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Icons Used in This Book .................................................................................3
Where to Go from Here ...................................................................................4


Part I: Wireless Networking Fundamentals .....................5
Chapter 1: Introducing Wireless Home Networking . . . . . . . . . . . . . . .7
Nothing but Net(work): Why You Need (Or Want) One .............................8
File sharing .............................................................................................8
Printer and peripheral sharing ............................................................9
Internet connection sharing ...............................................................10
Home arcades and wireless to go ......................................................12
Wired versus Wireless ..................................................................................13
Installing wired home networks ........................................................13
Installing wireless home networks ....................................................15
Picking a Wireless Standard .........................................................................16
Planning Your Wireless Home Network ......................................................19
Choosing Wireless Networking Equipment ...............................................20

Chapter 2: From a to g and b-yond . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Networking Buzzwords That You Need to Know ......................................26
Workstations and servers ..................................................................26
Network infrastructure .......................................................................28
Network interface adapters ...............................................................31
Get the (Access) Point? ................................................................................35
Your Wireless Network™s Power Station ” the Antenna ..........................38
Industry Standards .......................................................................................40

Chapter 3: Bluetooth, HPNA, and HomePlug . . . . . . . . . . . . . . . . . . . . .47
Who or What Is Bluetooth? ..........................................................................48
Wi-Fi versus Bluetooth .................................................................................49
Piconets, Masters, and Slaves .....................................................................50
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Integrating Bluetooth in Your Wireless Network ......................................53
Wirelessly synching your PDAs .........................................................54
Wireless printing and data transfer ..................................................56
Integrating HPNA and HomePlug with Your Wireless
Home Network ...........................................................................................57
Home Phoning (ET Got It Backward!) .........................................................58
Network Power(line)! ....................................................................................59


Part II: Making Plans .................................................63
Chapter 4: Planning a Wireless Home Network . . . . . . . . . . . . . . . . . .65
Deciding What Is Connected to the Network ............................................66
Counting network devices ..................................................................66
Choosing wired or wireless ................................................................67
Choosing a wireless technology ........................................................68
Choosing an access point ...................................................................69
Deciding where to install the AP .......................................................71
Adding printers ....................................................................................76
Adding entertainment and more .......................................................78
Connecting to the Internet ...........................................................................79
Budgeting for Your Wireless Network ........................................................84
Pricing access points ..........................................................................84
Pricing wireless network adapters ....................................................85
A sample budget ..................................................................................85
Planning Security ..........................................................................................86

Chapter 5: Choosing Wireless Home Networking Equipment . . . . . .87
Selecting Access Points ................................................................................87
Certification and Standards Support ..........................................................88
Compatibility and Form Factor ...................................................................89
Bundled Functionality: Servers, Gateways, Routers, and Switches .......90
DHCP servers .......................................................................................91
Gateways, NAT, and cable/DSL routers .............................................91
Switches ................................................................................................93
Print servers ........................................................................................93
Operational Features ....................................................................................94
Security ...........................................................................................................95
Range and Coverage Issues .........................................................................97
Manageability ................................................................................................97
Web-based configuration ....................................................................97
Software programming .......................................................................98
Telnetting to your device ...................................................................99
Upgradeable firmware ........................................................................99
Price ..............................................................................................................100
Warranties ....................................................................................................100
Customer and Technical Support .............................................................101
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Part III: Installing a Wireless Network .......................103
Chapter 6: Installing Wireless Access Points in Windows . . . . . . .105
Before Getting Started, Get Prepared .......................................................105
Setting Up the Access Point .......................................................................107
Preparing to install a wireless AP ....................................................107
Installing the AP .................................................................................108
Configuring AP parameters ..............................................................111
Changing the AP Configuration .................................................................115

