4 machines !! so was any extra setting were done or just the same commands
on every machine i.e.

tunnel.py --freq <some freq> --bitrate 500k
 and then in other terminal
sudo ifconfig gr0 192.168.200.x



On Thu, Apr 5, 2012 at 7:03 PM, Tom Rondeau <t...@trondeau.com> wrote:

> On Thu, Apr 5, 2012 at 7:45 AM, sumitstop
> <sumit.ku...@research.iiit.ac.in> wrote:
> >
> > Hi all,
> >
> > Can I use tunnel.py for more than 2 systems. Right now I am able to ping
> > between two systems ( 192.168.200.1  & 192.168.200.2). But when I run the
> > same program in the third system (192.168.200.3) it says destination host
> > unreachable after pinging.
> >
> > ** USRP-1
> >    Ubuntu 10.04
> >    gnuradio 3.5.2
> >
> > -----
> > Sumit Kr.
> > Research Assistant
> > Communication Research center
> > IIIT Hyderabad
> > India
>
>
> Sumit,
> Yes, it is possible, but things get increasingly difficult with
> co-channel interference and no error correction in tunnel.py. At one
> point, I have 4 machines communicating over tunnel.py with each other.
>
> Tom
>
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