[En-Nut-Discussion] Two Nut/OS boxes do not communicate with eachother

Willem Myburgh willem.myburgh at gmail.com
Sat Dec 16 18:53:33 CET 2006


Unfortunately, I'll only be able to work further on this issue next year.

Regards
--Willem

On 12/16/06, William Baker <bbaker at priefert.com> wrote:
>
> Willem, did you make any progress on this issue?
>
> bbaker
>
> >Hi There
> >
> >We have a private APN, which allocates fixed IP addresses to our mobile
> >units.
> >
> >Regards
> >--Willem
> >
> >On 12/13/06, Krzysztof Drewicz <hunter at mimuw.edu.pl> wrote:
> >
> >
> >>Willem Myburgh napisał(a):
> >>
> >>
> >>>The PC is also connected to the GPRS network.
> >>>
> >>>
> >>>
> >>>
> >>>>We use PPP. Each system connects to a GPRS network.
> >>>>
> >>>>
> >>With 95% of certain your GSM operator blocks direct p2p connections in
> >>GPRS/IP.
> >>First try to setup a serwer (anywhere in the internet) and use some
> >>simple tcp application. You could use some netcat/redir combinantion or
> >>write some app in perl.
> >>It will open a pair of sockets, read on one port and forward to the
> >>another socket if the second one is connected.
> >>
> >>In Poland most GSM providers count up to 2 Euro extra charge / month for
> >>one public IP on the GPRS, it's not firewalled by any means i.e. you are
> >>on your own and your ethernut box is connected to the Internet with
> >>public ip, you should consider this in your setup.
> >>Also, you could use some GSM based VPN, you will have your own virtual
> >>network like 10.11.12.32/29 (in most cases it is small) but it's
> >>firewalled from the Internet, you have access to the net, and p2p
> >>communication is not restricted, also in Poland it costs sth like
> >>200-300 Euro / month for 10 sim cards.
> >>
> >>
> >>Best Regards.
> >>
> >>
> >>
> >>
> >>
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> >>
> >>
> >>
> >
> >
> >
> >
> >
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-- 
Willem Myburgh
South Africa
Mobile: +27834150416


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