Linksys WPC54GX manuale d’uso

A Division of Cisco Systems, Inc . ® Model No . Notebook Adapter Wir eless- G WPC54GX User Guide WIRELESS with SRX GH z 2.4 802.11g[...]

Wireless-G Notebook Adapter with SRX Copyright and T rademarks Specifications are subject to change without notice . Linksys is a registered trademark or trademark of Cisco Systems, Inc . and/or its affiliates in the U.S . and certain other countrie s. Copyright © 2005 Cisco Systems, Inc. All rights reserved. Other brands and product name s are tr[...]

Wireless-G Notebook Adapter with SRX Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 1 Chapter 2: Planning Your Wireless Network 3 Network Topology 3 Roaming 3 Network Layout 4 Chapter 3: Getting to Know the Wireless-G Notebook Adapter with SRX 5 The LED Indicators 5 Chapter 4: Setting up the Wireless-G Notebook Adapte[...]

Wireless-G Noteb ook Adapter with SRX List of Figures Figure 3-1: Front Panel 5 Figure 4-1: The Setup Wizard’s Welcome Screen 6 Figure 4-2: The Setup Wizard’s License Agreement 7 Figure 4-3: The Setup Wizard’s SSID (Wireless Network Name) Screen 7 Figure 4-4: The Setup Wizard’s WEP Screen 8 Figure 4-5: The Setup Wizard ’s WPA-Personal Scr[...]

Wireless-G Noteb ook Adapter with SRX Figure 5-22: RADIUS - EAP-TLS 23 Figure 5-23: RADIUS - EAP-TTLS 23 Figure 5-24: RADIUS - EAP-PEAP 24 Figure 5-25: Confirm New Settings 24 Figure 5-26: Congratulations 25[...]

1 Chapter 1: Introductio n Welcome Wireless-G Notebook Adapter with SRX Chapter 1: Introduction We l c o me Thank you for choosing the Wireless-G Notebook Adapter with SRX. With this Ad apter , your wireless networking experience will be faster and easier than ever . How does the Adapter do this? Like all wireless pro ducts, the Adapter allows for [...]

2 Chapter 1: Introductio n What’s in this Guide? Wireless-G Notebook Adapter with SRX • Chapter 5: Using the Wireless Network Monitor This chapter show you how to use the Adapter’ s Wireless Network Monitor . • Appendix A: T roubleshooting This appendix describes some problems and solutions, as well as frequently asked questions, regarding [...]

3 Chapter 2: Planning Your Wireless Network Network Topology Wireless-G Notebook Adapter with SRX Chapter 2: Planning Y our Wireless Network Network T opology A wireless network is a group of computers, each equipped with one wireless adapter . Computers in a wireless network must be configured to share the same radio channel. Several PCs equipped [...]

4 Chapter 2: Planning Your Wireless Network Network Layout Wireless-G Notebook Adapter with SRX Network La yout Linksys wireless access points and wireless routers have been designed for use with 802.11b and 802.11g products. Products using the 802.11g and 802.11b standards can communicate with each other . Access points and wireless routers are co[...]

5 Chapter 3: Getting to Know the Wireless-G Notebook Adap ter with SRX The LED Indicators Wireless-G Notebook Adapter with SRX Chapter 3: Getting to Know the Wireless-G Notebook Adapter with SRX The LED Indicators The Adapter's LEDs display information about network activity . Po w e r Green . The Power LED lights up when the Adapter is powere[...]

6 Chapter 4: Setting up the Wireless-G Notebook Adapter with SRX Running the Setup Wizard Wireless-G Notebook Adapter with SRX Chapter 4: Setting up the Wireless-G Notebook Adapter with SRX Overview The Wireless-G Notebook Adapter Setup Wizard will gu ide you through the installation procedure . The Setup Wizard will install the Wireless Network Mo[...]

7 Chapter 4: Setting up the Wireless-G Notebook Adapter with SRX Running the Setup Wizard Wireless-G Notebook Adapter with SRX 2. After reading the License Agreement, click the Next button if you agree , or clic k the Cancel button to end the installation. 3. In the SSID field, enter the SSID or name of your wireless netwo rk. The SSID must be iden[...]

8 Chapter 4: Setting up the Wireless-G Notebook Adapter with SRX Running the Setup Wizard Wireless-G Notebook Adapter with SRX 4. Select the type of security you want to use: 64-bit WEP , 128-bit WEP , or WP A-P ersonal . All devices in a network must use the same type. WEP WEP - T o use WEP e ncr yption, select 64-bit WEP or 128-bit WEP from the d[...]

9 Chapter 4: Setting up the Wireless-G Notebook Adapter with SRX Running the Setup Wizard Wireless-G Notebook Adapter with SRX 5. The Setup Wizard will ask you to review your settings before it starts to install files. Click the Next button if you are satisfied with your settings, or click the Back button to change any settings. 6. With the Adapter[...]

10 Chapter 4: Setting up the Wireless-G Notebook Adapter with SRX Running the Setup Wizard Wireless-G Notebook Adapter with SRX 7. After the Adapter has been installed, the Congratulations screen will appear . Click the Exit button. The installation of the Wireless-G Notebook Adapter with SRX is complete. If you want to check the link information, [...]

