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Bugtraq archives for 4th quarter (Oct-Dec) 1998: Re: linux 2.0.35 ip aliasing with aliased hwaddr

Re: linux 2.0.35 ip aliasing with aliased hwaddr

pedwardWEBCOM.COM
Thu, 8 Oct 1998 10:45:50 -0700

The appropriate way to perform this is either:

 Set the new hwaddr in the card's filter list (most ethernet cards have a
        hardware packet filter, which filters ethernet frames based upon
        the hwaddr)

 Configure the card to do true MAC masquerading.  This is possible on a number
        of cards, however I believe the list is more limited than the one
        above.  Intel EEPro 10/100's will do MAC masquerading.

--Perry

>
> On Tue, 6 Oct 1998, Mike Baker wrote:
>
> > /sbin/ifconfig eth0:0 192.168.0.2
> > /sbin/ifconfig hw ether deadbeef0001
> >
> > This patch will put the real device in promisc to allow it to receive
> > all packets then use the kernel's network driver to drop packets that
> > don't match any device.
>
> So much for performance eh?
>
> - Oliver
>


--
Perry Harrington        System Software Engineer    zelur xuniL  ()
http://www.webcom.com  perry.harringtonwebcom.com  Think Blue.  /\