Linksys WET54G V3 manuale d’uso

A Division of Cisco Systems, Inc . ® Model No . Ether net Bridge Wir eless- G WET54G v3 User Guide WIRELESS GH z 2.4 802.11g[...]

Wireless-G Ethernet Bridge Copyright and T rademarks Specifications are subject to change without notice . L inksys is a registered tradema rk or trademark of Cisco Systems, Inc . and/or its affiliates in the U.S . and certain other countries. Copyright © 2005 Cisco Systems, Inc. All rights reserved. Other brands and product names are tradem arks [...]

Wireless-G Ethernet Bridge Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 2 Chapter 2: Planning Your Wireless Network 4 Network Topology 4 Network Layout 5 Chapter 3: Getting to Know the Wireless-G Ethernet Bridge 6 The Back Panel 6 The Front Panel 7 Chapter 4: Connecting the Wireless-G Ethernet Bridge for Setup 8 Cha[...]

Wireless-G Ethernet Bridge Appendix E: Glossary 37 Appendix F: Specifications 43 Appendix G: Warranty Information 45 Appendix H: Regulatory Information 46 Appendix I: Contact Infor mation 48[...]

Wireless-G Ethernet Bridge List of Figures Figure 2-1: Infrastructure Network 4 Figure 2-2: Ad-Hoc Network 5 Figure 2-3: Network Using Wireless Bridging 5 Figure 3-1: Back Panel 6 Figure 3-2: Front Panel 7 Figure 4-1: Connect to the Network 8 Figure 4-2: Connect the Power 8 Figure 5-1: Welcome 9 Figure 5-2: Connection 9 Figure 5-3: List of Bridges [...]

Wireless-G Ethernet Bridge Figure 7-10: RADIUS-TTLS 23 Figure 7-11: Password Tab 24 Figure 7-12: Advanced Settings Tab 24 Figure 7-13: Status Tab 26 Figure 7-14: Help Tab 27 Figure 7-15: Firmware Upgrade 27 Figure C-1: Firmware Upgrade 35[...]

1 Chapter 1: Introductio n Welcome Wireless-G Ethernet Bridge Chapter 1: Introduction We lc o me Thank you for choosing the Wireless-G Ethernet Bridge. The versatile Wireless-G Ethernet Bridge can make any wired Ethernet-equipped device a part of your wireless network. At home, use the Bridge to connect game consoles, set-top boxes, or computers to[...]

2 Chapter 1: Introductio n What’s in this Guide? Wireless-G Ethernet Bridge What’ s in this Gu ide? This user guide covers the steps for setting up and using the Wireless-G Ethernet Bridge. • Chapter 1: Introduction This chapter describes the Wireless-G Et hernet Bridge applications and this user guide. • Chapter 2: Planning your Wireless N[...]

3 Chapter 1: Introductio n What’s in this Guide? Wireless-G Ethernet Bridge • Appendix E: Glossary This appendix gives a brief glossar y of terms frequently used in networking. • Appendix F: Specifications This appendix provides the technical specifications for the Bridge . • Appendix G: Warr anty Information This appendix supplies the warr[...]

4 Chapter 2: Planning Your Wireless Network Network Topology Wireless-G Ethernet Bridge Chapter 2: Planning Y our Wireless Network Network T opology A wireless local area network (WLAN) is exactly like a regular local area network (LAN), except that each computer in the WLAN uses a wireless device to connect to the network. Computers in a WLAN shar[...]

5 Chapter 2: Planning Your Wireless Network Network Layout Wireless-G Ethernet Bridge Network La yout The Wireless-G Ethernet Bridge is compatible with all 8 02.11b and 802.11g routers, such as model numbers BEFW11S4 and WRT54G, as well as access points, including model numbers W AP11 and W AP54G. The Camera will also communicate with network adapt[...]