Chapter 7: Setting Up Your Windows PCs for
Wireless Networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Setting Up Wireless Network Interface Adapters ....................................117
Installing device drivers and client software .................................118
PC Cards and mini-PCI cards ............................................................120
Compact Flash cards .........................................................................122
PCI and ISA cards ...............................................................................124
USB adapters ......................................................................................125
Modifying Wireless Network Adapters .....................................................126
Synchronizing and Internet Access ..........................................................127
Wireless Zero Configuration with XP ........................................................129
Easy installation ................................................................................129
Automatic network connections ....................................................130
Tracking Your Network™s Performance ....................................................132

Chapter 8: Setting Up a Wireless Mac Network . . . . . . . . . . . . . . . .135
Apple AirPort Hardware .............................................................................135
Pick an AirPort Card, any card ........................................................136
“Come in, AirPort Base Station, over . . .” ......................................139
Apple AirPort Software Updates ...............................................................141
AirPort 2.0 software ..........................................................................141
AirPort 2.0.4 software .......................................................................142
AirPort 2.0.5 software .......................................................................142
AirPort 2.1.1 software .......................................................................143
OS 9 Wireless Networks ..............................................................................144
Installing AirPort software on Mac OS 9 .........................................145
Upgrading AirPort Base Station firmware on OS 9 ........................146
Configuring the AirPort Base Station on OS 9 ...............................148
Adding a computer to your AirPort network on OS 9 ..................151
OS X Wireless Networks .............................................................................152
Installing the AirPort software on OS X ..........................................153
Upgrading AirPort Base Station firmware on OS X .......................154
Configuring the AirPort Base Station on OS X ...............................155
Adding another computer to your AirPort network on OS X ......158
Adding a Non-Apple Computer to Your AirPort Network ......................159
Connecting to Non-Apple-Based Wireless Networks ..............................161
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Chapter 9: Setting Up Internet Sharing . . . . . . . . . . . . . . . . . . . . . . . . .163
Deciding How to Share Your Internet Connection ..................................163
Connection sharing ...........................................................................164
Routers and gateways .......................................................................164
Sharing dialup Internet connections ...............................................166
Obtaining an IP Address Automatically ...................................................167
Windows 9x ........................................................................................169
Windows 2000 ....................................................................................170
Windows XP .......................................................................................172
Mac OS ................................................................................................173
Setting Up Internet Connection Sharing ...................................................175
Windows 98 SE and Windows Me ....................................................176
Windows 2000 ....................................................................................178
Windows XP .......................................................................................180
Mac OS X v. 10.2 (Jaguar) .................................................................181

Chapter 10: Securing Your Wireless Home Network . . . . . . . . . . . . .183
Assessing the Risks .....................................................................................184
General Internet security .................................................................185
Airlink security ..................................................................................186
Introducing Wired Equivalent Privacy (WEP) .........................................187
How about a bit more about WEP? .................................................188
What™s wrong with WEP? ..................................................................189
Clamping Down on Your Wireless Home Network™s Security ................190
Getting rid of the defaults ................................................................191
Enabling WEP .....................................................................................192
Closing your network ........................................................................195
Looking into the Crystal Ball .....................................................................197
Waiting for WPA .................................................................................197
The future: 802.11i .............................................................................198


Part IV: Using a Wireless Network .............................201
Chapter 11: Putting Your Wireless Home Network To Work . . . . . .203
A Networking Review ..................................................................................204
Basic networking terminology .........................................................204
Setting up a workgroup .....................................................................205
Will You Be My Neighbor? ..........................................................................206
Sharing ” I Can Do That! ...........................................................................210
Enabling file sharing on Windows 95/98/Me ..................................211
Sharing a document or folder on Windows 95/98/Me ..................211
Enabling sharing on Windows 2000/XP ..........................................213
Setting permissions ...........................................................................214
Accessing shared files .......................................................................216
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Be Economical: Share Those Peripherals ................................................216
Setting up a print server ...................................................................216
Sharing other peripherals ................................................................221
Sharing between Macs and Windows-based PCs ....................................221

