yes. When there is a packet, directed
to your IP but to a different MAC address then it is pretty clear there
is someone using your IP.
usually this is done on Broadcast packets
so you can detect it also in switched networks. Basically ARP is used.
The AUTOIP mechanism uses a similar
approach, I think. Except for the AUTOIP mechanism there is (to my knowledge)
no defined behavior in this situation.
Most OSes inform the user about a conflict.
In AUTOIP, a different IP is chosen and tried again (in the 169.254. subnet)
It would be nice to have a callback
in the ARP Layer of LwIP to be notified and then implement your own behavior.
regards,
Fabian
address@hidden
wrote on 28.01.2009 14:49:54:
> Hi
>
> is there a way to detect an ip conflict in a LAN using lwip with a
> fixed IP (without DHCP)?
>
> Thanks,
> Piero_______________________________________________
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