Manuale d’uso / di manutenzione del prodotto WRT54GX4 del fabbricante Linksys
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A Division of Cisco Systems, Inc . ® Model No . Broadband Router Wir eless- G WR T54GX4 User Guide WIRELESS GH z 2.4 802.11g with SRX400.
Wireless-G Broadband Ro uter with SRX400 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.
Wireless-G Broadband Ro uter with SRX400 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 Ad-Hoc versus In.
Wireless-G Broadband Ro uter with SRX400 The Administration Tab - Diagnostics 37 The Administration Tab - Factory Defaults 38 The Administration Ta b - Firmware Upgrade 38 The Administration Tab - Con.
Wireless-G Br oadband Router with SRX400 List of Figures Figure 3-1: The Router’s Side Panel 6 Figure 3-2: The Router’s LEDs 7 Figure 4-1: Connect a PC 8 Figure 4-2: Connect the Modem 8 Figure 4-3.
Wireless-G Br oadband Router with SRX400 Figure 5-24: Security Tab - Firewall 26 Figure 5-25: Access Restrictions Tab - Internet Access 27 Figure 5-26: Internet Policy Summary 27 Figure 5-27: List of .
1 Chapter 1: Introductio n Welcome Wireless-G Broadband Ro uter with SRX400 Chapter 1: Introduction We l c o m e Thank you for choosing the Linksys Wireless-G Broadband Router with SRX400. The Router will allow you to network wirelessly better than ever , sharing Internet access, files and fun, easily and securely .
2 Chapter 1: Introductio n What’s in this Guide? Wireless-G Broadband Ro uter with SRX400 PCs on a wired network create a Local Area Network. They are connected with Ethernet cables, which is why the network is called “wired”. PCs equipped with wireless cards or adapters can communicate without cumbersome cables.
3 Chapter 1: Introductio n What’s in this Guide? Wireless-G Broadband Ro uter with SRX400 • Appendix B: Wireless Security This appendix explains the risks of wireless networking and some solutions to reduce the risks.
4 Chapter 2: Planning Your Wireless Network Network Topology Wireless-G Broadband Ro uter with SRX400 Chapter 2: Planning Y our Wireless Network Network T opology A wireless local area network is exactly like a regular local area network (LAN), except that each computer in the wireless network uses a wireless device to connect to the network.
5 Chapter 2: Planning Your Wireless Network Network Layout Wireless-G Broadband Ro uter with SRX400 The Wireless-G Broadband Router is compatible with all 802.11b and 802.11g adapters, such as the notebook adapters for your laptop computers, PCI adapters for y our desktop PCs, and USB adapters whe n you want to enjoy USB connectivity .
6 Chapter 3: Getting to Know the Wireless-G Broadband Router with SRX400 The Router’s Ports and Reset Bu tton Wireless-G Broadband Ro uter with SRX400 Chapter 3: Getting to Know the Wireless-G Broadband Router with SRX400 The Router’ s P orts and Reset Button The Router's ports and Reset button are located on one of the side panels.
7 Chapter 3: Getting to Know the Wireless-G Broadband Router with SRX400 The Router’s LEDs Wireless-G Broadband Ro uter with SRX400 The Router’ s LEDs The Router’ s LEDs, which displays information about network activity , are located on another side panel.
8 Chapter 4: Connecting the Wireless-G Broa dband Router with SRX4 00 Overview Wireless-G Broadband Ro uter with SRX400 Chapter 4: Connecting the Wireless-G Broadband Router with SRX400 Overview Linksys recommends using the Setup Wizard on the Setup CD-ROM for first-time installation of the Router .
9 Chapter 4: Connecting the Wireless-G Broa dband Router with SRX4 00 Placement Options Wireless-G Broadband Ro uter with SRX400 Placement Options There are three w ays to place the Router . The first way is to place it horizontally on a surface , so it sits on its four rubber feet.
10 Chapter 5: Configuring the Wireless-G Broadb and Router Overview Wireless-G Broadband Ro uter with SRX400 Chapter 5: Configuring the Wireless-G Broadband Router Overview Y ou should always use the Setup CD-ROM when first installing the Router .
