Linksys RT042 manuale d’uso

A Division of Cisco Systems, Inc . ® Model No . WIRED with QoS Br oadband Router RT 0 4 2 User Guide[...]

Broadband Router Copyright and T rademarks Linksys is a registered trademark 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 reser ved. How to Use this Guide This User Guide has been designed to make unde rstanding networking with the Router easie[...]

Broadband Router Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 2 Chapter 2: Networking Basics 4 An Introduction to LANs 4 The Use of IP Addresses 4 Chapter 3: Getting to Know the Broadband Router 6 The Front Panel 6 The Back and Side Panels 7 Chapter 4: Connecting the Broadband Router 8 Overview 8 Connection Instruct[...]

Broadband Router Advanced Setup Tab - System Management 25 Log Tab - System Log 27 Log Tab - System Statistics 28 Appendix A: Troubleshooting 29 Common Problems and Solutions 29 Frequently Asked Questions 39 Appendix B: Upgrading Firmware 43 Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter 44 Windows 98 or Me Instruction[...]

Broadband Router List of Figures Figure 3-1: Front Panel 6 Figure 3-2: Back Panel 7 Figure 4-1: Example of a Typical Network 8 Figure 4-2: Connect a PC 9 Figure 4-3: Connect the Internet 9 Figure 4-4: Connect the Power 9 Figure 5-1: Entering the Router’s IP Address 12 Figure 5-2: Accessing the Web-Based Utility 12 Figure 5-3: The Site Map Button [...]

Broadband Router Figure 5-22: Service Management 21 Figure 5-23: Advanced Setup Tab - UPnP 21 Figure 5-24: Advanced Setup Tab - DDNS 22 Figure 5-25: Advanced Setup Tab - Advanced Routing 22 Figure 5-26: Advanced Setup Tab - VPN Pass Through 24 Figure 5-27: Advanced Setup Tab - Remote Management 24 Figure 5-28: Advanced Setup Tab - System Management[...]

1 Chapter 1: Introductio n Welcome Broadband Router Chapter 1: Introduction We lc o me Thank you for choosing the Broadband Router . The Linksys Broadband Rou ter with QoS is a kind of "splitter" for your Internet connection. Just connect your DSL or Cable Modem to the Router , and all the computers in your home or office can share the In[...]

2 Chapter 1: Introductio n What’s in this Guide? Broadband Router What’ s in this Gu ide? This user guide covers the steps for setting up and using the Broadband Router . • Chapter 1: Introduction This chapter describes the Router’s applications and this User Guide . • Chapter 2: Networking Basics This chapter describes the basics of netw[...]

3 Chapter 1: Introductio n What’s in this Guide? Broadband Router • Appendix H: Specifications This appendix provides the Router’s technical specifications. • Appendix I: Warranty Information This appendix contains the Router’s w arranty information. • Appendix J: Regulator y Information This appendix supplies the regulator y informatio[...]

4 Chapter 2: Networking Basics An Introduction to LANs Broadband Router Chapter 2: Networking Basics An Introduction to LANs A Router is a network device that connects two networks together . The Router connects your local area network (LAN), or the group of PCs in your home or office , to the Internet. The Router processes and regulates the data t[...]

5 Chapter 2: Networking Basics The Use of IP Addresses Broadband Router A DHCP server can either be a designated PC on the network or another network device , such as the Router . By default, the Router’s Internet Connection T ype is Obt ain an IP automa tically (DHCP). The PC or network device obtaining an IP address is called the DHCP client. D[...]

6 Chapter 3: Getting to Kn ow the Broadband Router The Front Panel Broadband Router Chapter 3: Getting to Know the Broadband Router The Front P anel The Router’s LEDs are located on the front panel. LEDs Ethernet 1-4 Green. The Ethernet LEDs serves two purposes. If an LED is continuously lit, the Router is connected to a device through the corres[...]

