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From: albrechtuhlmann on 15 Jun 2008 15:02
Hello,

for a networking application, I need to set the source MAC address
individually
for every IP packet that I send. Is this possible at all? I know that
the MAC address
can be changed in software but per IP frame? On the other hand, every
layer 2
switch does exactly this, so it must be possible in principle. Do I
need special
network controller chips that support this feature? All datasheets of
ethernet
controllers I got hands on allow you to program the MAC address but it
is then
automatically filled in for every packet.

Also, how would the programming side look like? I presume I must use
RAW sockets
but in which field would I set the source MAC address?

Thanks,

Albrecht
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