Benutzeranleitung / Produktwartung AirPort Networks des Produzenten Apple
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Ap ple AirP or t Netw orks.
2 1 C on ten ts Chapter 1 3 Getting Star ted 5 Configuring an Apple Wireless Device f or Internet Acc ess Using AirP or t Utility 6 Extending the Range of Y our AirPort Network 6 Sharing a USB Hard Di.
1 3 1 Getting Star ted AirP or t offers the easiest wa y to pro vide wireless In ternet access and netw ork ing anywhere in the home, classroom, or office . AirP or t is based on the latest Institute of Electrical and Elec tronics Engineers (IEEE) 802.
4 Chapter 1 Getting Started Note: When the features discussed in this documen t apply to the AirP or t Extreme Base Station, AirPort Express, and Time Capsule , the devices are ref erred to collectively as Apple wireless device s.
Chapter 1 Getting Started 5 Y ou can set up an Apple wireless device and connect to the Internet wir elessly in minutes. But because Apple wireless devices ar e flexible and powerful networking products, you can also create an AirP or t network that does much more.
6 Chapter 1 Getting Started Set up your Apple wireless devic e manually using AirP or t Utilit y when: Â Y ou want to provide Internet acc ess to computers that c onnect to the wireless device using .
Chapter 1 Getting Started 7 Y ou can share your Internet connection as long as your comput er is connected to the Internet. If your computer goes t o sleep or is restarted, or if you lose your In ternet connection, you need to restart Internet sharing.
8 Chapter 1 Getting Started T o star t Internet sharing on a computer using Windows: 1 Open Contr ol P anel from the Star t menu, and then click “Network and Internet.” 2 Click “Network and Sharing Center .” 3 Click “Manage network connections” in the T asks list.
2 9 2 AirP or t Securit y This chapter pr ovides an o ver view of the securit y featur es av ailable in AirP or t. Apple has designed its wirele ss devices to pro vide several levels of security , so you can enjoy peace of mind when y ou access the Int ernet, manage online financial transactions, or send and receive email.
10 Chapter 2 AirPort Security P assword Prot ection and Encr yption AirP or t uses password protection and encryption to deliver a level of security comparable to that of traditional wired netw orks. Users can be required to ent er a password to log in t o the AirP or t network.
Chapter 2 AirPort Security 11 RADIUS Suppor t The Remote Authen tication Dial-In User S er vice (RADIUS) makes securing a large network easy . RADIUS is an access control prot ocol that allows a system administrator to create a cen tral list of the user names and passwords of c omputers that can access the network.
12 Chapter 2 AirPort Security The EAP protocol known as TLS ( Trans port Layer Security) presents a user ’ s information in the form of digital certificates. A user ’ s digital cer tificates can comprise user names and passwords , smar t cards, secure IDs, or any other identity credentials that the IT administrator is comfortable using.
Chapter 2 AirPort Security 13 WP A and WP A2 Enterprise WP A is a subset of the draf t IEEE 802. 1 1i standard and effectively addresses the wireless local area network ( WLAN) securit y requirements f or the enterprise. WP A2 is a full implementation of the ratified IEEE 802.
3 14 3 AirP or t Network Designs This chapter pr ovides o ver view information and instructions for the types of AirP or t Extreme networks you can set up , and some of the advanc ed options of AirP or t Ex treme. Use this chapter to design and set up y our AirPort Extreme network.
Chapter 3 AirPort Network Designs 15 Using AirP or t Utility T o set up and configure your computer or Apple wirele ss device to use AirP or t Extreme for basic wirele ss networking and Internet access , use AirP or t Utility and answer a series of questions about your In ternet settings and how you w ould lik e to set up your network.
16 Chapter 3 AirPort Network Designs Select from the following checkboxes: Â Select “Check for Update s when opening AirP or t Utilit y ” to automatically check the Apple website f or sof tware and firmware updates each time y ou open AirP or t Utilit y .
Chapter 3 AirPort Network Designs 17 If you can ’t open the wireless device settings: 1 Make sure your network and TCP/IP settings ar e configured properly . On a computer using Mac OS X, select AirP or t from the network connection ser vices list in the Network pane of System P references .
18 Chapter 3 AirPort Network Designs 3 Choose Base Station > Manual Setup and enter the password if nece ssar y . The default device password is public . Y ou can also double-click the name of the wireless device to open its configuration in a separate window .
Chapter 3 AirPort Network Designs 19 If the wireless device reports a problem, the status icon turns yellow . Click Base Station Status to displa y the problem and suggestions to re solve it.