11 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - Basic Setu p Wireless-G Broadband Ro uter with SRX400 The Setup T ab - Basic Setup The first screen that appears displays the Setup tab. This allo ws you to change the Router's general settings.
12 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - Basic Setu p Wireless-G Broadband Ro uter with SRX400 • Static IP . If you are required to use a permanent IP address to connect to the Inter net, select Static IP . Internet IP Ad dress .
13 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - Basic Setu p Wireless-G Broadband Ro uter with SRX400 • PPTP . Point-to-Point T unn eling Protocol ( PPTP ) is a service tha t applies to connections in Europe only . Specify Internet IP Address .
14 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - Basic Setu p Wireless-G Broadband Ro uter with SRX400 Optional Settings Some of these settings may be required by your IS P . Verify with your ISP before making any changes. Router Name .
15 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - Basic Setu p Wireless-G Broadband Ro uter with SRX400 Network Address Server Settings (DHCP) The settings allow you to configure the Router ’ s Dynamic Host Configuration Protocol (DHCP) ser ver function.
16 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - DDNS Wireless-G Broadband Ro uter with SRX400 The Setup T ab - DDNS The Router offers a Dynamic Domain Name System (DDN S) feature . DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address.
17 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - MAC Ad dress Clone Wireless-G Broadband Ro uter with SRX400 The Setup T ab - MAC Addr ess Clone A MAC address is a 12-digit code assigned to a unique piece of hardware for identification.
18 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - Advan ced Routing Wireless-G Broadband Ro uter with SRX400 The Setup T ab - Advanced Routing This tab is used to set up the Router’ s advanced funct ions. NA T Mode allows you to select the type(s) of advanced functions you use .
19 Chapter 5: Configuring the Wireless-G Broadb and Router The Setup Tab - Advan ced Routing Wireless-G Broadband Ro uter with SRX400 Subnet Mask . The Subnet Mask deter mines which portion of a Destination LAN IP address is the network portion, and which portion is the host portion.
20 Chapter 5: Configuring the Wireless-G Broadb and Router The Wireless Tab - Basic Wireless Settings Wireless-G Broadband Ro uter with SRX400 The Wireless T ab - Basic Wir eless Settings The basic settings for wireless networking are set on this screen.
21 Chapter 5: Configuring the Wireless-G Broadb and Router The Wireless Tab - Wireless Security Wireless-G Broadband Ro uter with SRX400 The Wireless T ab - Wir eless Security The Wireless Security settings configure the security of y our wireless network.
22 Chapter 5: Configuring the Wireless-G Broadb and Router The Wireless Tab - Wireless Security Wireless-G Broadband Ro uter with SRX400 WEP . WEP is a basic en cryption method, which is not as secure as WP A or WP A2.
23 Chapter 5: Configuring the Wireless-G Broadb and Router The Wireless Tab - Wireless MAC Filter Wireless-G Broadband Ro uter with SRX400 The Wireless T ab - Wir eless MAC Filter Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network.
24 Chapter 5: Configuring the Wireless-G Broadb and Router The Wireless Tab - Advanced Wireless Settings Wireless-G Broadband Ro uter with SRX400 The Wireless T ab - Advanced Wir eless Settings This tab is used to set up the Router’s adv anced wireless functions.
25 Chapter 5: Configuring the Wireless-G Broadb and Router The Wireless Tab - Advanced Wireless Settings Wireless-G Broadband Ro uter with SRX400 RTS Thr eshold . Should you encounter inconsistent data flow , only minor reduction of the default value , 2347 , is recommended.
26 Chapter 5: Configuring the Wireless-G Broadb and Router The Security Tab - Firewall Wireless-G Broadband Ro uter with SRX400 The Security T ab - Firewall Use this screen to configure the firewall and VPN pass through settings. Fire wal l Firewall Protection .
