Chapter 5: Troubleshooting
Setting a static IP address
Typically, the computers on your network are set to obtain an IP address dynamically (using the DHCP server function of the router) whenever they contact your local network. However, in certain cases, such as DMZ hosting or port forwarding, you have to assign a static IP address to a computer so that its address remains constant and it can be contacted at the same address over time.
To set a static IP address using Windows XP:
1 Click Start, then click Control Panel. If your Control Panel is in Category View, click Network and Internet Connections.
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4 In the This connection uses the following items list, click Internet Protocol (TCP/IP), then click Properties.
5 In the IP Address field, type a unique IP address that will not be used by any other computer on your network. You can use IP addresses between 192.168.1.2 and 192.168.1.99 (IP address 192.168.1.1 is assigned to the router and the router’s DHCP server assigns addresses from 192.168.1.100 up to 192.168.1.254).
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8 At the bottom of the window, click Use the following DNS server addresses, then type the Preferred DNS Server and Alternative DNS Server (contact your ISP if you do not have this information).
9 Click OK to close the Internet Protocol (TCP/IP) Properties window, then OK again to close the Local Area Connection Properties window.
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