20 Chapter 3 AirPort Network Designs Set Device Options Click Base Station Options and set the following: Â Enter a con tact name and location for the wireless device . The name and location are included in some logs the device generates. T he contact and location fields may be helpful if you ’ve more than one wir eless device on your netw ork.
Chapter 3 AirPort Network Designs 21 Choosing the Radio Mode Choose 802. 1 1a/n - 802. 1 1b/g from the R adio Mode pop-up menu if computers with 802. 1 1a, 802. 1 1n, 802. 1 1g, or 802. 1 1b wireless cards will join the network. Each client computer will connect to the network and transmit netw ork traffic at the highest possible speed .
22 Chapter 3 AirPort Network Designs  WP A/WP A2 P ersonal: Choose this option to protect your network with Wi-Fi Pr otected Access . Y ou can use a password between 8 and 63 ASCII characters or a Pre-Shar ed Key of exactly 64 hexadecimal charac ters.
Chapter 3 AirPort Network Designs 23 Setting Additional Wireless Options Use the Wireless Options pane to set the following: Â 5 GHz network name: Pr ovide a name for the 5 GHz segmen t of the dual-band network if you wan t it to hav e a differen t name than the 2.
24 Chapter 3 AirPort Network Designs Setting up a Guest Network Click Guest Network and then ent er the network name and other options for the gue st network.
Chapter 3 AirPort Network Designs 25 What It Looks Like How It Works  The Apple wirele ss device (in this example, a Time C apsule) connects to the Internet through its Internet W AN ( < ) connection to your DSL or cable modem.
26 Chapter 3 AirPort Network Designs What to D o If you ’ re using AirP or t Utilit y to assist you with configuring the A pple wireless devic e for Int ernet access: 1 Open AirP or t Utilit y , located in the Utilities folder in the A pplications folder on a Mac, or in Star t > All Programs > AirP or t on a Windows c omputer .
Chapter 3 AirPort Network Designs 27 Â If you chose PPP oE, your ISP pro vides your IP addre ss automatically using DHCP . If your service provider asks you for the MA C address of your wir eless device , use the address of the Ethernet W AN por t ( < ), printed on the label on the bottom of the device.
28 Chapter 3 AirPort Network Designs If you configure T CP/IP using DHCP , choose U sing DHCP from the Configur e IPv4 pop-up menu. Y our IP information is provided a utomatically by your ISP using DHCP . 5 If you chose PPP oE from the Connect Using pop-up menu, enter the PPP oE settings your service provider gave y ou.
Chapter 3 AirPort Network Designs 29 If you ’ re connecting to the Internet through a router that uses PPP oE to connect to the Internet, and your wireless device is connected to the router via E thernet, you do not need to use PPP oE on your device.
30 Chapter 3 AirPort Network Designs  Enter Domain Name System (DNS) server addresses and a s p ecific domain name your wireless device acce sses when you connect to the Int ernet. 7 Click the Network button and configur e how the device will share its Int ernet access with AirP or t and Ethernet computers.
Chapter 3 AirPort Network Designs 31 Â If you don ’t want your wireless device t o share its IP address , choose “Off (Bridge Mode).” If you set up your device in bridge mode, AirPort computers have acc ess to all ser vices on the Ethernet netw ork, and the device does not provide Internet sharing ser vices.
32 Chapter 3 AirPort Network Designs  T o provide specific IP addresses t o specific computers on y our wireless network, click the Add (+) button below the DHCP Re servations list, and follow the onscreen instructions to name the reservation and reserve the address by MA C address or DHCP client ID .
Chapter 3 AirPort Network Designs 33 Y ou can also set up por t mapping. T o ensure that requests are properly routed t o your web , AppleShare , or FTP server , or a specific computer on your network.
34 Chapter 3 AirPort Network Designs Next, choose DHCP from the Configure IPv4 pop-up menu. b If you enabled a DHCP server when you set up the wireless device ’ s network, and the client computer is using E thernet, select Ethernet in the network connection ser vices list, and then choose Using DHCP from the Configure pop-up menu .
Chapter 3 AirPort Network Designs 35 c If you selected “Distribute a range of IP addresses” when you set up the wireless device ’ s network, you can provide Internet acce ss to client computers using Ethernet by setting the client IP addr esses manually .
36 Chapter 3 AirPort Network Designs 5 Click Internet P rotocol V ersion 4 ( T CP/IPv4), and then click Properties. Â If you chose “Share a public IP address” in the Network pane of AirP ort Utilit y , select “Obtain an IP address a utomatically .