Chapter 12: Gaming over a Wireless Home Network . . . . . . . . . . . .225
PC Gaming Hardware Requirements .........................................................227
Networking Requirements for PC Gaming ...............................................228
Getting Your Gaming Console on our Wireless Home Network ............229
Console online gaming services and equipment ...........................230
Console wireless networking equipment .......................................234
Dealing with Router Configurations ..........................................................237
Getting an IP address ........................................................................238
Dealing with port forwarding ...........................................................239
Setting Up a Demilitarized Zone (DMZ) ....................................................243

Chapter 13 Networking Your Entertainment Center . . . . . . . . . . . . . .245
Wirelessly Enabling Your Home Entertainment System .........................246
Wireless Home Entertainment Gear .........................................................249
Expanding Your Home Entertainment Center
with Wireless Adapters ...........................................................................251
The Home Media Player .............................................................................255
The Home Theater PC ................................................................................257
Internet Content for Your Media Players and HTPCs .............................259

Chapter 14: Other Cool Things You Can Network . . . . . . . . . . . . . . . .261
Making a Connection to Your Car .............................................................262
Your car™s path to wireless enlightenment .....................................262
Synching your car stereo with home ..............................................264
Getting online with your own car PC ..............................................266
Picking wireless gear for your car ...................................................267
Look Ma, I™m on TV ” Video Monitoring over Wireless LANs ..............268
Controlling Your Home over Your Wireless LAN .....................................270
Using your PDA as a remote control ...............................................271
Whole home 802.11-based IR coverage ..........................................272
See me, feel me, hear me, touch me ................................................273
Sit, Ubu, Sit . . . Speak! .................................................................................275

Chapter 15: Using a Bluetooth Network . . . . . . . . . . . . . . . . . . . . . . . .277
Discovering Bluetooth Basics ....................................................................278
Bluetooth Mobile Phones ...........................................................................281
Bluetooth PDAs ...........................................................................................282
Other Bluetooth Devices ............................................................................285
Printers ...............................................................................................285
Digital cameras ..................................................................................286
Keyboards and meeses (that™s plural for mouse!) ........................287
Bluetooth adapters ...........................................................................288
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Chapter 16: Going Wireless Away from Home . . . . . . . . . . . . . . . . . .291
Discovering Public Hot Spots ....................................................................292
Freenets and open access points ....................................................294
For-pay services ................................................................................295
Using T-Mobile Hot Spots ...........................................................................298
Using Wayport Hot Spots ...........................................................................299
Using Boingo Hot Spots ..............................................................................299
Tools for Finding Hot Spots .......................................................................300
Netstumbler.com ...............................................................................301
Boingo .................................................................................................302


Part V: The Part of Tens ............................................303
Chapter 17: Ten FAQs about Wireless Home Networks . . . . . . . . . .305

Chapter 18: Ten Ways to Troubleshoot Wireless LAN
Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .313
Check the Obvious ......................................................................................314
Move the Access Point ...............................................................................315
Move the Antenna(s) ..................................................................................316
Change Channels .........................................................................................316
Check for Dual-Band Interference .............................................................317
Check for New Obstacles ...........................................................................317
Install Another Antenna .............................................................................318
Add a Signal Booster ...................................................................................318
Add an AP .....................................................................................................320
Add a Repeater or Bridge ...........................................................................322
Check Your Cordless Phone Frequencies ................................................323

Chapter 19: More Than Ten Devices You™ll Connect
to Your Wireless Network in the Future . . . . . . . . . . . . . . . . . . . . . . . .325
Your Bath ......................................................................................................326
Your Car ........................................................................................................326
Your Exercise Gear ......................................................................................328
Your Home Appliances ...............................................................................329
Your Musical Instruments ..........................................................................330
Your Pets ......................................................................................................331
Your Phones .................................................................................................331
Your Robots .................................................................................................332
Your Wearing Apparel .................................................................................334

Chapter 20: Top Ten Sources for More Information . . . . . . . . . . . . . .337
CNET.com .....................................................................................................338
802.11 Planet ................................................................................................338

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