Ethereal, VMware, and duplicate packets

[Christopher R. Hertel]

On Sat, Jun 26, 2004 at 07:03:28PM -0400, Derrell.Lipman at UnwiredUniverse.com wrote:
> "Christopher R. Hertel" <crh at ubiqx.mn.org> writes:
> 
> > There's this age-old problem when running vmware and Ethereal on the same 
> > box.  When sniffing the eth0 interface on my Linux 'host' system, the 
> > packets sent by the vmware 'guest' system appear twice in the capture.
> >
> > What's the work-around for this?
> 
> You can try setting the vmware guest network adapter to "host only" (giving it
> its own network interface and IP address range) and then assign routes on the
> Linux (native) side to and from the host-only address range.  This will, of
> course, affect how other computers see your vmware guest and vice versa --
> i.e. not at all, for a Windows vmware guest and B mode) but if you can live
> with that limitation, this just might solve your problem.

It's an interesting solution, but I kind of like having the virtual 
machines on the same LAN.  That way I get to see all of the LAN traffic.

The other solution I've come across is to run the capture (using tcpdump,
etc.) on a third box.

Thanks!

Chris -)-----

-- 
"Implementing CIFS - the Common Internet FileSystem" ISBN: 013047116X
Samba Team -- http://www.samba.org/     -)-----   Christopher R. Hertel
jCIFS Team -- http://jcifs.samba.org/   -)-----   ubiqx development, uninq.
ubiqx Team -- http://www.ubiqx.org/     -)-----   crh at ubiqx.mn.org
OnLineBook -- http://ubiqx.org/cifs/    -)-----   crh at ubiqx.org