[En-Nut-Discussion] Ethernut/GPRS router

[Ralph Mason]

I have worked on just this type of thing, except I do it via a serial port
(eg 2 ppp interfaces).

I have a rough firewall, and you can do a kind of Nat with static routes.

Ralph

> -----Original Message-----
> From: en-nut-discussion-admin at egnite.de
> [mailto:en-nut-discussion-admin at egnite.de]On Behalf Of Mike Cornelius
> Sent: Thursday, 17 July 2003 11:28
> To: en-nut-discussion at egnite.de
> Subject: RE: [En-Nut-Discussion] Ethernut/GPRS router
>
>
> Hi Lee,
>
> Further to Harald's responses:-
>
> There's no real need for GPRS drivers as such if you want to use the
> standard ethernut hardware, to establish a GPRS session all you need do is
> send 2 at commands to the GPRS modem, specifically,
>
> Set the GPRS context
> AT+CGDCONT=1,"IP","internet"	(for example).
>
> Dial 'GPRS'
> ATD*99#
>
> Which as Harald suggests can be done via the chat mechanism.
>
> BTW
> We manufacture a complete hardware solution to suit your
> description, have a
> look at our iT products at
> http://www.call-direct.com.au/gsm-gprs_modems.htm
> These include:-
> GPRS Phone module
> ATMEGA 128
> 32k SRAM
> Nut/OS (Of Course)
> 10BT Ethernet
>
> We've not actually had any demand for a GPRS NAT router as you
> describe but
> I did envisage making such a thing, this missing link as Harald
> suggests is
> the NAT.
>
> I wouldn't expect that producing a NAT driver for Nut/OS would be too
> difficult.
>
> Regards,
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Mike Cornelius                      Internet: mikec at calldirect.com.au
> Call Direct Cellular Solutions      Phone:    +61 2 99-65-75-85
> Level 1 8-22 West St North Sydney   FAX:      +61 2 99-65-75-90
> NSW 2060 Australia                  URL:      http://www.calldirect.com.au
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
>
> -----Original Message-----
> From: en-nut-discussion-admin at egnite.de
> [mailto:en-nut-discussion-admin at egnite.de]On Behalf Of Lee Davies
> Sent: Wednesday, July 16, 2003 7:59 PM
> To: en-nut-discussion at egnite.de
> Subject: [En-Nut-Discussion] Ethernut/GPRS router
>
>
> Hi guys,
>
> With all this talk of PPP/GPRS components, has anybody tried producing a
> cheap GPRS router based on the Ethernut. Didn't a newsgroup member mention
> interest in a similar project ?
>
> Does the Ethernut include all the necessary components to provide routing
> capability:
>
> 1. NAT
> 2. ARP
> 3. RARP
> 4. DCHP server
> 5. PPP
> 6. GPRS drivers
>
> This would be an excellent project if it's achievable on the Ethernut.
>
> Regards,
>
> Lee
>
>
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