[Alexandre Rafalovitch <arafalov@xxxxxxxxx>]

That may not be helping the original question, but it is good for me
to know. I was having troubles testing some scenarious because of this
limitation and not having access to the other machine .

Now I know I might be able to do it on Linux.

Thank you,
   Alex.
P.s. Should we put this bit in the wiki somewhere? Could be useful.

On 4/14/05, Guy Harris <gharris@xxxxxxxxx> wrote:
> Alexandre Rafalovitch wrote:
>
> > But what situation would you want to use it in? Usually if the IP
> > addresses are the same, the traffic will actually go over the local
> > interface and Ethereal will not be able to capture it anyway.
>
> ...unless you're running on Linux, one of the BSDs (including Mac OS X),
> Digital/Tru64 UNIX, or possibly Irix and AIX if libpcap was built to
> support BPF (*NOT* Solaris or HP-UX or Windows), in which case, you can
> capture on the loopback interface and see traffic from the machine to
> itself.
>