If you often need to bring your http://www.aliyun.com/zixun/aggregation/9600.html "> laptop" from your office to your home or to your customer's office, you won't be able to avoid the problem of changing IP settings frequently. and a static IP address for each computer in a local area network, the vast majority of networks now provide dynamic IP address services based on Dynamic Host Configuration Protocol (DHCP). But some mobile people often move back and forth between DHCP and non-DHCP networks, while the "Standby settings" of TCP/IP in Windows XP can help you simply switch between networks.
Right-click on Network Connections, select Properties, then select Internet Protocol (TCP/IP), and then click the Properties button.
In the Properties dialog box that pops up, select automatically get IP address and get DNS server address automatically (as shown in Figure 1).
Figure 1 Automatically obtain an IP address
Then click on the "Standby Settings" tab and enter the fixed IP address and DNS server address information for the non-DHCP network in the page shown in Figure 2.
Figure 2 Entering an alternate configuration
With the above settings, your computer has been able to smoothly move freely between the two networks.