7 Chapter 3: Getting to Kn ow the Broadband Router The Back and Side Panels Broadband Router The Back and Side P anels The Router’ s ports and Reset button are located on the back panel of the Router . Reset Button Reset Button The Reset button can be used in one of two ways: If the Router is having problems connecting to the Inter net, press the[...]

8 Chapter 4: Connecting the Broad band Router Overview Broadband Router Chapter 4: Connecting the Broadband Router Overview T o set up your network, you will need to do the following: • Connect the Router to one of you r PCs according to the instructions in this chapter . • Set up and configure the Router with the setting(s) provided by your In[...]

9 Chapter 4: Connecting the Broad band Router Connection Instructions Broadband Router Connection Instructions 1. Before you begin, make sure that all of your hardware is power ed off , includin g the Router , PCs, hubs, switches, and cable or DSL modem. 2. Connect one end of an Ethernet network cable to on e of the Ethernet ports on the back of th[...]

10 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Overview Broadband Router Chapter 5: Setting Up and Configuring the Broadband Router Overview For your convenience, use the Router’ s Web-based Utility to set it up and configure it. This chapter will explain all of the functions in this Utility . There are five main tabs in the Util[...]

11 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Overview Broadband Router • Website Hit Rat e . This feature allows you to view the frequency at which each of your network’ s users are viewing their ten most favorite websites. Y ou can a lso block these sites, if you wish. • Applicatio n Usage . This feature allows you to view[...]

12 Chapter 5: Setting Up an d Configuring the Broadband Rou ter How to Access the Web-based Utility Broadband Router How to Access the W eb-based Utility T o access the Router ’ s Web-based Utility , launch Internet Explor er or Netscape Navigator , and enter the Router ’ s default IP address, 192.168.1.1 , in the Address field. Then, pr ess th[...]

13 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Basic Setu p Tab - Netw ork Broadband Router User Bandwidth This is a list of all users on your network, displaying how they’ re connected and allowing you to set the amount of bandwidth they are allowed and to delete them as users on your network. The headings for this list are: Use[...]

14 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Basic Setu p Tab - Netw ork Broadband Router LAN Setting This shows the Router’ s MAC Ad dress, which is a 12-digit code assigned to eac h piece of hardware for identification. Also listed here are the Router’ s IP A ddress and Subnet Mask. The default value is 192.168.1.1 for IP a[...]

15 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Basic Setup Tab - Password Broadband Router PPTP (Point-to-Point T unneling Protocol) 1. Enter the Specify IP Address, Subnet Mask and Default Gateway Address that is provided by your ISP . 2. Enter your User Name and Password. 3. If you select Connect on D emand option, the connection[...]

16 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Basic Setup Tab - Time Broadband Router Basic Setup T ab - Time Tim e The Router uses the time settings to time stamp log event s, to automatically update the Content F ilter List, and for other internal purposes. Set the local time using Network Time Protocol (NTP) automatically or ma[...]

17 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Parental Control Tab - On-L ine Scheduler Broadband Router P arental Contr ol T ab - On-Line Scheduler The Par ental Control tab allows you to control and optimize your user’s access to the Internet from your n etwork. This control can also be exercised through the Utility provided o[...]

18 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Parental Control Tab - Application Usage Broadband Router P arental Contr ol T ab - Application Usage From this screen, you can view which applications ar e t aking up the most bandwidth on your network, according to user , and block those sites if you wish. Select User : From this dro[...]

19 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Parental Control Tab - Block List Broadband Router Click the Add to List button to add the new or newly edited selec tion to your list of applications. T o delete an application, select from the list and click the Delete Selected Application button. Click Save Settings to save the sett[...]

20 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Advanced Setup Tab - D MZ Host Broadband Router Advanced Setup T ab - DMZ Host The DMZ (Demilitarized Zone) Host feature allows one local us er to be exposed to the Internet, not protected by the Router’ s firewall, to use a special-purpose service such as Internet gaming or video co[...]