6 Chapter 3: Getting to Know the Wireless-G Ethernet Bridge The Back Panel Wireless-G Ethernet Bridge Chapter 3: Getting to Know the Wireless-G Ethernet Bridge The Back P anel All connections to the Bridge are made through the ports on its back panel, shown in Figure 3-1. Reset When pressed, the Reset button resets the Bridge to its factory de faul[...]

7 Chapter 3: Getting to Know the Wireless-G Ethernet Bridge The Front Panel Wireless-G Ethernet Bridge The Front P anel The LEDs indicate network activity experienced by the Bridge . (See Figure 3-2.) Po w e r Green. The Power LED will light u p when the Bridge is powered on. While the Bridge is booting up and performing a self-test, the Power LED [...]

8 Chapter 4: Connecting the Wireless-G Eth ernet Bridge for Setup Wireless-G Ethernet Bridge Chapter 4: Connecting the Wireless-G Ethernet Bridge for Setup 1. Attach the Bridge’ s antenn a. 2. Plug the included Ethernet network cable into the LAN port on the ba ck panel of the Bridge , shown in Figure 4-1. 3. Plug the other end of the Ether net n[...]

9 Chapter 5: Setting Up the Wireless-G Ethernet Bridge Wireless-G Ethernet Bridge Chapter 5: Setting Up the Wireless-G Ethernet Bridge Now that you’ve connected the Wireless-G Ethernet Bridge to your wired network, you are ready to set it up . The Setup Wizard will guide you through all the necessar y steps. 1. Insert the Setup CD-ROM into your P[...]

10 Chapter 5: Setting Up the Wireless-G Ethernet Bridge Wireless-G Ethernet Bridge 4. The screen shown in Figure 5-3 displays a list of Wireless- G Ethernet Bridges on your network, along with the status information for each Bridge . (If you have only one Bridge on your netwo rk, it will be the only one displayed.) Select the Bridge you are current[...]

11 Chapter 5: Setting Up the Wireless-G Ethernet Bridge Wireless-G Ethernet Bridge 7. The Wireless Settings screen, shown in Figure 5-6, will now appear . Enter your wireless network’ s SSID . If you chose Ad-Hoc mode , select the channel at which the network broadcasts its wireless signal. If you have Wireless-G (802.11g) and Wireless-B (802. 11[...]

12 Chapter 5: Setting Up the Wireless-G Ethernet Bridge Wireless-G Ethernet Bridge 9. The Security Settings (Optional) screen, shown in Figure 5-8, appears next. From the drop-down menu, select one of the wireless security mode options supported by the Bridge: WP A PSK (Pre-Shared Key) and WEP . (WP A stands for Wi-Fi Protected Access, which is a s[...]

13 Chapter 5: Setting Up the Wireless-G Ethernet Bridge Wireless-G Ethernet Bridge 10. Review your settings on the Confirmation screen, shown in Figure 5-10. Write d own the Bridge’ s IP Address if you want to configure advanced settings throu gh the Bridge’ s Web-based Utility . Click the Ye s button to save these settings. Click the No button[...]

14 Chapter 6: Connecting the Wireless-G Eth ernet Bridge for Network Use Connection to a Network Device Wireless-G Ethernet Bridge Chapter 6: Connecting the Wireless-G Ethernet Bridge for Network Use Connection to a Network Device 1. After configuration, unplug the power cable from t he electrical outlet, and unplug the Ethernet network cable from [...]

15 Chapter 6: Connecting the Wireless-G Eth ernet Bridge for Network Use Placement Options Wireless-G Ethernet Bridge Stand Option 1. The Bridge has eight rubber inserts, four on each side. Remove the two rubber inserts that are adjacent to the power port. 2. The Bridge includes two triangular stands. Insert a stand into an opening. Push the stand [...]

16 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Overview Wireless-G Ethernet Bridge Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utilit y Overview The Bridge is designed to function properly after you configure it using the Setup Wizard. However , if you would like to change these basic settings or make adv anc ed [...]

17 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Setup Wireless-G Ethernet Bridge Setup The Setup scre en, shown in Figure 7-2, lets you configure the wired and wireless network settings for the Bridge . • Firmware - The version number of the Brid ge’ s firmware is displayed here . Fir mware should be upgraded ONL Y if you e[...]

