If you cannot connect after several minutes, you might be using an incorrect service name, user name, or
password. Or your ISP might not be able to provide an Internet connection. For more information, see one
of the following sections:
•
Specify an ADSL Connection With a Login and PPPoA or PPPoE Service
on page 34
•
Specify a VDSL Connection With a Login and PPPoE Service
Unless you connect manually, the modem does not authenticate using PPPoE or
PPPoA until data is transmitted to the network.
Note
Troubleshoot Internet Browsing
If your modem can obtain an IP address but your computer is unable to load any web pages from the Internet,
it might be for one of the following reasons:
•
Your computer might 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 provides the addresses of one or two DNS servers for your
use. If you entered a DNS address when you set up the modem, reboot your computer and verify the
DNS address. Alternatively, you can configure your computer manually with DNS addresses, as explained
in your operating system documentation.
•
The modem might not be configured as the TCP/IP router on your computer.
For information about TCP/IP problems, see
Troubleshoot Your Network Using the Ping Utility
on page
101.
If your computer obtains its information from the modem by DHCP, reboot the computer and verify the
modem address.
Changes Are Not Saved
If the modem does not save the changes that you make on a modem web page, do the following:
•
When entering configuration settings, always click the Apply button before moving to another page or
tab or your changes are lost.
•
Click the Refresh or Reload button in the web browser. It is possible that the changes occurred but
that the old settings remain in the web browser’s cache.
Troubleshoot Your Network Using the Ping Utility
Most network 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. You can easily troubleshoot a network using the ping
utility in your computer or workstation.
Test the LAN Path to Your Modem
You can ping the modem from your computer to verify that the LAN path to your modem is set up correctly.
Troubleshooting
101
Broadband High-Speed DSL Modem Model DM200
