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Appendix A: Troubleshooting
Common Problems and Solutions
10/100 16-Port VPN Router
For Windows 2000:
1. Click Start, Settings, and Control Panel. Double-click Network and Dial-Up Connections.
2. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using,
and select the Properties option.
3. In the Components checked are used by this connection box, highlight Internet Protocol (TCP/IP),
and click the Properties button. Make sure that Obtain an IP address automatically and Obtain
DNS server address automatically are selected.
4. Click the OK button in the Internet Protocol (TCP/IP) Properties window, and click the OK button in the
Local Area Connection Properties window.
5. Restart the computer if asked.
6. Click the OK button in the Internet Protocol (TCP/IP) Properties window, and click the OK button in the
Local Area Connection Properties window.
7. Restart the computer if asked.
For Windows XP:
The following instructions assume you are running Windows XP with the default interface. If you are using the
Classic interface (where the icons and menus look like previous Windows versions), please follow the
instructions for Windows 2000.
1. Click Start and Control Panel.
2. Click the Network and Internet Connections icon and then the Network Connections icon.
3. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using,
and select the Properties option.
4. In the This connection uses the following items box, highlight Internet Protocol (TCP/IP), and click
the Properties button. Make sure that Obtain an IP address automatically and Obtain DNS server
address automatically are selected.
B. Open a command prompt.
• For Windows 98 and Millennium, click Start and Run. In the Open field, type command. Press the
Enter key or click the OK button.
• For Windows 2000 and XP, click Start and Run. In the Open field, type cmd. Press the Enter key or
click the OK button.
C. In the command prompt, type ping 192.168.1.1 and press the Enter key.
• If you get a reply, the computer is communicating with the Router.
• If you do NOT get a reply, check the cable, and make sure Obtain an IP address automatically is
selected in the TCP/IP settings for your Ethernet adapter.