21 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Advanc ed Setup T ab - UPnP Broadband Router Port T riggering Some Internet applications or g ames use alternate ports to communicate between ser ver and LAN host. When you want to use those applications, enter the trigger ing (outgoing) port and alternate inco ming port in this table [...]

22 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Advanced Setup Tab - D DNS Broadband Router Advanced Setup T ab - DDNS DDNS (Dynamic DNS) service allows you to assign a fixed d omain name to a dynamic Internet IP address. This allows you to host your own Web , FTP or other type of TCP/IP server in your LAN over either of the Interne[...]

23 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Advanced Setup Tab - A dvanced Routing Broadband Router T ransmit RIP versions : Choose a protocol for transmitting data on the network. (None, RIPv1, RIPv2-Broadcast, RIPv2-Multicast) Static Routing Y ou will need to configure Static Routing if there are m ultiple routers installed on[...]

24 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Advanced Setup Tab - VPN Pass Through Broadband Router Advanced Setup T ab - VPN P ass Through The VPN Pass Through screen allows you to enable or disab le IPSec Pass Through, PPTP Pass Through, and L2TP Pass Through. IPSec P as s Through : Internet Protocol Security (IPSec) is a suite[...]

25 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Advanced Setup Tab - System Ma nagement Broadband Router Advanced Setup T ab - System Management The System Management screen includes several tools to help troubleshoot network problems, such as looking up DNS names, ping tests, resetting the Router to fact ory default setting s, upgr[...]

26 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Advanced Setup Tab - System Ma nagement Broadband Router Factory Default The Factory Default feature can be used to clear all of yo ur configuration infor mation and restore the Router to its factory defau lt settings. Only use this feature if you wish to discard all other configuratio[...]

27 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Log Tab - Sy stem Log Broadband Router Log T ab - System Log The System Log screen contains three functions: Syslog, E-mail and Log Setting. Syslog The System Log (of Syslog) function logs network activity with the use of a separate Syslog ser ver . Y ou need a Syslog server for this f[...]

28 Chapter 5: Setting Up an d Configuring the Broadband Rou ter Log Tab - System St atistics Broadband Router Log Setting Alert Log Check the appropriate box when you want receive alert logs for any of the following events: Syn Flood ing , IP Spoofing , Win Nuke , Ping of Death and Unauthorized Login Attempt . General Log Check the appropriate box [...]

29 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router Appendix A: Troubleshooting This appendix provides solutions to problems that may occur during the installation and operation of the Router . Read the descriptions below to help solve your problems. If you can't find an an swer here , check the Linksys website at w[...]

30 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router For Windows 2000: A. Click Star t , Settings , and Control Panel . Double-click Network and Dial-Up Connecti ons . B . Right-click the Local Area Connection that is associated with the Etherne t adapter you are using , a nd select the Properties option. C. In the Compon[...]

31 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router 2. I want to test my Internet connection. A. Check your TCP/IP settings. For Windows 98 and Millennium: Refer to “ A ppendix F: Windows Help” for details. Mak e sure Obtain IP addr ess automatically is selected in the settings. For Windows 2000: 1. Click Start , Set[...]

32 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router • For Windows 2000 and XP , click Start and Run . In the Open field, type cmd . Press the Enter key or click the OK button. C. In the command prompt, type ping 192.168.1 .1 and press the Enter key . • If you get a reply , the computer is communicating with the Route[...]

33 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router 4. I am not able to access the Router’ s Web-based Utility Setup page. A. Refer to “Problem #2, I want to test my Internet c onnection” to verify that your computer is properly connected to the Router . B . Refer to “ Appendix C: Finding the MAC Address and IP A[...]

34 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router 6. I need to set up a server beh ind my Router . T o use a ser ver like a web , ftp, or mail server , you need to know the r espective port numbers they are using. For example , port 80 (HTTP) is used for web; port 21 (FTP) is used for FTP , and port 25 (SMTP outgoing) [...]

35 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router 7. I need to set up online game host ing or use other Internet ap plications. If you want to play online games or use Internet applications, most will work without doing any port forwarding or DMZ hosting . There may be cases when you want to host an online game or Inte[...]

