[mrtg] Re: Inwards traffic not correct

Paul C. Williamson pwilliamson at mandtbank.com
Tue Oct 16 21:19:59 MEST 2001


It could be that way.  Where is the In connected?  If it is to the internet, 
it could be a sign that you are getting attacked, but your router 
is somehow filtering everything.  If it is connected to your internal 
network, you could be getting some chatty network nodes talking 
to your router, but again, it is doing a good job of filtering everything.

How many interfaces are on the router?  It could be that the traffic 
is coming in on that one interface, but going to other interfaces to 
go out other interfaces, rather that right back out the same one that 
all the traffic came in on.  

In any event, it looks like you've made some progress.

Paul

>>> "Jeroen Geusebroek" <Jeroen.Geusebroek at intellit.nl> 10/16/01 02:38PM >>>

It seems that the router I use does not correctly render the traffic
inwards, outwards it 
does correctly render the traffic.

Now I have: 

Current In: 1446.1 kB/s 
Current Out: 120.3 kB/s

Is it possible to only monitor the "out" traffic? Or could someone
explain
what could be wrong with my router?

Out is 100% accurate, but inwards is not. Inwards can hardly be any more
that outwards.

ifInOctets.1 = Counter32: 1970577098
ifOutOctets.1 = Counter32: 752641180

Is what I get from snmpwalk.

Thanks,

Jeroen


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