The Wireless Networking Starter Kit, Second Edition
Total Page:16
File Type:pdf, Size:1020Kb
TheWireless Starter Kit Second Edition The practical guide to Wi-Fi networks for Windows2 and Macintosh By Adam Engst and Glenn Fleishman Peachpit Press Index 64-bit WEP standard, 299 Linksys BEFW11S4 gateway, 802.15.1-2002 standard, 36 195–201 # 802.3 standard, 444 long-range connections, 397 104-bit WEP, 298, 299 802.15 standard, 36. See also Blue- overview, 10, 12–13 128-bit WEP, 299 tooth packet overhead, 12 10Base-2 cable, 445 802.15.4 standard, 36 throughput, 10, 12 10Base-5 cable, 444 802.16 standard, 46–47 Wi-Fi certification, 11 10Base-T cable, 445–446 802.11 standards, history of wire- wireless gateway support, 178–179 100Base-T cable, 446, 448 less networking, 9–10 802.11d standard, 44, 46 1000Base-T cable, 448–449 802.16 (WiMax), 46–47 802.11e standard, 43, 44 1xRTT (Radio Transmission 802.11 Wireless Networks: The 802.11f standard, 44 Technology), 2.5G networks, 41 Definitive Guide, xxi 802.11g standard and networks 2.4 GHz band 802.15.3a standard, 36, 53 channels, 18 802.11b standard, 12 802.11a standard and networks compatibility among standards, 10, Bluetooth, 35–38 channels, 14 15, 17–18, 178–179 Fresnel zone, 431 compatibility among standards, 10, determining need for, 178–179 and solid objects, 5 15, 178–179 frame bursting technology, 16–17 troubleshooting interference, 274 cost of equipment, 15 history of wireless networking, 9, unlicensed frequencies, 4 determining need for, 178–179 ixx Wireless MAN (Wireless FCC regulations, 430 interference, avoiding and trouble- Metropolitan Area Networking) history of wireless networking, 9, shooting, 274 standards, 47 ixx Linksys WRT54G gateway, 2.5G cell networks, 40–41 overview, 10, 13–15 201–204 21st Century Airships, 55 throughput, 10, 14 long-range connections, 397 3G cell networks, 39–40 Wi-Fi certification, 11 overview, 10, 15–18 40-bit WEP, 298, 299 wireless gateway support, 178–179 signal reflection handling, 18 4G cell networks, 40 802.11b Driver for OS X throughput, 10, 15, 16, 17 56-bit WEP, 299 (IOXperts), 96 Wi-Fi certification, 11 5 GHz band 802.11b standard and networks wireless gateway support, 178–179 802.11a standard, 14, 430 AirPort troubleshooting guide, 802.11h standard, 44, 46 FCC regulations, 430 156, 272 802.11i standard, 44, 45, 300, Fresnel zone, 431 channels, 12–13 301–302 and solid objects, 5 compatibility among standards, 10, 802.11j standard, 44, 46 unlicensed frequencies, 4 178–179 802.11k standard, 44 Wireless MAN (Wireless determining need for, 178–179 802.11l standard, 44 Metropolitan Area Networking) history of wireless networking, 9, 802.11m standard, 44, 46 standards, 47 xviii–ixx 802.11n standard, 44, 45 506 The Wireless Networking Starter Kit 802.1X authentication software (See software access MAC (See MAC addresses) advanced Windows connections, points) Web sites (See URLs) 66–67 SpeedStream Powerline Wireless advanced connections, configuring available software, 270 Access Point, 452 Palm OS connections, 106–108 overview, 267–268 SSIDs, 175–176, 216 Windows Mobile 2003 connec- roles, 267–268 troubleshooting blocked reception, tions, 112–114 troubleshooting network connec- 273, 275–276 Windows XP connections, 66–67 tivity, 162, 277 troubleshooting need for frequent Advanced Technologies Group, 55 WEP or WPA encryption, 269 resets, 277, 279 Aegis Server, 270 Windows Mobile 2003 handhelds, troubleshooting network connec- Aerosol, 303 112 tivity, 157, 276, 277, 279 AeroVironment, 54 802.1X/EAP, wireless gateway troubleshooting signal strength, AES (Advanced Encryption support, 188 272–274 System), 45 troubleshooting WDS, 282 900 MHz band, 4, 274 aggregators. See also resellers; troubleshooting wired-to-wireless WISPs connections, 279 airport wireless access, 350–351 VPN support, built in, 188 AT&T Wireless, 349, 370 A vs. wireless gateways, 177, 178 AAUI transceivers, 454–455 Boingo Wireless, 322, 343, WEP and WPA encryption 346–348, 352, 358–363 access accounts, commercial support, 187 networks, 379 GRIC Communications, 349, 368 Wireless Distribution System, 191 hot spot networks, 41–42 access liability, 288–289. See also wireless gateways (See wireless hot spot services, creating, 347 security of networks gateways) iPass, 348, 363–368 access points. See also bridges; wireless hardware overview, 20 OSS (operations support systems), gateways; hubs account access information as bridges, 21, 22 347 access accounts, commercial overview, 346 bridging wireless networks (See networks, 379 Verizon Wireless, 349, 370 bridges) Boingo Wireless accounts, 363 wireless ISPs, 342–346 client associations, 20, 26 security considerations, 291 AirBoard, Sony, 231–232 connecting with wireless networks, activePDF Composer, 154 26 airborne wireless broadband, ad hoc networks gateways (See wireless gateways) 54–56 Bluetooth, 35–38 as gateways, 22 AirCard 555, 375–377 at conference hotels, 341 inter-access point communication Airpanel Smart Displays, ViewS- creating in Mac OS 8.6 or 9.x, (802.11f standard), 44 onic, 232 139–140 Internet sharing, 22 Airpath hot spot networks, 41 creating in Mac OS X, 141 locating with