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There also may be a provisioning problem with your ISP. Unless you connect manually, the modem router will not authenticate using PPPoE or PPPoA until data is transmitted to the network. Troubleshooting Internet Browsing If your modem router can obtain an IP address but your computer is unable to load any Web pages from the Internet: • Your computer may not recognize any DNS server addresses. A DNS server is a host on the Internet that translates Internet names (such as www addresses) to numeric IP addresses. Typically your ISP will provide the addresses of one or two DNS servers for your use. If you entered a DNS address during the modem router’s configuration, reboot your computer and verify the DNS address as described in “Preparing a Computer for Troubleshooting Network Access” on page 41. Alternatively, you can configure your computer manually with DNS addresses, as explained in your operating system documentation. • Your computer may not have the wireless ADSL modem router configured as its TCP/IP default gateway. If your computer obtains its information from the modem router by DHCP, reboot the computer and verify the modem router address as described in “Preparing a Computer for Network Access” on page 41. Troubleshooting a TCP/IP Network Using the Ping Utility Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then responds with an echo reply. Troubleshooting a TCP/IP network is made easy by using the ping utility in your computer. Testing the LAN Path to Your Router You can ping the router from your computer to verify that the LAN path to your router is set up correctly. To ping the router from a PC running Windows 95 or later: 1. From the Windows toolbar, click the Start button and select Run. 2. In the field provided, type Ping followed by the IP address of the router, as in this example: ping 192.168.0.1 3. Click OK. You should see a message like this one: Pinging with 32 bytes of data If the path is working, you see this message: Reply from < IP address >: bytes=32 time=NN ms TTL=xxx If the path is not working, you see this message: Request timed out If the path is not functioning correctly, you could have one of the following problems: • Wrong physical connections Troubleshooting – Make sure the LAN port LED is on. If the LED is off, follow the instructions in “LAN LEDs Are Off” on page 30. – Check that the corresponding Link LEDs are on for your network interface card and for the hub ports (if any) that are connected to your workstation and router. • Wrong network configuration – Verify that the Ethernet card driver software and TCP/IP software are both installed and configured on your PC or workstation. – Verify that the IP address for your router and your workstation are correct and that the addresses are on the same subnet. Testing the Path from Your Computer to a Remote Device After verifying that the LAN path works correctly, test the path from your PC to a remote device. From the Windows run menu, type: PING -n 10 where is the IP address of a remote device such as your ISP’s DNS server. If the path is functioning correctly, replies as in the previous section are displayed. If you do not receive replies: • Check that your PC has the IP address of your router listed as the default gateway. If the IP configuration of your PC is assigned by DHCP, this information will not be visible in your PC’s Network Control Panel. Verify that the IP address of the router is listed as the TCP/IP default gateway as described in “Preparing a Computer for Network Access” on page 41. • Check to see that the network address of your PC (the portion of the IP address specified by the netmask) is different from the network address of the remote device. • If your ISP assigned a host name to your PC, enter that host name as the Account Name in the Basic Settings menu. Restoring the Default Configuration and Password This section explains how to restore the factory default configuration settings, changing the router’s administration password to password and the IP address to 192.168.0.1. You can erase the current configuration and restore factory defaults in two ways: • Use the Erase function from the modem router menu. Troubleshooting • Use the Restore Factory Settings button on the rear panel of the router. Use this method for cases when the administration password or IP address is not known. Using the Restore Factory Settings Button To restore the factory configuration settings without knowing the administration password or IP address, you must use the Restore Factory Settings button on the rear panel of the modem router. 1. Press and hold the Restore Factory Settings button until the Power LED turns red (about 6 seconds). 2. Release the Restore Factory Settings button and wait for the router to reboot.The Power LED will blink red three times and then will turn green when the default config...

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