Chapter 3 AirPort Network Designs 37 Y ou’ re Using an Existing Ethernet Network Y ou can use AirPort Utility to easily set up the Apple wireless device for In ternet access through an existing Ethernet network that alr eady has a router , switch, or other network device pro viding IP addresses .
38 Chapter 3 AirPort Network Designs What to D o If you ’ re using AirP or t Utilit y to help you set up an Ap ple wireless device on an existing Ethernet network: 1 Open AirP or t Utilit y , located in the Utilities folder in the A pplications folder on a Mac, or in Star t > All Programs > AirP or t on a Windows c omputer .
Chapter 3 AirPort Network Designs 39 If your IP address is pro vided by DHCP , choose Using DHCP from the Configure IPv4 pop-up menu. 5 Choose Off (Bridge Mode) from the Connection Sharing pop-up menu. Y our wireless device “bridges” the Ethernet networks Int ernet connection to computers connected to the device wirelessly or by E thernet.
40 Chapter 3 AirPort Network Designs Connecting Additional Devic es to Y our AirP or t Ex treme Network Connect a USB printer to the USB port of your Apple wirele ss device (in this example, a Time Capsule) and ever yone on the network can print t o it.
Chapter 3 AirPort Network Designs 41 Using Apple T V on Y our AirPort Extreme Network to Play C ontent from iT unes When you connect Apple T V to your AirP or t Extreme network wirelessly , or using E.
42 Chapter 3 AirPort Network Designs Setting Up Roaming Several AirP or t Ex treme Base Stations or Time Capsules can be set up to create a single wireless network. Client computers using AirP or t can move from device to device with no interruption in service (a process known as roaming ).
Chapter 3 AirPort Network Designs 43 Extending the Range of an 802. 1 1n Netw ork Extending the range of an 802. 1 1n network is simpler if you’ re connecting another 802. 1 1n device. Connecting two Apple 802. 1 1n wireless devices makes the WDS setup process more straightf or ward.
44 Chapter 3 AirPort Network Designs 8 Click Update to update the device with new netw ork settings. Con trolling the R ange of Y our AirP or t Network Y ou can also shor ten the range of your AirP or t network. This might be useful if you want to con trol who has access to the netw ork by restricting the range to a single room, for example.
Chapter 3 AirPort Network Designs 45 Keeping Y our Network Secure Y our network is protected by the password y ou assign to it. However , you can take additional steps to help keep your network secur e. Networks managed by Simple Netw ork Management Pr otocol (SNMP) may be vulnerable to denial-of-service attacks.
46 Chapter 3 AirPort Network Designs P ersonal mode is for the home or small office network and can be set up and managed by most users. P ersonal mode does not require a separate authentication ser ver . Netw ork users usually only need to enter a user name and passw ord to join the network.
Chapter 3 AirPort Network Designs 47 Setting Up Access C ontrol Access c ontrol lets you s p ecify which computers can send or receiv e information through the wireless device t o the wired network. Each wireless-enabled computer has a unique MA C address.
48 Chapter 3 AirPort Network Designs  If you choose RADIUS, enter the type of RADIUS ser vice, the RADIUS IP addresses, shared secret, and primary por t for the primar y RADIUS ser ver . Enter the inf ormation for the secondary RADIUS ser ver if there is one.
Chapter 3 AirPort Network Designs 49 5 Enter the IP addre ss, por t, and shared secret (or password) for the primary and secondary ser vers. See the RADIUS documentation that came with your server , or check with the network administrator for more inf ormation on setting up the RADIUS ser ver .
50 Chapter 3 AirPort Network Designs If you ’ re using a web , AppleShare, or FTP ser ver on your AirP or t Extreme network, other computers initiate communication with y our server .
Chapter 3 AirPort Network Designs 51 T ype any additional information you need in the text fields. T o use por t mapping, you must configure TCP/IP manually on the computer that is running the web , AppleShare , or FTP ser ver .
52 Chapter 3 AirPort Network Designs 3 Enter the IP addre ss of the computer that will receiv e the logs in the Syslog Destination Address field . 4 Choose a level from the Syslog L evel pop-up menu.
Chapter 3 AirPort Network Designs 53 Setting up IPv6 IPv6 is a new version of Internet P rotocol (IP). IPv6 is currently used primarily by some research institutions . Most computers do not need to set up or use IPv6. The primary advantage of IPv6 is that it increases the addre ss size from 3 2 bits (the current IPv4 standard) t o 1 28 bits.
