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90 Part II: Making Plans Figure 4-4: Go for a wireless gateway that combines AP, DHCP, NAT, print server, and switched hub functions in one unit. Figure 4-5: A wired home network with an AP and wireless stations added. the network design of a typical wired home network with an AP and wireless stations added. Each PC in the wired network is connected to the cable or DSL router, which is also a switch. By connecting the AP to the router, the AP acts as a bridge between the wireless network segment and the existing wired network. Wireless PCs Internet Wireless PCs AP Cable/DSL modem Wireless Internet gateway & print server Printer Wired PC Wired PC Cable/DSL router Wired PC Printer Wired network Cable/DSL modem Printer Internet Wired PC
Budgeting for Your Wireless Network Assuming that you already own at least one computer (and probably more) and one or more printers that you intend to add to the network, we don’t include the cost of computers and printers in this section. In addition, the cost of subscribing to an ISP isn’t included in the following networking cost estimates. Wireless networking hardware — essentially APs and wireless network adapters — is available at a wide range of prices. With a little planning, you won’t be tempted to bite on the first product you see. You can use the following guidelines when budgeting for an AP and wireless network adapters. Keep in mind, however, that the prices for this equipment will certainly change over time, perhaps rapidly. Don’t use this information as a substitute for due diligence and market research on your part. Pricing access points Chapter 4: Planning a Wireless Home Network At the time this chapter was written, wireless access points for home use ranged in price from about $35 (street price) to around $100. Street price is the price at which you can purchase the product from a retail outlet, such as a computer-electronics retail store or an online retailer. The dreaded suggested retail price is often higher. Multifunction access points that facilitate connecting multiple computers to the Internet — wireless Internet gateways if they contain modem functionality and wireless gateways or routers if they don’t — range in price from about $50 to $150. You need to budget roughly $60 for an 802.11g AP and about $160 for an 802.11n AP. If you have some older wireless equipment that you still want to use, you can find a combination a/b/g/n AP for about $350. Keep in mind that these combination APs, while great for leveraging your existing equipment, force your entire network to work at the slowest device speed on that network. (Frankly, if you still have any a or b equipment, it’s time to retire it and just plan on purchasing new n equipment. It’s more than worth it for the increased range and speed your wireless network will gain.) The differences in price between the cheapest APs and the more expensive models generally correspond to differences in features. For example, APs that support multiple wireless standards are more expensive than similar APs that support only one standard. Similarly, an AP that is also a cable or DSL router costs more than an AP from the same manufacturer that doesn’t include the router feature. 91
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Wireless Home Networking FOR DUMmIE
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About the Authors Danny Briere foun
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We also can’t forget folks who ha
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Contents at a Glance Introduction .
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SPORTS, FITNESS, PARENTING, RELIGIO
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