How to configure a Netopia DSL Modem to Bridged Mode.
The first step in configuring the Netopia DSL modem is to gain access into the modem's interface. Open a web browser and type the following URL address 192.168.1.254 and click on go. You may be prompted to place a Login Username and Password. Use admin for both.
You will see the following screen where you will want to click on Home.

Next you will want to enter Expert Mode, which you can choose from the left menu.

Click on OK.

Next choose Configure from the Top Menu.
Then Click on LAN.

Then DHCP Server.

In the drop down box for Sever Mode select Off and click on Submit.
Navigate back to Configure, then click on Advanced.

Click on Ethernet Bridge.

Put a Check into the box next to Enable Bridging on Port and click Submit. You may then be prompted with a confirmation screen.
Click again on Configure then WAN.

Click on PPP over Ethernet vcc1.

Remove the check mark from the Enable Interface and then click on Submit.
Click on WAN again and next remove the Check mark from the box for Enable Gateway Option. Then click on Submit.
Click on Configure again and then click on the Yellow Triangle at the top right of the screen.

Click on Save and Restart.

The Netopia should now be Bridged. Next you will probably want to configure your Router to use PPPoE.