11 Chapter 5: Using the Wireless Network Monito r Accessing the Wireless Network Monitor Wireless-G Notebook Adapter with SRX Chapter 5: Using the Wireless Network Monitor Use the Wireless Network Monitor to check the link information, search for available wireless networks, or create profiles that hold different configuration settings. Accessing t[...]

12 Chapter 5: Using the Wireless Network Monito r Link Information Wireless-G Notebook Adapter with SRX Clicking the More I nformatio n button displays more information ab out the Adapter’s connection, as sho wn below: Wireless Network Status The Wireless Network Status screen provides information on your current network settings. Wireless Netw o[...]

13 Chapter 5: Using the Wireless Network Monito r Link Information Wireless-G Notebook Adapter with SRX Wireless Network Statistics The Wireless Network Statistics screen provides statistics on your current network settings. T r ansmit Rate - The data transfer rate of the current connection. (In Auto mode, the Adapter dynamically shifts to the fast[...]

14 Chapter 5: Using the Wireless Network Monito r Site Survey Wireless-G Notebook Adapter with SRX Site Survey The Site Survey screen displays a list of infrastructure and ad-h oc networks available for connection in the table on the left. Y ou may click SSID , CH (Channel), or Signal , to sort b y that field. On the right, the selected network’ [...]

15 Chapter 5: Using the Wireless Network Monito r Profiles Wireless-G Notebook Adapter with SRX Profiles The Profiles screen lets you save different configuration profiles for different network setups. The table on the left displays a list of infrastructure and ad-hoc networks av ailable for connection. This table shows the network’ s profile nam[...]

16 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX Creating a New Pr ofile 1. On the Profiles screen, click the New button to create a new profile . 2. Enter a name for the new profile, and click the OK button. Click the Can cel button to return to the Profiles screen without entering a nam[...]

17 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX 3. The Wireless Mode screen shows a choice of two wireless modes. Click the Infrastructure Mode radio button if you want your wireless computers to communicate with computers on your wired network via a wireless access point. Click the Ad-H[...]

18 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX 5. The Wireless Security screen will appear . Select WEP , WP A-P ersonal , WP A-Enterpris e , or RADIUS from the drop-down menu. WEP stands for Wired Equivalent Privacy , WP A-P ersonal stands for Wi-Fi Protected Access Pre-Shared Key , wh[...]

19 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX WP A-P ersonal WP A-Personal offers two encr yption methods, T KIP and AES, with d ynamic encryption keys. Click the Next button to continue. Click the Back button to return to the previous scr een. Select the type of algorithm, TKIP or AES[...]

20 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX WP A-Enterprise WP A-Enterprise features WPA used in coordination with a RADIUS server . (This should only be used when a RADIUS server is connected to your network ro uter .) WPA-Enterprise offers two encryption methods, TKIP and AES , wit[...]

21 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX Figure 5-18: WP A-Enterprise - EAP-TLS Figure 5-19: WP A-Enterprise - EAP-TTLS From the next screen, select the Authentication Method from the drop-down menu. The options are described below . EAP-TLS Enter your login name in the Login Na m[...]

22 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX EAP-PEAP Enter your login name in the Login Name field. Enter the password of your wireless network in the Password field. Select V alidate server certificate to make sure that the certificate for the ser ver is valid. Then select the appro[...]

23 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX From the next screen, select the Authentication Me thod from the drop-down menu. The options are described below . EAP-TLS Enter your login name in the Login Name field. From the Certificate drop-down menu, select the certificate you have i[...]

24 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX EAP-PEAP Enter your login name in the Login Name field. Enter the password of your wireless network in the Password field. Select V alidate server certificate to make sure that the certificate for the server is valid. Then select the approp[...]

25 Chapter 5: Using the Wireless Network Monito r Creating a New Profile Wireless-G Notebook Adapter with SRX 7. The Congratulations screen will appear next. Click Connect to Network to implement the new settings immediately and return to the Link Infor mation screen. Click Return to Profil es screen to k eep the current settings active and return [...]

26 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Notebook Adapter with SRX Appendix A: T roubleshooting This appendix consists of two parts: “Common Problems and Solutions” and “F requently Asked Questions. ” This appendix provides solutions to problems that may occur d uring the installation and operation of the Wi[...]

27 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Notebook Adapter with SRX What is the IEEE 802.11 b sta nd a rd? It is one of the IEEE standards for wireless network s. The 802.11b standard allows wireless networking hardware from different manufacturers to communicate , provided that the ha rdware complies with the 802.11b st[...]

28 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Notebook Adapter with SRX What is r oaming? Roaming is the ability of a portable computer use r to communicate continuously while moving freely throughout an area greater than that covered by a single access point. Before using the roaming function, the workstation must make sure[...]

29 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Notebook Adapter with SRX (or chipping code). The longer the chip, the greater the probabilit y that the original data can be recovered. Even if one or more bits in the chip are damaged during transmission, statistical techniques embedded in the radio can recover the original dat[...]

