[mrtg] mrtg----In bound traffic.....

nangineni praneeth nv_2030 at yahoo.com
Tue Dec 16 04:12:06 CET 2008

well ,,,i have checked the logfile and the logfile is of constant values 

it shows  8 8 8 8 
              8 8  8 8
until i polled for the last time...No i am not using that option  unknaszero 

This is my configfile.........
Target[tcp]: . at servermaxbytes[tcp]: 100

So you mean to say that it must be showing a constant line at 8c/s if the logfile entries i am showing

--- On Tue, 12/16/08, Steve Shipway <s.shipway at auckland.ac.nz> wrote:
From: Steve Shipway <s.shipway at auckland.ac.nz>
Subject: RE: [mrtg] mrtg----In bound traffic.....
To: "'nangineni praneeth'" <nv_2030 at yahoo.com>, "'mrtg at lists.oetiker.ch'" <mrtg at lists.oetiker.ch>
Date: Tuesday, December 16, 2008, 8:06 AM


I can’t explain much as I don’t
know enough about your system.  MRTG will graph the figures it is given, are
you sure you are giving it constant values?  You also don’t say how you
are obtaining the values for ‘tcp active connections’, so this may
be relevant.   


The graph you show says that for certain
times MRTG has been given values less than 8 by the method you are using to
poll.  Possibly this is returning low or zero values, or failing to poll
correctly?  You are probably running MRTG with ‘unknaszero’ set in
native mode?  That would cause a sag in the line if the polling failed. 


Remember that perfmon polls at a far
higher frequency (20sec) to MRTG (5min) so you’ll see different usage


My guess is that your polling is failing
and so logging zeros for occasional samples.  Check that there are no failed
poll logs coming from your MRTG process. 




nangineni praneeth [mailto:nv_2030 at yahoo.com] 

Sent: Tuesday, 16 December 2008

To: 'mrtg at lists.oetiker.ch'; Steve

Subject: RE: [mrtg] mrtg----In
bound traffic..... 


  but my other
  interfaces where the traffic on serial interface is moving out the blue graph
  is showing a sawtooth graph....its only with the "in" traffic i am
  getting this sort of result....


  another thing i noticed is when i was monitoring activetcp connections..I
  used perfmon and monitored tcp connections and it showed a constant line of 8
  active connections.....mrtg also did show 8 but of the similar behaviour
  which i explained earlier...To just show you that i am attaching the png
  image........can you please explain a bit further on this behaviour





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