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Appendix A: Troubleshooting
Frequently Asked Questions
ADSL Gateway with 4-Port Switch
16.The Power LED flashes continuously.
The Power LED lights up when the device is first powered up. In the meantime, the system will boot up itself
and check for proper operation. After finishing the checking procedure, the LED remains steady to show that
the system is working fine. If the LED continues to flash after this time, the device is not working properly. Try
to flash the firmware by assigning a static IP address to the computer, and then upgrade the firmware. Try
using the following settings, IP Address: 192.168.1.50 and Subnet Mask: 255.255.255.0.
17.When I enter a URL or IP address, I get a time-out error or am prompted to retry.
• Check if other computers work. If they do, ensure that your computer’s IP settings are correct (IP Address,
Subnet Mask, Default Gateway, and DNS). Restart the computer that is having a problem.
• If the computers are configured correctly, but still not working, check the Gateway. Ensure that it is
connected and powered on. Connect to it and check its settings. (If you cannot connect to it, check the
LAN and power connections.)
• If the Gateway is configured correctly, check your Internet connection (DSL/cable modem, etc.) to see if it
is working correctly. You can remove the Gateway to verify a direct connection.
• Manually configure the TCP/IP settings with a DNS address provided by your ISP.
• Make sure that your browser is set to connect directly and that any dial-up is disabled. For Internet
Explorer, click Tools, Internet Options, and then the Connection tab. Make sure that Internet Explorer is
set to Never dial a connection. For Netscape Navigator, click Edit, Preferences, Advanced, and Proxy.
Make sure that Netscape Navigator is set to Direct connection to the Internet.
Frequently Asked Questions
What is the maximum number of IP addresses that the Gateway will support?
The Gateway will support up to 253 IP addresses.
Is IPSec Passthrough supported by the Gateway?
Yes, it is a built-in feature that is enabed by default.
Where is the Gateway installed on the network?
In a typical environment, the Gateway is installed between the ADSL wall jack and the LAN.
Does the Gateway support IPX or AppleTalk?
No. TCP/IP is the only protocol standard for the Internet and has become the global standard for communications.
IPX, a NetWare communications protocol used only to route messages from one node to another, and AppleTalk,
a communications protocol used on Apple and Macintosh networks, can be used for LAN to LAN connections, but
those protocols cannot connect from the Internet to a LAN.