I would turn off nat on your ADSL. :)
Keep using masq or upgrade to snat.
Treat ethX as you did pppX.
Every thing should work fine.
--- Russ Cook <[EMAIL PROTECTED]> wrote:
> Please help. For many years I have been using Debian Linux on machines
> at home, including a machine dedicated for dial-up access and
> masquerading for my home lan. My lan also consists of two windows
> machines for family members.
>
> DSL just became available in my area, and we subscribed. Now I need
> help getting my lan reconfigured to use the DSL modem and still protect
> my lan from the outside world.
>
> The modem is set up as a NAT device, and is configured for DHCP on my
> side of the interface. I've never used DHCP under Linux, and don't have
>
> a server set up. I access the modem via Ethernet, which means my
> firewall machine now needs a second card so my Lan can remain connected.
> I can access the internet with my Linux machine by setting my IP address
>
> manually to the default IP in the modem, which is 192.168.1.2. The
> modem retains 192.168.1.1 for itself, and translates to a different set
> of addresses on the 'internet' side. To complicate things, the address
> the modem expects me to access it with conflicts with my home lan, which
>
> uses 192.168.1.0 addresses. So, it appears I may have to reconfigure my
>
> home lan for a different block of addresses for the second ethernet card
>
> to access, and bridge between the two ethernet cards in my linux
> gateway. I have little actual experience with routing and firewalls, I
> tend to learn what I need for the task at hand, and then leave things
> alone unless they break. Consequently, I forget most of what I learn by
>
> the time I need it again. I have heard of PPPOE, and my provider has
> mentioned it to me, but they say the modem is set up for DHCP. My
> complication comes because I want to retain my own ip masquerading and
> firewall capability.
>
> Can anyone help me or point me to some step-by step reference material?
>
> Thanks much,
> Russ
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