36 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router 8. I can’t get the Internet game, server , or applic ation to wo rk. If you are having difficulties getting any Internet game , server , or application to function properly , consider exposing one PC to the Internet using DeMilitar ized Z one (DMZ) hosting . This opti[...]

37 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router 10. I am a PPPoE user , and I n eed to remo ve the proxy settings or the dial-up pop-up window. If you have proxy settings, you need to disable these on your computer . Because the Router is the gateway for the Internet connection, th e computer does not need any proxy [...]

38 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router 13. My DSL service’ s PPPoE is alwa ys disconnecting. PPPoE is not actually a dedicated or always-on connection. Th e DSL ISP can disconnect the service after a period of inactivity , just like a nor mal phone dial-up connection to the Internet. Th ere is a setup opti[...]

39 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router • If the Router is configured correctly , check your Int ernet connection (DSL/cable modem, etc .) to see if it is working correctly . Y ou can remove the Router to verify a direct connection. • Manually configure the TCP/IP with a DNS address provided by your ISP . •[...]

40 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router I set up an Unr eal T ournament Ser ver , but others on the LAN cannot join. What do I need to do? If you have a dedicated Unreal T our nament server running, you need to create a static IP for each of the LAN computers and forward ports 7777, 7778, 7779, 7780, 7781, and 27[...]

41 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router new features that you would like to use . Downloading a more current version of Router fir mwar e will not enhance the quality or speed of your Internet connection, and m ay disrupt your current connection stability . Will the Rout er function in a Macintosh environment? Y [...]

42 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router How can I check whether I have static or DHCP IP addresses? Ask your ISP to find out. How do I g et mIRC to work with the Router ? Under the Setup => Forwarding tab , set port fo rwarding to 113 for the PC on which you are using mIRC. If your questions are not addressed [...]

43 Appendix B: Upgradin g Firmware Broadband Router Appendix B: Upgrading Firmware Y ou can use the Router’s W e b-based Utility to upgrade the firmware; however , if you do so , you may lose the settings you have configured on the Router . T o upgrade the Route r’ s firmware , follow these instructions: 1. Download the Router’ s firmware upg[...]

44 Appendix C: Findi ng the MAC Ad dress an d IP Address for Your Ethernet Adapter Windows 98 or Me Instructions 10/100 4-P ort VPN Router Appendix C: Finding the MAC Address and IP Address for Y our Ethernet Adapter This section describes how to find the MAC address for your computer’s Ethernet adapter so you can use the MAC address cloning feat[...]

45 Appendix C: Findi ng the MAC Ad dress an d IP Address for Your Ethernet Adapter For the Router’s Web-based Utility 10/100 4-P ort VPN Router 3. Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet adapter . This appears as a series of numbers and letters. The MAC address/Physical Address is [...]

46 Appendix D: Using the RT0 42 Utility Starting the Utility Broadband Router Appendix D: Using the RT042 Utilit y While many of the Router’s functions can be utilized th rough the W eb-based Utility , a separate utility also comes on the Router’s CD . This RT042 Utility is mor e graphically oriented and can do many , though not all, of the thi[...]

47 Appendix D: Using the RT0 42 Utility Router Information Broadband Router Router Information Clicking on the image of the Router will open up the Router Information screen. The left side of this screen gives general statistics about the Router: Serial Number , Firmware Version, and Internet Connection types as well as ba ndwidth for each Internet[...]

48 Appendix D: Using the RT0 42 Utility Usage Configuration Screens Broadband Router Right Mouse click opt ions : Select the PC, click the right mouse button, and the follow ing tools will be available . • View button: Click View Scheduler / View Hit Rate / View Usage / View Perfor mance Optimization button to view the page of the user’s passpo[...]