27 Chapter 5: Configuring the Wireless-G Broadb and Router The Access Restrictions Tab - Internet Access Wireless-G Broadband Ro uter with SRX400 The Access Restrictions T ab - Internet Access The Int.
28 Chapter 5: Configuring the Wireless-G Broadb and Router The Access Restrictions Tab - Internet Access Wireless-G Broadband Ro uter with SRX400 5. Click the appropriate option, Deny or Allow , depending on whether you want to block or allow Internet access for the PCs you listed on the List of PCs screen (shown in Figure 5-26).
29 Chapter 5: Configuring the Wireless-G Broadb and Router The Applications and Gaming Tab - Port Rang e Forward Wireless-G Broadband Ro uter with SRX400 The Applications and Gaming T ab - P ort Range.
30 Chapter 5: Configuring the Wireless-G Broadb and Router The Applications and Gaming Tab - Port Trigg ering Wireless-G Broadband Ro uter with SRX400 The Applications and Gami ng T ab - P ort T riggering Port T riggering is used for sp ecial applications that can request a port to be opened o n demand.
31 Chapter 5: Configuring the Wireless-G Broadb and Router The Applications and Gaming Tab - QoS Wireless-G Broadband Ro uter with SRX400 The Applications and Gaming T ab - QoS Quality of Service ( Qo.
32 Chapter 5: Configuring the Wireless-G Broadb and Router The Applications and Gaming Tab - QoS Wireless-G Broadband Ro uter with SRX400 Add a New Application Enter a Name Enter any name to indicate the name of the entr y . Category Select from Po r t R a n g e or MAC Address for the Router to use to set the bandwidth priority .
33 Chapter 5: Configuring the Wireless-G Broadb and Router The Applications and Gaming Tab - QoS Wireless-G Broadband Ro uter with SRX400 Remove This button allows you to remove the application entr y . T o remove the entry , click the Remov e button.
34 Chapter 5: Configuring the Wireless-G Broadb and Router The Administration Ta b - Management Wireless-G Broadband Ro uter with SRX400 The Administration T ab - Management This section of the Administration tab allows the network’ s administrator to manage specific Router functions for access and security .
35 Chapter 5: Configuring the Wireless-G Broadb and Router The Administration Ta b - Management Wireless-G Broadband Ro uter with SRX400 Location . Enter the location of the Router . For example , you could include the name of the building, floor number , and room location, such as Head Office - Floor 5 - Networking 3.
36 Chapter 5: Configuring the Wireless-G Broadb and Router The Administration T ab - Log Wireless-G Broadband Ro uter with SRX400 The Administration T ab - Log When you click the Administration tab , you will see the Log screen.
37 Chapter 5: Configuring the Wireless-G Broadb and Router The Administration Tab - Diagnostics Wireless-G Broadband Ro uter with SRX400 The Administration T ab - Diagnostics The diagnostic tests (Ping and T raceroute) allow you to check the connections of your network componen ts.
38 Chapter 5: Configuring the Wireless-G Broadb and Router The Administration Tab - Factory Defaults Wireless-G Broadband Ro uter with SRX400 The Administration T ab - Factory Defaults Use this screen to reset the Router to its factory default settings.
39 Chapter 5: Configuring the Wireless-G Broadb and Router The Admin istrati on Tab - Conf ig Managem ent Wireless-G Broadband Ro uter with SRX400 The Administration T ab - Config Management The Config Management screen allows you to backup the Router’ s settings and restore them later .
40 Chapter 5: Configuring the Wireless-G Broadb and Router The Status Tab - Rou ter Wireless-G Broadband Ro uter with SRX400 The Status T ab - Router The Router screen on the Status T ab displays the Router ’ s current status. Depending on the Router’s Internet connection type , th e status information may differ .
41 Chapter 5: Configuring the Wireless-G Broadb and Router The Status Tab - Loca l Network Wireless-G Broadband Ro uter with SRX400 The Status T ab - Local Network The Local Network screen on the Status T ab displays the status of your network. Local Network MAC Address .