18 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Setup Wireless-G Ethernet Bridge • Wireless Site Survey The Wireless Site Survey screen, shown in Figure 7-3 shows all the wireless networks detected b y the Bridge and their general information. Y ou can use this screen to connect to one of these networks. For each wireless net[...]

19 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Setup Wireless-G Ethernet Bridge If you click Edit Security Settings , The Se curity screen, as shown in Figure 7-5, will appear . From the drop- down menu, select one of the four wireless security modes supported by the Bridge: WP A Pre-Shared Key , WP A RADIUS, RADIUS , and WEP [...]

20 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Setup Wireless-G Ethernet Bridge WP A Pre-Shar ed Key WP A gives you TKIP for the encr yption method. Enter a WP A Shared Key of 8-32 characters. (See Figure 7-6.) Enter a key shared between the Bridge and the ser ver . Click the Apply button to save your c hanges. If your page do[...]

21 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Setup Wireless-G Ethernet Bridge RADIUS This option features WEP used in coordination with a RADIUS ser ver . (This should only be used when a RADIUS server is connected to the Router .) It offe rs three authenticatio n methods: MD5, TLS , and T TLS . EAP T ype MD5 Select a Defaul[...]

22 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Setup Wireless-G Ethernet Bridge TLS TLS is a mutual authentication method that uses digital ce rtificates.Select TLS from the EAP T ype drop-down menu. Enter the Login name of your wireless network in the User ID field. Enter the User Certificate and Root Certificate in the field[...]

23 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Setup Wireless-G Ethernet Bridge TTLS TTLS is a mutual authentication method that uses digital certificates. Select TTLS from the EAP T ype drop- down menu. Enter the Login name of your wireless network in the User ID field and the password in the Password field. Enter the Root Ce[...]

24 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Password Wireless-G Ethernet Bridge Pa s s w o r d The Password screen, shown in Figure 7-11, lets you change the Bridge’ s Password and restore the factor y default settings. • Administrative Password - It is strongly recommended that you change the factory defau lt password [...]

25 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Advanced Settings Wireless-G Ethernet Bridge whether a wireless device uses shared key or open system authentication, and then it w ill transmit data using the appropriate authentication type. • RTS Threshold - This value should remain at its default setting of 2347 . The range [...]

26 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Status Wireless-G Ethernet Bridge Status The Status screen displayed the Bridge’ s current status and settings. All infor mation is read-only . • Device Name - The name you have assigned to the Bridge is displayed here . • Firmware Version - The version number of the Bridge?[...]

27 Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility Help Wireless-G Ethernet Bridge • Link Quality - The quality of the Bridge’ s connection is displayed here . Click the Refresh button to obtain the most up-to-date settings and statistics. Click the Help button for additional on-screen information. Help The Help screen offers [...]

28 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Ethernet Bridge Appendix A: Troubleshooting 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 Wireless-G Et[...]

29 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Ethernet Bridge 4. The Bridge- enabled PC won’ t communicate w ith a wir eless-enabl ed PC or printer . Perform the following steps: • Check that the wireless-enabled PC or printer is on t he same wireless network as the PC using the Bridge . • Make sure that the SSID and n[...]

30 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Ethernet Bridge Can I run an ap plication from a remote computer over the wireless network? This will depend on whether or not the application is des igned to be used over a network. Consult the application’ s user guid e to determine if it supports operation over a network. Ca[...]

31 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Ethernet Bridge What is ISM b and? The FCC and their counterparts outside of the U.S . have set aside bandwidth for unlicensed use in the ISM (Industrial, Scientific and Medical) band. Spectrum in the vicinity of 2.4 GHz, in particula r , is being made available worldwide . This [...]

32 Appendix B: Wireless Security Security Precautions Wireless-G Ethernet Bridge Appendix B: Wireless Securit y Linksys wants to make wir eless networking as safe and easy for you as possible . Th e current generation of Linksys products provide several network security features, but they require specific action on your part for implementation. So,[...]

