Rather, it??™s a name you can enter by clicking
the Customize link in the Network and Sharing center, used
to make it easy to switch between public and private networks.
See Chapter 8 for details.
Also important is the Connectivity column, which shows exactly what each
adapter is providing (e.g., Access to Local and Internet).
But the main reason to use this window is to change TCP/IP settings. Rightclick
the connection you??™re using and select Properties. Then, select Internet
Protocol Version 4 (TCP/IPv4) from the list and click the Properties
button to open the Properties window shown in Figure 7-18.
In most cases, selecting the Obtain an IPaddress automatically and Obtain
DNS server address automatically options will suffice. This works because
your router, if you have one, automatically assigns a unique IP address to
each new PC it sees using Dynamic Host Configuration Protocol (DHCP).
But sometimes DHCP doesn??™t cooperate as well as it should; either a PC is
given the wrong IP address or no address at all. Or, for a variety of reasons
(such as enabling remote control, discussed later in this chapter), you need a
PC to always have the same IP address. To do this, you need to pull your PC
out of the DHCP arena and assign it a static (nonchanging) IP address:
1. If you have a router, open its configuration page in a web browser (usually
http://192.168.1.1 or http://192.168.0.1), and navigate to the DHCP
client table. This shows all the PCs connected to your network (both
wired and wireless) controlled by DHCP, along with their dynamically
assigned IP addresses.
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