Hi Craig,

internet -- adsl modem -- [linux (eth1: public IP) ] [linux (eth0: internal IP)] - nat

Can anyone make any recommendations on devices that do this? Reliability is far more important than price (these will be for business customers) and I would prefer something that has firmware upgrades available without a support contract.

We use an Alcaltel SpeedTouch-Home DSL modem to get a real-world-IP on our eth1, but it too uses a PPP-to-PPTP relay like the Nokia M1122 you mentioned. I am not aware of any DSL modems that do PPP-to-Ethernet relaying. I'm not even sure how you would implement this in the DSL modem. I guess the eth interface of the DSL modem would have to emulate the IP of the upstream side of the PPP link, and provide some sort of DHCP server to assign that IP as default-gateway to the downstream client).  Regards, Pete