[mrtg] MRTG and blank cpu graphs...........please help

[nangineni praneeth]

Thank you very much for your help

Regards
Venkat


--- On Thu, 11/27/08, Steve Shipway <s.shipway at auckland.ac.nz> wrote:
From: Steve Shipway <s.shipway at auckland.ac.nz>
Subject: RE: [mrtg] MRTG and blank cpu graphs...........please help
To: "'nv_2030 at yahoo.com'" <nv_2030 at yahoo.com>
Cc: "'mrtg at lists.oetiker.ch'" <mrtg at lists.oetiker.ch>
Date: Thursday, November 27, 2008, 2:41 AM




 
 







If you use RRDtool mode for MRTG instead
of native mode, then it can happily log decimals so 0.4% will display
correctly. 

   

If you tell MRTG the same OID twice and don’t
give the noo option, then the graph will show the same line twice.  So you
are seeing the blue line and the green area, but both are the same OID so the
same CPU.  They represent the same thing. 

   

Steve 

   











From:
mrtg-bounces at lists.oetiker.ch [mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of nangineni praneeth

Sent: Thursday, 27 November 2008
04:08

To: Jakub M

Cc: mrtg at lists.oetiker.ch

Subject: Re: [mrtg] MRTG and blank
cpu graphs...........please help 



   


 
  

Thanks a lot for your help...I sorted it out actually based on a suggestion given by one of the members in the forum....The reason being the load on the router wasnt much..It was like 0.4% which MRTG was rounding of to zero....So i actually managed to load the router and could see the results.....Its also that we need to wait for three successive polls before we can see the results

  

However i have got a small question.As we know that MRTG needs two variables to graph the data but the cisco 2811 series router which i am using has only one cpu....So i used the same OID for representing both the variables which is like 

 

1.3.6.1.4.1.9.2.1.58.0&1.3.6.1.4.1.9.2.1.58.0......

  

But i didnt use the switch options[xxxx]:noo to hide the second variable and MRTG was giving two graphs........How is this possible the router has only cpu and i should be seeing only one graph that is the blue one but suprisingly MRTG is drawing the green graph as well.What data could this green graph represent......Is it just graphing some random data or what??

  

   
 


   





 




      
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