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Remote IP Feature Phone Installation Manual
Configuring a NAT router for PPPoE
The following instructions are for the Linksys Etherfast Cable/DSL router model numbers BEFSRU31,
BEFSR41 v.2, and BEFSR11. The steps will be similar for other NAT routers. Refer to the router User's
Guide for the specific instructions. Instructions for configuring the Linksys router for specific ISPs can be
obtained from the Linksys Web site, www.linksys.com.
1. Retrieve the Linksys Etherfast Cable/DSL Router User's Guide that came with the router.
2. The PC must be configured to use DHCP or, as stated in the Windows Network properties, "Obtain
an IP address automatically." If you are not familiar with this setting:
• Click on the Start Menu, choose Settings, then choose Control Panel.
• Double click the Network icon. The Network dialog box appears.
• Choose the TCP/IP protocol. (If you do not see it, see "Appendix III: Installing the TCP/IP
Protocol," page J.1.) You may have multiple instances of the protocol bound to different adapters.
If so, double-click on the TCP/IP that appears for the network interface card (NIC) installed in
your computer.
• Click on the IP address tab, and ensure that the bullet next to Obtain IP address Automatically
is filled in.
• Click OK, and reboot your computer if needed.
3. Connect your router per the instructions on Page 18 of the User's Guide.
4. Once the router is connected to the modem, and the PC is connected to the router, open the Web
browser and in the address field enter the IP address of the modem. By default, that address is
192.168.1.1. (For more in depth instruction for configuring the router, see page 33 of the Linksys
Etherfast Cable/DSL Router User's Guide.)
5. If the PC is configured properly, the log-in screen will appear. Leave the User name field empty and
type admin into the password field and press Enter.
6. Configure the router based on how the network will be configured.
• Host Name and Domain Name — These will only need to be assigned if your ISP requires
them. The ESI Remote IP Feature phone does not require them.
• LAN IP address — Leave as default.
7. Enable the router to perform the PPPoE client function.
• From the setup screen, look toward the bottom of the screen. You will see the PPPoE option.
• Click the Enable button.
• Fill in the Username and Password. The ISP should have assigned these.
• Check the box next to the Keep Alive option. This option will allow the connection to remain
open indefinitely.
8. Restart the router by powering it off, then on again, and reboot the PC.
9. Once the router and the PC come back online, test the Internet connection to the main office
gateway using the DOS PING command (refer to Appendix I for additional instructions). If the PING
test fails, correct the problem before proceeding.
10. You are now ready to configure the router for use with the ESI IP Remote Feature Phone.
Configuring the remote modem/router
D.9
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