30 Appendix B: Wireless Security Security Precautions Wireless-G Notebook Adapter with SRX Appendix B: Wireless Security Linksys wants to make wir eless networking as safe and easy for you as possible . Th e current gen eration of Linksys products provide several network security features, but they require specific action on your part for implement[...]

31 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-G Notebook Adapter with SRX SSID. There are several things to k eep in mind about the SSID: 1. Disable Broadcast 2. Make it unique 3. Change it often Most wireless networking devices will give you the optio n of broadcasting the SSID . While this option may be more[...]

32 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-G Notebook Adapter with SRX WP A-P ersonal . If you do not have a RADIUS ser ver , Select th e type of algorithm, TKIP or AES, and enter a password in the Passphrase field of 8-63 char acters. WP A-Enterprise . WP A used in coordination with a RADIUS serv er . (Thi[...]

33 Appendi x C: Wind ows Hel p Wireless-G Notebook Adapter with SRX Appendix C: Windows Help Almost all wireless products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier . These features can be accessed through Windows Help and are described in this appe[...]

34 Appendix D: Glossary Wireless-G Notebook Adapter with SRX Appendix D: Glossar y 802.11b - A wireless networking standar d that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz. 802.11g - A wireless netw orking standard that specifies a ma ximum data transfer rate of 54Mbps, an operating frequency of 2.4GHz, a[...]

35 Appendix D: Glossary Wireless-G Notebook Adapter with SRX Cable Modem - A device that con nects a computer to the cable television network, which in turn connects to the Internet. CSMA/CA ( C arrier S ense M ultiple A ccess/ C ollision A voidance) - A method of data transfer that is used to prevent data collisions. CTS ( C lear T o S end) - A si[...]

36 Appendix D: Glossary Wireless-G Notebook Adapter with SRX EAP ( E xtensible A uthentication P rotocol) - A general authentication protocol used to control network access. Many specific authentication methods work within this framework. EAP-PEAP ( E xtensible A uthentication P rotocol- P rotected E xtensible A uthentication P rotocol) - A mutua l[...]

37 Appendix D: Glossary Wireless-G Notebook Adapter with SRX IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device. IPSec ( I nter net P rotocol Sec urity) - A VPN protocol used to implement secure exchange of packets at the IP layer . ISM band - Radio bandwidth utilized in wireless transmissions. [...]

38 Appendix D: Glossary Wireless-G Notebook Adapter with SRX Ping ( P acket IN ter net G roper) - An Inter net utility use d to deter mine whether a particular IP address is online. POP3 ( P ost O ffice P rotocol 3 ) - A standard mail ser ver commonly used on the Inter net. Po r t - The connection point on a computer or networking device used for p[...]

39 Appendix D: Glossary Wireless-G Notebook Adapter with SRX Spread Spectrum - Wideband radio frequency technique used for more reliable and secure data transmission. SSID ( S er vice S et ID entifier) - Y our wireless network's name. Static IP Addr ess - A fixed address assigned to a computer or device that is connected to a network. Static R[...]

40 Appendix D: Glossary Wireless-G Notebook Adapter with SRX VPN ( V irtual P rivate N etwork) - A security measure to protect data as it leaves one network and goes to another over the Internet. WA N ( W ide A rea N etwork)- The Internet. WEP ( W ired E quivalent P rivac y) - A method of encrypting network data transmitted on a w ireless network f[...]

41 Appendix E: Specifications Wireless-G Notebook Adapter with SRX Appendix E: Specifications Model WPC54GX Standards IEEE 802.11g, IEEE 802.11b LEDs Power , Link T ransmit Power 20dBm for Wi reless-B/14dBm for Wireless-G Protocols 802.11b: CCK, QPSK, BPSK; 802.11g: OFDM Security Features WEP , WP A (AES , TKIP), 802.1x WEP Key Bits 64, 128 Bit Dim[...]

42 Appendix F: Warranty Information Wireless-G Noteb ook Adapter with SRX Appendix F: W arranty Information LIMITED WARRANTY Linksys warrants to Y ou that, for a pe riod of three years (the “Warranty Period”), your Linksys Product will be substantially free of defects in materials and workmanship under normal use . Y our exclusive remedy and Li[...]

43 Appendix G: Regulatory Informatio n Wireless-G Notebook Adapter with SRX Appendix G: Regulator y Information FCC ST A TEMENT This product has been tested and complies with the specification s for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to pr ovide reasonable protection against harmful interferenc[...]

44 Appendix G: Regulatory Informatio n Wireless-G Notebook Adapter with SRX EN 300-328-1, EN 300-328-2 T echnic al requirements for Radio equipment. Caution: This equipment is intended to be used in all EU and EFT A countries. Outdoor use may be restricted to certain frequencies and/or may require a license for operation. Contact local Authority fo[...]

45 Appendix H: Contact Inf ormation Wireless-G Noteb ook Adapter with SRX Appendix H: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to your existing products at: http://www .linksys.com or ftp.linksys.com Can't find information about a product you want to buy on the web? Do you [...]