42 Chapter 5: Configuring the Wireless-G Broadb and Router The Status Tab - Wireles s Wireless-G Broadband Ro uter with SRX400 The Status T ab - Wireless The Wireless screen on the Status T ab displays the statu s of your wireless network. Wireless MAC Address .
43 Chapter 5: Configuring the Wireless-G Broadb and Router The Status Tab - Sys tem Perform ance Wireless-G Broadband Ro uter with SRX400 The Status T ab - System P erformance The System Performance screen displays status info rmation about network traffic for the Inter net, wireless activities, and wired connectivity .
44 Chapter 5: Configuring the Wireless-G Broadb and Router The Status Tab - Sys tem Perform ance Wireless-G Broadband Ro uter with SRX400 P ackets Sent . The number of packets sent is displayed here . Bytes Received . The number of bytes received is shown here .
45 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 Appendix A: T roubleshooting This appendix consists of two parts: “Common Problems and Solutions” and “F requently Asked Questions.
46 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 • For Windows 2000: 1. Click Start , Settings , and Control P a nel .
47 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 • Refer to “ Appendix D: Windows Help” for details. Make sure Obtain IP address automatically is selected in the settings. B Open a command prompt.
48 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 6. I am not able to access the Se tup page of the Router’ s web-ba sed utility . • Refer to “Problem #3, I want to test my Internet c onnection” to ve rify that your computer is properly connected to the Router .
49 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 8. I need to set up online game hostin g or use other Internet appl ications. If you want to play online games or use Internet applications, most will work without doing any port forwarding or DMZ hosting .
50 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 Follow these steps to set DMZ hosting: 1. Access the Router’ s web-based utility by going to http ://192.168.1.1 or the IP addr ess of the Router .
51 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 12. T o start over , I ne ed to set the Router to fa ctory default. Hold the Reset button for 10 seconds and then release it. Th is will return the password, forwarding, and other settings on the Router to the factor y default settings .
52 Appendix A: Troublesh ooting Common Problems and So lutions Wireless-G Broadband Ro uter with SRX400 4. Click the Save Settings button to continue. • If your difficulties continue , change the Size to diffe r ent values. T ry this list of values, one value at a time , in this order , until your problem is solved: 1462 1400 1362 1300 17.
53 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Broadband Ro uter with SRX400 20. I do not see a speed improvement while surfing wir e lessly with my SRX equipment. • Y our Internet connection is usually much slower than your w ireless network with SRX equipment.
54 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Broadband Ro uter with SRX400 such as DSL or cable modems, when only one TCP/IP address is provided by the ISP . The user may have many private addresses behind this single address provided b y the ISP .
55 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Broadband Ro uter with SRX400 The web page hangs; downloads are corrupt, or nothi ng but junk characters are being displayed on the screen.
56 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Broadband Ro uter with SRX400 If DMZ Hosting is used, does the exposed u ser share the public IP with the Router? No. Does the Router pass PPTP packets or actively route PPTP sessions? The Router allows PPTP packets to pass through.
57 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Broadband Ro uter with SRX400 What IEEE 802.11g feat ures are supported? The product supports the following IEEE 802.
58 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Broadband Ro uter with SRX400 selects the right access point and registers its address. Communications between end node and host computer can then be transmitted up and down the backbone .
59 Appendix A: Troublesh ooting Frequently Asked Questions Wireless-G Broadband Ro uter with SRX400 practical purposes, this number is usually permanent. Unlike IP addresses, which can change ever y time a computer logs onto the network, the MAC address of a device stays the same, making it a v aluable identifier for the network.
60 Appendix B: Wireless Security Security Precautions Wireless-G Broadband Ro uter with SRX400 Appendix B: Wireless Security Linksys wants to make wir eless networking as safe and easy for you as possible .
61 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-G Broadband Ro uter with SRX400 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 .
62 Appendix B: Wireless Security Security Threats Facing Wireless Netwo rks Wireless-G Broadband Ro uter with SRX400 WP A/WP A2 P ersonal . Select the type of algorithm, TKIP or AES , enter a password.