49 Appendix D: Using the RT0 42 Utility Usage Configuration Screens Broadband Router On-Line Scheduler From the schedule , you can restrict or allow access to the Internet. Select any day in the schedule or hours of time . T o refresh the infor mation on the screen, click the Refresh button. If you need help on-line, click the Help button. Click Sa[...]

50 Appendix D: Using the RT0 42 Utility Usage Configuration Screens Broadband Router Real Time Usage From this screen, you can view which applications are taking up the most bandwidth on your network, according to user , and block those sites if you wish. Application information is displayed in ranking order , from most viewed to least viewed, with[...]

51 Appendix E: The Setup Wiza rd Broadband Router Appendix E: The Setup Wizard While the Broadband Router can be set up using the W eb-based Utility , Inter net connection can also be set up using the Setup Wizard, located on the Network screen of the Basic Setup tab . This wizard will walk you through the steps necessary to set u p your Internet c[...]

52 Appendix E: The Setup Wiza rd Broadband Router 3. From the next screen, choose your W AN (or Inte rnet) connection type . Obtain an IP automatically is c hosen by default. Click Next to continue . Click Previous if you w ant to return to the previous screen. Click Exit if you want to exit the wizard. 4. The next screen that appears depends on yo[...]

53 Appendix E: The Setup Wiza rd Broadband Router If you chose Static IP , the Static IP screen appears. Enter the Static IP , Subnet Mask , and Default Gateway provided by your ISP . Click Next to continue . Click Previous if you want to return to the previous screen. Click Exit if you want to e x it the wizard. If you chose PPPoE, the PPPoE scree[...]

54 Appendix F: Wind ow s Help Broadband Router Appendix F: Windows Help All Linksys networking 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 appendix. TCP/IP Befor[...]

55 Appendix G: Glossary Broadband Router Appendix G: Glossar y Adapter - A device that adds ne twork functionality to your PC. Bandwidth - Th e transmission capacity of a given device or network. Bit - A binar y digit. Boot - T o start a device and cause it to start executing instructions. Broadband - An always-on, fast Internet connection. Browser[...]

56 Appendix G: Glossary Broadband Router Dynamic IP Address - A temporar y IP address assigned by a DHCP server . Ethernet - A network protocol that specifies how data is placed on and retrieved from a common transmission medium. Firewall - A set of related programs located at a network gateway server that protects the resources of a network from u[...]

57 Appendix G: Glossary Broadband Router Network - A series of computers or devices connect ed for the purpose of data sharing, storage , and/o r transmission between users. Node - A network junction or connection point, typically a computer or work sta tion. P acket - A unit of data sent over a network. Ping ( P acket IN ter net G roper) - An Inte[...]

58 Appendix G: Glossary Broadband Router TCP/IP ( T ransmission C ontrol P rotocol/ I nternet P rotocol) - A set of instructions PCs use to commu nicate over a network. TFTP ( T rivial F ile T ransfer P rotocol) - A version of the TCP/IP FTP protocol that has no director y or password capability . UDP ( U ser D atagram P rotocol) - A network protoc[...]

59 Appendix H: Specifications Broadband Router Appendix H: Specifications Standards IEEE 802.3, 802.3u Ports Power , Internet, and Ethernet Button Reset Cabling T ype Cat-5 LEDs Ethernet, Internet1, In ter net2, Diag, and System UPnP able/cert able Security Features SPI, port, MAC, IP filter Dimensions 6.69" x 6.69" x 1.26" (W x H x [...]

60 Appendix I: Warranty Informati on Broadband Router Appendix I: Warrant y Information LIMITED WARRANTY Linksys warrants to Y ou that, for a period of one year (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' entire liabi[...]

61 Appendix J: Regulato ry Information Broadband Router Appendix J: Regulator y Information FCC Statement This product has been tested and complies with the specification s for a Class B digital device , pursua nt to Part 15 of the FCC Rules. These limits are designed to pr ovide reasonable protection against harmful interference in a residential i[...]

62 Appendix K: Contact Inf ormation Broadband Router Appendix K: 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 w ant to know more ab[...]