2.3.2.1:mrtg at 171.29.158.2 +
>2:1.3.6.1.4.1.9.9.82.1.2.1.1.4.3.2.1:mrtg at 171.29.158.2
>
>Also didn't work.
>
>So the question is, how do I add the values together?
>
>Thanx for your help!
>
> Regards
>  Steven Sporen
>
>Snr Network Admin, ECnet | www.ecnet.co.za
>
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----------
David Gabler                  Project Manager, Network Services
Americom USA       Phone 805.545.5078

----------


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