63 Appendix C: Upgradin g Firmware Wireless-G Broadband Ro uter with SRX400 Appendix C: Upgrading Firmware The Broadband Router's firmware is upgraded through the Web-based Utility's Administration tab . Follow these instructions: 1. Download the firmware from Linksys's website at www .
64 Appendi x D: Wind ows Hel p Wireless-G Broadband Ro uter with SRX400 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 .
65 Appendix E: Finding the MAC Address and IP Address for Your Ethe rnet Adapter Windows 98SE or Me Instructions Wireless-G Broadband Ro uter with SRX400 Appendix E: Finding the MA C Address and IP Ad.
66 Appendix E: Finding the MAC Address and IP Address for Your Ethe rnet Adapter Windows 2000 or XP Instructions Wireless-G Broadband Ro uter with SRX400 Windows 2000 or XP Instructions 1. Click Start and Run . In the Open field, enter cmd . Press the Enter key or click the OK bu tton.
67 Appendix F: Glossary Wireless-G Broadband Ro uter with SRX400 Appendix F: Glossar y This glossary contains som e basic networking terms you may come across when u sing this product. For more advanced terms, see the complete Linksys glossary at http://www .
68 Appendix F: Glossary Wireless-G Broadband Ro uter with SRX400 DMZ ( D e m ilitarized Z one) - Removes the Router's firewall protection from one PC, allowing it to be “seen” from the Internet. DNS ( D omain N ame S erver) - The IP address of your ISP's ser ver , which translates the names of websites into IP addresses.
69 Appendix F: Glossary Wireless-G Broadband Ro uter with SRX400 IP Address - The address used to identify a computer or device on a network. IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device.
70 Appendix F: Glossary Wireless-G Broadband Ro uter with SRX400 RJ-45 ( R egistered J ack -45 ) - An Ethernet connecto r that holds up to eight wires. Roaming - The ability to take a wireless device from one access point's range to another without losing the connection.
71 Appendix F: Glossary Wireless-G Broadband Ro uter with SRX400 TKIP ( T emporal K ey I ntegrity P rotocol) - a wireless encr yption protocol that provides dynamic encr yption keys for each packet transmitted. T opology - The physical layout of a network.
72 Appendix G: Specification s Wireless-G Broadband Ro uter with SRX400 Appendix G: Specifications Model WRT54GX4 Standards IEEE 802.3, IEEE 802.3u, IEEE 802.
73 Appendix G: Specification s Wireless-G Broadband Ro uter with SRX400 Operating T emp. 0° C to 40° C (32° F to 104° F) Storage T emp. -10° C to 65° C (14° F to 149° F) Operating Humidity 15%.
74 Appendix H: Warranty Informat ion Wireless-G Br oadband Router with SRX400 Appendix H: 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 .
75 Appendix I: Regulatory Informa tion Wireless-G Br oadband Router with SRX400 Appendix I: Regulator y Information FCC Statement This product has been tested and complies with the specifications fo r a Class B digital device , pursuant to Part 15 of the FCC Rules.
76 Appendix I: Regulatory Informa tion Wireless-G Br oadband Router with SRX400 User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste Electric and Electronic Equipment (WEEE) This document contains importa nt information for u sers with regards to the proper disposal and recycling of Linksys products.
77 Appendix I: Regulatory Informa tion Wireless-G Br oadband Router with SRX400.
78 Appendix I: Regulatory Informa tion Wireless-G Br oadband Router with SRX400.
79 Appendix I: Regulatory Informa tion Wireless-G Br oadband Router with SRX400.
80 Appendix I: Regulato ry Information Dual-Band Wireless Access P oint For more information, visit www .linksys.com..
81 Appendix J: Contact Informa tion Wireless-G Br oadband Router with SRX400 Appendix J: 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Linksys WRT54GX4 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Linksys WRT54GX4 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Linksys WRT54GX4 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Linksys WRT54GX4 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Linksys WRT54GX4, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Linksys WRT54GX4.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Linksys WRT54GX4. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Linksys WRT54GX4 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
