Re: help: duplicate MAC address

[Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>]

martin f krafft <madduck@debian.org> writes:

> also sprach Lestat V <dreameration@gmail.com> [2006.10.18.0509 +0200]:
>> Can it be normal? Or what may be going on my computer and the LAN?
>
> Yes, this can happen. I suggest you use the ifupdown pre-up hook to
> change them on each machine.
>
> iface eth0 inet dhcp
>   pre-up ip link set $IFACE address de:ad:be:ef:ba:be

Or someone is doing arp poisoning to sniff your traffic. Check with
tcpdump to see whats going over the wire.

MfG
        Goswin