Linksys WRT51AB Network Router User Manual


 
Dual-Band Wireless A+B Broadband Router
69
Instant Wireless
®
Series
68
B. Open a command prompt.
• For Windows 98 and Me, please click Start and Run. In the Open field,
type in command. Press the Enter key or click the OK button.
• For Windows NT, 2000, and XP, please 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, please check the cable, and make sure Obtain
an IP address automatically is selected in the TCP/IP settings for your
Ethernet adapter.
D. In the command prompt, type ping followed by your Internet or WAN IP
address and press the Enter key. The Internet or WAN IP Address can be
found on the Status screen of the Router’s web-based utility. For example,
if your Internet or WAN IP address is 1.2.3.4, you would enter ping 1.2.3.4
and press the Enter key.
• If you get a reply, the computer is connected to the Router.
• If you do NOT get a reply, try the ping command from a different com-
puter to verify that your original computer is not the cause of the problem.
E. In the command prompt, type ping www.yahoo.com and press the Enter
key.
• If you get a reply, the computer is connected to the Internet. If you can-
not open a webpage, try the ping command from a different computer to
verify that your original computer is not the cause of the problem.
• If you do NOT get a reply, there may be a problem with the connection.
Try the ping command from a different computer to verify that your orig-
inal computer is not the cause of the problem.
3. I am not getting an IP address on the Internet with my Internet connection.
A. Refer to “Problem #2, I want to test my Internet connection” to verify that
you have connectivity.
B. If you need to register the MAC address of your Ethernet adapter with your
ISP, please see “Appendix D: Finding the MAC address and IP Address for
Your Ethernet Adapter.” If you need to clone the MAC address of your
Ethernet adapter onto the Router, see the MAC Address Clone section of
“Chapter 6: The Router’s Web-based Utility” for details.
C. Make sure you are using the right Internet connection settings. Contact your
ISP to see if your Internet connection type is DHCP, Static IP Address, or
PPPoE (commonly used by DSL consumers). Please refer to the Setup sec-
tion of “Chapter 6: The Router’s Web-based Utility” for details on Internet
connection settings.
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.
A. Click Start and Control Panel.
B. Click the Network and Internet Connections icon and then the Network
Connections icon.
C. Right-click the Local Area Connection that is associated with the Ethernet
adapter you are using, and select the Properties option.
D. In the This connection uses the following items box, highlight Internet
Protocol (TCP/IP). Click the Properties button.
E. Enter a unique IP address that is not used by any other computer on the net-
work connected to the Router. You can only use an IP address in the ranges
192.168.1.2 to 192.168.1.99 and 192.168.1.151 to 192.168.1.254.
F. Enter the Subnet Mask, 255.255.255.0.
G. Enter the Default Gateway, 192.168.1.1 (Router’s default IP address).
H. Toward the bottom of the window, select Use the following DNS server
addresses, and enter the Preferred DNS server and Alternative DNS
server (provided by your ISP). Contact your ISP or go on its website to find
the information.
I. Click the OK button in the Internet Protocol (TCP/IP) Properties window.
Click the OK button in the Local Area Connection Properties window.
2. I want to test my Internet connection.
A. Check your TCP/IP settings.
For Windows 98, Me, 2000, and XP:
Refer to “Chapter 4: Configure the PCs” for details. Make sure Obtain IP
address automatically is selected in the settings.
For Windows NT 4.0:
• Click Start, Settings, and Control Panel. Double-click the Network
icon.
• Click the Protocol tab, and double-click on TCP/IP Protocol.
• When the window appears, make sure you have selected the correct
Adapter for your Ethernet adapter and set it for Obtain an IP address
from a DHCP server.
• Click the OK button in the TCP/IP Protocol Properties window, and
click the Close button in the Network window.
• Restart the computer if asked.