Some modem (Draytek comes to mind) allow you to set the modem in bridge mode. At that point it is a atm to ethernet converter. Have a look at Soekris and Alixboard, used a lot for this exact task.
On Tue, Dec 22, 2015 at 07:32:57PM +0000, Frank White wrote: > Hi, > Yes I am sorry, I want build a small embedded system with openbsd to > connect a lan to an adsl line. I want all the devices with openbsd, > included the adsl modem. So the embedded system must have one or more > ethernet nic and a modem. > > > > > 2015-12-22 19:08 GMT+00:00 Tati Chevron <chev...@swabsit.com>: > > On Tue, Dec 22, 2015 at 06:45:04PM +0000, Frank White wrote: > >> > >> I want build a router/modem with openbsd. My is that I don't want > >> anykind of linux code around. I don't have any problems to build a > >> router, my problem is to have a modem without any linux firmware. > >> Anyone know if there are any pure modem to use it ? > >> Or any chip I can connect on any "itx or what u want" motherboard ? > > > > > > Can you be more specific about what you are trying to do? > > > > Are you trying to build a small embedded system using OpenBSD, or > > do you want to configure a normal desktop machine to route data > > from a, (3g? DSL? Cable internet?), source to other machines > > on the LAN? > > > > -- > > Tati Chevron > > Perl and FORTRAN specialist. > > SWABSIT development and migration department. > > http://www.swabsit.com