Linksys RT41P2-AT manual

A Division of Cisco Systems, Inc . ® Model No . WIRED with 2 Phone Ports Br oadband Router RT 4 1 P 2 - A T User Guide[...]

Broadband Router with 2 Phone P orts 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 © 2004 Cisco Systems, Inc. All rights reserved. Other brands and product names are tr[...]

Broadband Router with 2 Phone P orts Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 2 Chapter 2: Networking Basics 4 An Introduction to Local Area Networks 4 The Use of IP Addresses 4 Chapter 3: Getting to Know the Router 6 The Back Panel 6 The Front Panel 7 Chapter 4: Connecting the Router 8 Overview 8 Connecting the[...]

Broadband Router with 2 Phone P orts The Status Tab - Router 35 The Status Tab - Local Network 36 The Status Tab - Voice 37 Chapter 6: Signing up for AT&T CallVantage sm Service 38 Overview 38 Instructions 38 Appendix A: Troubleshooting 39 Common Problems and Solutions 39 Frequently Asked Questions 49 Appendix B: Finding the MAC Address and IP [...]

Broadband Router with 2 Phone P orts List of Figures Figure 3-1: Back Panel 6 Figure 3-2: Front Panel 7 Figure 4-1: Connect the Broadband Modem 8 Figure 4-2: Connect a Telephone 8 Figure 4-3: Connect a PC 8 Figure 4-4: Connect the Power 8 Figure 4-5: Router Connected to Another Router 9 Figure 4-6: Connect the Broadband Modem 10 Figure 4-7: Connect[...]

Broadband Router with 2 Phone P orts Figure 5-18: Administration Tab - Management 29 Figure 5-19: Administration Tab - Log 31 Figure 5-20: Administration Tab - Diagnostics 32 Figure 5-21: Ping Test 32 Figure 5-22: Traceroute Test 32 Figure 5-23: Administration Tab - Factory Defaults 33 Figure 5-24: Administration Tab - Backup and Restore 34 Figure [...]

1 Chapter 1: Introductio n Welcome Broadband Router with 2 Phone P orts Chapter 1: Introduction We lc o me Thank you for choosing the Broadband Router with 2 Phone Ports. This Router will allow your computers to share a high-speed Internet connection as well as resources, including files and printers. And after you have set up your Internet phone s[...]

2 Chapter 1: Introductio n What’s in this Guide? Broadband Router with 2 Phone P orts What’ s in this Gu ide? This user guide covers the basic steps for setting up a network with a router . After going through “Chapter 3: Getting to Know the Router , ” most users will only need to use the following chapters: • Chapter 4: Connecting the Ro[...]

3 Chapter 1: Introductio n What’s in this Guide? Broadband Router with 2 Phone P orts • Appendix D: Glossary This appendix gives a brief glossar y of terms frequently used in networking. • Appendix E: Specifications This appendix provides the technical specifications for the Router . • Appendix F: Warranty Information This appendix supplies[...]

4 Chapter 2: Networking Basics An Introduction to Local Area Networks Broadband Router with 2 Phone P orts Chapter 2: Networking Basics An Introduction to Local Ar ea Networks Simply put, 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 ,[...]

5 Chapter 2: Networking Basics The Use of IP Addresses Broadband Router with 2 Phone P orts 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 calle[...]

6 Chapter 3: Getting to Kn ow the Router The Back Panel Broadband Router with 2 Phone P orts Chapter 3: Getting to Know the Router The Back P anel The Router’s ports and the Reset button are located on the back panel of the Router . Internet This Internet port connects to your cable or DSL modem. Phone1 For your primary Inter net phone line , the[...]

7 Chapter 3: Getting to Kn ow the Router The Front Panel Broadband Router with 2 Phone P orts The Front P anel The Router’ s LEDs, which inform you about netwo rk activities, are located on the front panel. Po w e r Green. The P ower LED lights up when the Router is powered on. If the LED is fla shing , the Router is booting up or running a syste[...]

8 Chapter 4: Connecting the Rou ter Overview Broadband Router with 2 Phone P orts Chapter 4: Connecting the Router Overview This chapter includes two sets of instructions. If the Broa dband Router with 2 Phone Ports will be the only router in your network, follow the instructions in “Connecting the Router to Y our Broadband Modem. ” If you alre[...]

