On Friday 29 February 2008, Steve wrote:
> Alan wrote:
> > Give iftop a look.
>
> great tool... unfortunately, even in promiscuous mode, it doesn't track
> TCP data except to/from the host on which it is running.  I presume this
> means that my Netgear DSL router implements a switch as as opposed to a
> hub...
>
> Nice try though...

Have you tried ntop?  It has various breakdowns and in promiscuous mode it 
should show where the bandwidth goes.
-- 
Regards,
Mick