Argus giving wrong bytes results ?

[Reykjavik hindisvik]

Hello,

I would like to use argus to draw graph of bandwidth usage for our network.
Today, I'm using SNMP which give me a graph of my bandwidth, and I've setup
Argus which draw the same graph for the same Network Interface but does not
give me the same results at all...

I can't believe it's a bug but I bet it's just a different way to get the
packets and maybe there's an option to get the same results as I have with
SNMP.

For example : When I download a 130Mb File, SNMP show me 130MB, but Argus
show me much more (maybe be it includes size of header or something that
SNMP don't...) and for me the result in the right.
So my question is :

1) What does exactly makes the difference ?
2) Is there a way to get the same results (option or something...)
3) Maybe I can recount it after with a math formula to get the same results,
but which formula ?

Thanx for your ideas.

Best regards,

H.
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