9 Chapter 4: Connecting the Rou ter Connecting One Route r to Another Broadband Router with 2 Phone P orts Connecting One Router to Another If you already have a router (for example , a wireless router) and want to add the Broadband Router with 2 Phone Ports, then you should use the Broadband Router with 2 Ph one Ports as your primary router so the[...]

10 Chapter 4: Connecting the Rou ter Connecting One Route r to Another Broadband Router with 2 Phone P orts T o connect the Broadband Router with 2 Phone Port s to another router , follow these instructions: 1. Make sure that all of your hardwar e is powered off , including both routers, PCs, an d broadband modem. 2. Disconnect your existing router[...]

11 Chapter 5: Configuring th e Router Overview Broadband Router with 2 Phone P orts Chapter 5: Configuring the Router Overview Linksys recommends using the Setup CD-ROM for first-time installation of the Router . If you do not wish to run the Setup Wizard on the Setup CD-ROM, then you can use the Web-based Utility to configure the Router . For adva[...]

12 Chapter 5: Configuring th e Router Overview Broadband Router with 2 Phone P orts Security • Firewall. On this screen, you can configure a variety of filters to enhance the security of your network. • VPN. T o enable or disable IPSec , PPTP , and/or L2TP Passthrough, use this screen. Access Restrictions • Internet Access. This screen allows[...]

13 Chapter 5: Configuring th e Router How to Access the Web-based Utility Broadband Router with 2 Phone P orts How to Access the W eb-based Utility T o access the Web-based Utility of the Router , lau nch Internet Explorer or Netscape Navigator , and enter the Router’ s default IP address, 192.168.15.1 , in the Addr ess field. Press the Enter key[...]

14 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p Broadband Router with 2 Phone P orts Static IP If you are required to use a permanent IP address, then select Static IP . Internet IP Ad dress . This is the IP address that the Router has, when seen from the Internet. Y our ISP will provide you with the IP Address you need to specif[...]

15 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p Broadband Router with 2 Phone P orts PPTP Point-to-Point T unneling P roto col (PPTP) is a service that applies to conn ections in Europe and Israel only . Internet IP Ad dress . This is the IP address that the Router has, when seen from the Internet. Y our ISP will provide you with[...]

16 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p Broadband Router with 2 Phone P orts desired. It is recommended that you leave this value in the 1200 to 1500 range . For most DSL users, it is recommended to use the value 1492. By default, MTU is set at 1500 when disabled. Network Setup The Network Setup section allows you to chan[...]

17 Chapter 5: Configuring th e Router The Setup Tab - Basic Setu p Broadband Router with 2 Phone P orts WINS . The Windows Internet Naming Service (WINS) converts NetBIOS nam es to IP addresses. If you use a WINS server , enter that ser ver’ s IP ad dress here . Otherwise , leave this field blank. Time Setting Tim e Z on e . Select the time zone [...]

18 Chapter 5: Configuring th e Router The Setup Tab - DDNS Broadband Router with 2 Phone P orts 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. It is useful when you are hosting your own website, FTP server , or other server be[...]

19 Chapter 5: Configuring th e Router The Setup Tab - MAC Ad dress Clone Broadband Router with 2 Phone P orts 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, like a social security number . Some ISPs will require you to register a MAC address in order to access the Inte[...]

20 Chapter 5: Configuring th e Router The Security Tab - Firewall Broadband Router with 2 Phone P orts The Security T ab - Firewall When you click the Security tab , you will see the Firewall screen. The Router’s firew all enhances the security of your network. Y ou can also enable a variety of filters to further protect your network and block an[...]

21 Chapter 5: Configuring th e Router The Security Tab - VPN Broadband Router with 2 Phone P orts The Security T ab - VPN The VPN screen allows you to allow VPN tunnels using IPSec , PPTP , or L2TP protocols to pass through the Router . VPN Passthrough IPSec P assthrough . IPSec (Internet Protocol Security) is a suite of protocols used to im plemen[...]

22 Chapter 5: Configuring th e Router The Access Restrictions Tab - Internet Access Broadband Router with 2 Phone P orts The Access Restrictions T ab - Internet Access The Internet Access screen allows you to block or allow specific kinds of Internet usage and traffic, such as Internet access, designated ser vices, and websites during specific days[...]