stumbler programs, Airpath Wireless, 344 creating in Windows XP, 138–139 303–306, 387–388 airplanes infrared networks, 4–5 mesh networking capabilities, 51 airborne wireless broadband, 54–56 IP addresses, 18 multiple access points, 175–176 in-air wireless access, 337, 354–355 overview, 17, 137–138 naming, 175–176 AirPort. See also 802.11b standard software access points, simulating in network diagrams, 169 and networks in Windows XP, 241–243 overview, 20 ad hoc networks, 139–140, 141 troubleshooting Internet connec- AirPort Base Station (See AirPort planning wireless networks, 174, tions, 280–281 175–176 Base Station) troubleshooting long-range AirPort Extreme Base Station (See protecting systems (See security of connections, 405 computer systems) AirPort Extreme Base Station) adapters. See network adapters; AirPort troubleshooting guide, as repeaters, 22 wireless network adapters security features, 22 156, 272 Address Resolution Protocol AirPort Weblog, xx simultaneous users, number (ARP), 455–456 built-in antennas, 30 supported, 192 addresses connecting to Base Stations IP (See IP addresses) without AirPort cards, 215 Index 507 connecting to networks, 89–91, Java-based configuration program, FCC regulations, 33, 179, 256–257 93–94 204 gain (See gain of antennas) history of wireless networking, 9 secure network setup, 208–209 gain, calculating (See gain, calcu- intermediate AirPort connections, simple network setup, 205–208 lating) 91–96 USB printer sharing, 225 health concerns, electromagnetic manual network configuration, WEP encryption settings, 208–209 radiation, 408 475–478 AirPort troubleshooting guide, home-built antennas, 414 network options, 94–95 156, 272 indoor antennas, overview, OS 8.6 or 9.x configuration, 89–90, AirPort Weblog, xx 255–256 92–94 airports, wireless networks in indoor installation tips, 260 OS X 10.3 configuration, 96 Denver Airport, 349 installing, 430–434 OS X configuration, 90–91, 94–96 Laptop Lanes, 351 legal and illegal antennas, 428–430 preferred adapters for Macintosh overview, 350–351 lightning suppressors, 410, 419 systems, 28–29 San Francisco International line-of-sight considerations, preferred adapters (table), 24 Airport, 337 430–431 proprietary internal connectors, 27 AirSnort utility, 308 location and weather consider- simple AirPort connections, 89–90 allowable power output/gain ations, 423, 425, 433 Software Base Station, configuring, combinations, 428–429 long-range antennas, 400, 403, 238–240 Aloha Networks, 56 408–414 troubleshooting guide, 156, 272 America Online (AOL), 192–193, long-range wireless connections, 33 WEP and WPA keys, entering, 214 for Mini PCI cards, 30 91–96 amplifiers, 407, 418–419 minimizing cable length, 431–432 AirPort Admin Utility, 204–215, Amsterdam, Wi-Fi access in, 351 mounting, 410 282 Angel Technologies, 54 omnidirectional antennas, 258, 410 AirPort Base Station Anonymizer.com, 317 overview, 32 adding external antenna, 34, 256 antenna jacks, 34, 179–180, 256 panel antennas, 258–259, 411–412 AirPort Admin Utility, 204–215, antennas parabolic antennas, 409, 412 282 adding to AirPort Base Stations, patch antennas, 258–259, 411–412 AirPort troubleshooting guide, 34, 256 pigtails, 415–416 156, 272 for AirPort and AirPort Extreme “Pringles can” antennas, 414 connecting to Base Stations cards, 30 radiation patterns, 409 without AirPort cards, 215 allowable power output/gain ruggedized enclosures, 434 troubleshooting need for frequent combinations, 428–429 sector antennas, 411 resets, 277 amplifiers vs. antennas, 407 signal loss in antenna cable, 416, AirPort Extreme antenna cable, 415, 416–417, 421–422, 431–432 built-in antennas, 30 421–422 in Titanium PowerBook G4, 163 preferred adapters for Macintosh antenna jacks in wireless gateways, troubleshooting signal strength, systems, 28–29 34, 179–180, 256 162–163 preferred adapters (table), 24 built into wireless network vendors, locating, 407 printer sharing, 154 adapters, 257 wireless hardware overview, 20 proprietary internal connectors, 27 cable connectors, 417 yagi antennas, 412 AirPort Extreme Admin Utility for cable length, 260, 431–432 Antheil, George, 7 Windows, 204 compatibility with networking anti-virus software, 327–328 AirPort Extreme Base Station hardware, 33, 34, 179, 256–257 AOL (America Online), 192–193, adding external antenna, 34 connecting to networking devices, 214 AirPort Extreme Admin Utility for 33–34 APOP (Authenticated POP), Windows, 204 dipole antennas, 259–260, 413 310–311 America Online connections, distance between, effect on signal Apple AirPort Weblog, xx sharing, 192–193, 214 strength, 423–424 Apple Attachment Unit Interface connecting to Base Stations enhancing signals within buildings, (AAUI) transceivers, 454–455 without AirPort cards, 215 33 Apple Stores, Wi-Fi access, 340 DHCP service, 213, 214 extending existing networks, 403 508 The Wireless Networking Starter Kit Apple System Profiler, 487 SMTP AUTH, 311, 381–382 pairing under Mac OS X, 122–125 Apple Wireless Mouse setup, WEP (See WEP authentication pairing under Windows XP, 132–135 and encryption) 117–121 AppleTalk, 184 WPA (See WPA authentication Palm synchronization example, APs.