[mrtg] Regarding getting actual traffic.

[Daniel J McDonald]

On Wed, 2007-02-14 at 15:07 +0545, Gaurav Ghimire wrote:
> Dear all,
> 
> I got stuck at a poing while trying to get the actual internet traffic out
> of a host in our network that has some intranet traffics too going  in and
> out of the same interface. Ok here is the scenario A is the host
> subscribed to both the internet and intranet via a Switch B and C are
> connected to the switch too but they are subscribed to intranet only A, B
> and C are all of  a same organisation and they share intranet. So what do
> I have to do  if I need to get the traffic for internet only in host A
> only. I know that deducting the intranet traffic from the total traffic
> will solve this but how to get the values for intranet and internet
> traffic. I  also know that deducting the traffic off the interfaces
> connected to B and C will help a bit but if only B and C shares a high
> amount of intranet that it will make the graph wrong. ANY SUGGESTIONS!!

mrtg can only graph that which it is given.  To get that information,
you need netflow.


-- 
Daniel J McDonald, CCIE # 2495, CISSP # 78281, CNX
Austin Energy
http://www.austinenergy.com