33 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-G Ethernet Bridge 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 convenien[...]

34 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-G Ethernet Bridge WP A Pre-Shar ed Key . If you do not have a RADIUS server , S elect the type of algorithm, TKIP , and enter a password in the Pre-Shared key field of 8-64 characters, and enter a Group Key Renewal period tim e between 0 and 99,999 seconds, which i[...]

35 Appendix C: Upgradin g Firmware Wireless-G Ethernet Bridge Appendix C: Upgrading Firmware Y ou can use the Bridge’ s Web-based Utility to upgrade the firm war e; however , firmware should be upgraded ONL Y if you experience problems with the Bridge . T o upgrade the Bridg e’ s firmware , follow these instructions: 1. Download the Bridge’ s[...]

36 Appendi x D: Wind ows Hel p Wireless-G Ethernet Bridge Appendix D: Windows Help Almost all Linksys 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 append[...]

37 Appendix E: Glossary Wireless-G Ethernet Bridge Appendix E: Glossar y 802.11a - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an operating frequency of 5GHz. 802.11b - An IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz. 8[...]

38 Appendix E: Glossary Wireless-G Ethernet Bridge Buffer - A block of memor y that temporarily holds data to be worked on later when a device is currently too busy to accept the data. Cable Modem - A device that con nects a computer to the cable television network, which in turn conn ects to the Internet. CSMA/CA (Carrier Sense M ultiple Access/Co[...]

39 Appendix E: Glossary Wireless-G Ethernet Bridge Dynamic IP Address - A temporar y IP address assigned by a DHCP server . Encryption - Encoding data to prevent it from being read by unauthorized people . Ethernet - An IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium. Finger - A pr[...]

40 Appendix E: Glossary Wireless-G Ethernet Bridge IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device. IPSec (Internet Pro tocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer . ISM band - Radio band used in w ireless networking transmissions. ISP (Intern[...]

41 Appendix E: Glossary Wireless-G Ethernet Bridge PPP oE (Point to Point Proto col over Ethernet) - A type of broadband connection that provides authentication (username and password) in addition to data transport. PPTP (Point-to-Point T unneling Protocol) - A VPN protocol that allows the Point to Point Protoco l (PPP) to be tunneled through an IP[...]

42 Appendix E: Glossary Wireless-G Ethernet Bridge TCP/IP (T ransmission Control Protocol/Inter net Protocol) - A network protocol fo r transmitting data that requires acknowledgement from the recipient of data sent. Te l n e t - A user command and TCP/IP protocol used for accessing remote PCs. TFTP (T rivial File T ransfer P rotocol) - A version o[...]

43 Appendix F: Specifications Wireless-G Ethernet Bridge Appendix F: Specifications Model WET54G v .3 Standards IEEE 802.11g, IEEE 802.11b , IEEE 802.3, IEEE 802.3u Ports One 10/100 Auto-Cross Over (MDI/MDI-X) Port, Po wer Port Buttons Reset Button Cabling T ype Category 5 or better LEDs Power , Ether net, Wireless-G T ransmit Power 16 ± 1 dBm @ 1[...]

44 Appendix F: Specifications Wireless-G Ethernet Bridge Storage T emp . -4°F to 158°F (-20°C to 70°C) Operating Humidity 10% to 85%, Non-Condensing Storage Humidity 5% to 90%, Non-Condensing W arranty 3 Y ear Limited[...]

45 Appendix G: Warranty Information Wireless-G Ethernet Bridge Appendix G: Warrant y 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 Linksys'[...]

46 Appendix H: Regulatory Inf ormation Wireless-G Ethernet Bridge Appendix H: 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 interference in a re[...]

47 Appendix H: Regulatory Inf ormation Wireless-G Ethernet Bridge 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 for procedur[...]

48 Appendix I: Contact Informa tion Wireless-G Ethernet Bridge Appendix I: 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 want to kno[...]