[En-Nut-Discussion] About the asix ethernet controller

[Harald Kipp]

Jean Paul,

Building an analyzer based on the Ethernut Board
would be possible, but it will be very limited,
because of the ATmega performance.

TCP is designed to lose packets and still run
quite well and reliable. A packet analyzer losing
packets may be rather useless.

Note, that analyzers run in promiscous mode, receiving
_any_ packet, not just those containing the right
MAC address or broadcasts. You probably need a
high performance CPU to handle this.

Harald

At 07:29 19.10.02 +0000, you wrote:


>Hi.
>I\'m aperuvian student of electronics, I\'m interested in building 
>a  ethernet
>frame analyzer with teh asix AX88796L ethernet controller? if possible? 
>because
>I read the datasheet and this controller has enough flags to detect errors 
>and
>well the ethernet frame ca be analyzed with the atmel mega128
>
>Please if someone has a great idea which can help me please send it.
>I want to do a network analyzer but with limitions to the tcp/ip only analize
>the ip address traffic and which protocols are using in the lan
>
>thanks
>
>