54 Chapter 3 AirPort Network Designs Sharing and Securing USB Hard Disks on Y our Network If you connect a USB hard disk to your AirP or t Extreme Base Station or Time Capsule , computers connected to the netw ork—both wireless and wired , Mac and Windows— can use it to back up , stor e, and share files.
Chapter 3 AirPort Network Designs 55 Using a Time Capsule in Y our Network If you ’ re using a Time Capsule and a computer with Mac OS X L eopard (v1 0.5 .2 or later), you can use Time Machine to automatically back up all of the computers on the network that are using L eopard .
56 Chapter 3 AirPort Network Designs  On a computer using Windows, install Bonjour for Windows from AirP or t Utilit y CD, and follow the onscreen instructions to connect to the prin ter . Y ou can change the name of the printer from the default name to one y ou choose.
Chapter 3 AirPort Network Designs 57 Solving Pr oblems If you have tr ouble connecting to the Internet with an y AirP or t Ex treme network design, tr y the following: On a computer using Mac OS X: Â Make sure the wireless device is connected to the Int ernet.
58 Chapter 3 AirPort Network Designs  Make sure that the computer has joined the AirP or t network created by your wir eless device.  Restart your computer . T his renews the IP address y ou receive fr om the wireless device. The IP addresses should be in the range of 1 0.
4 59 4 Behind the Scene s This chapter define s terms and conc epts used to discuss computer netw orks. Use it as a ref erence to help y ou understand what is taking place behind the scenes of y our AirP or t wireless network. Basic Networking P ackets and T raffic Information trav els across a network in chunks called packets.
60 Chapter 4 Behind the Scenes So , your computer also has an Internet P rotocol (IP) address that defines exactly where and in what network it’ s located. IP addresses ensure that your local Ethernet netw ork receive s only the traffic intended for it.
Chapter 4 Behind the Scenes 61 Using the Time Capsule This section describes the differ ent network in terfaces of the Time Capsule and describes the functions it can provide . Time Capsule Int er faces T o use your Time Capsule , you configure how its networking interfaces will be used.
62 Chapter 4 Behind the Scenes  Audio ( - ) int er face: Use the analog and optical digital audio stereo mini-jack to connect an AirP ort Express to a home stereo or power ed speakers.
Chapter 4 Behind the Scenes 63 Items That Can Cause In ter ferenc e with AirP or t The farther away the interference source , the le ss likely it is to cause a problem.
Glossary 64 Glossar y 1 0Base-T The most common cabling method f or Ethernet. 1 0Base-T conforms to IEEE standard 802.3 . I t was developed to enable data communications ov er unshielded twisted pair (telephone) wiring at speeds of up t o 1 0 megabits per second (Mbps) up to distances of appro ximately 3 30 feet on a netw ork segment.
Glossary 65 backbone The central part of a large network that links two or more subnetw orks. The backbone is the primar y data transmission path on large networks such as those of enterprises and service providers. A back bone can be wireless or wired .
66 Glossary channel One por tion of the available radio s pec trum that all devices on a wireless network use to communicat e. Changing the channel on the access point/rout er can help reduce int er ference .
Glossary 67 firewall A system of software and/or hardwar e that resides betw een two networks to prevent acc ess by unauthoriz ed users. The most common use of a firewall is to provide security between a local network and the Internet.
68 Glossary LAN Local area netw ork. A system of connecting PCs and other devices within the same physical pro ximity for sharing resource s such as an Internet connections , printers, files, and drives. When Wi-Fi is used t o connect the devices, the system is known as a wireless LAN or WLAN.
Glossary 69 roaming ( Wi-Fi) The ability to move fr om one area of Wi-Fi cov erage to another with no loss in connectivity (hand-off ). router A wireless r outer is a device that accepts connections from wirele ss devices to a network, includes a network firewall f or securit y , and pr ovides local netw ork addresses .
70 Glossary WEP Wired equivalen t privacy . The original security standard used in wireless networks to encrypt the wireless network traffic. S ee WP A, Wireless local area network.
Glossary 71 WP A2 - Enterprise Wi-F i Protected Acce ss 2 - Enterprise. T he follow-on wir eless security method to WP A that provide s stronger data protection for multiple users and large managed networks . I t prevents una uthorized network acce ss by verifying network users through an a uthentication server .
www .apple.com/airportex treme www .apple.com/airport © 2009 Apple Inc. All rights reserved. Apple, the Apple logo, AirPort, AirP ort Ex treme, AppleShare, Apple T alk, Back to My Mac, Bonjour , Mac, and Mac OS are trademarks of Apple Inc., registered in the U.
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