23 Chapter 5: Configuring th e Router The Access Restrictions Tab - Internet Access Broadband Router with 2 Phone P orts 4. Click the Edit List of PCs button to select w hich PCs will be affected by the policy . The List of PCs screen will appear . Y ou can select a PC by MAC Address or IP Addre ss. Y ou can also ente r a range of IP Addresses if y[...]

24 Chapter 5: Configuring th e Router The Applications & Gamin g Tab - Port Range Forward Broadband Router with 2 Phone P orts The Applications & Gaming T ab - P ort Range Forwar d When you click the Applications & Gaming tab , you will see the Port Range Forward screen. Port range forwarding sets up public services on yo ur network, su[...]

25 Chapter 5: Configuring th e Router The Applications & Ga ming Tab - Port Trigger Broadband Router with 2 Phone P orts The Applications & Gaming T ab - P ort T rigger The Port T rigg er screen allows the Router to w atch outgoing data for specific port numbers. The IP address of the computer that sends the matching data is remembered by t[...]

26 Chapter 5: Configuring th e Router The Applications & G aming Tab - UPnP Forward Broadband Router with 2 Phone P orts The Applications & Gaming T ab - UPnP Forward The UPnP Forward screen displays preset application settings as well as options to customize port services for other applications. UPnP Forward Application . T en applications[...]

27 Chapter 5: Configuring th e Router The Applications & G aming Tab - UPnP Forward Broadband Router with 2 Phone P orts NNTP (Network News T ransfer Protocol). The protocol used to connect to Usenet groups on the Inter net. Usenet newsreaders support the NNTP protocol. SNMP (Simple Network Management Protocol). A widely used ne twork monitorin[...]

28 Chapter 5: Configuring th e Router The Applications & G aming Tab - DMZ Broadband Router with 2 Phone P orts The Applications & Gaming T ab - DMZ The DMZ screen allows one local user to be exposed to the Internet for use of a special-pu rpose service such as Internet gaming and videoco nferencing . DMZ hosting forwards all the ports at t[...]

29 Chapter 5: Configuring th e Router The Administration Ta b - Management Broadband Router with 2 Phone P orts The Administration T ab - Management When you click the Administration tab , you will see the Management screen. This screen al lows you to change the Router’ s access settings as well as configure the SNMP (Simple Netwo rk Ma nagement [...]

30 Chapter 5: Configuring th e Router The Administration Ta b - Management Broadband Router with 2 Phone P orts SNMP SNMP , Simple Network Management Protocol, is a network protocol that provides network administrators with the ability to monitor the status of the Router a nd receiv e notification of any critical events as they occur on the network[...]

31 Chapter 5: Configuring th e Router The Administration T ab - Log Broadband Router with 2 Phone P orts The Administration T ab - Log The Log screen provides you with a log of all incoming and outgoing URLs or IP addresses for your Intern et connection. Log Log . T o keep activity logs, select the Enable radio button. With logging enabled, you can[...]

32 Chapter 5: Configuring th e Router The Administration Tab - Diagnostics Broadband Router with 2 Phone P orts The Administration T ab - Diagnostics The diagnostic tests (Ping and T raceroute) allow you to check the connections of your network componen ts. Ping T est . The Ping test will check the status of a connection. Click the Ping button to o[...]

33 Chapter 5: Configuring th e Router The Administration Tab - Factory Defaults Broadband Router with 2 Phone P orts The Administration T ab - Factory Defaults The Factory D efaults screen allows you to restore the Router’ s configuration to its fa ctory default settings. Factory Defaults Restore Factory Defaults . T o clear all of the Router’s[...]

34 Chapter 5: Configuring th e Router The Administration Tab - Backup and Restore Broadband Router with 2 Phone P orts The Administration T ab - Backup and Restore The Backup and Restore screen allows you to back up and restore the Router’ s configuration. Backup and Restore Please select a file to restore . In the field provided, enter the name [...]

35 Chapter 5: Configuring th e Router The Status Tab - Rou ter Broadband Router with 2 Phone P orts The Status T ab - Router The Router screen displays information about th e Router and its current settings. Router Information Current Firmwar e Version . This shows the version and date of the firmware that is currently installed. Previous Firmware [...]

36 Chapter 5: Configuring th e Router The Status Tab - Loca l Network Broadband Router with 2 Phone P orts The Status T ab - Local Network The Local Network screen displays information about the local network. Local Network MAC Address . The MAC Address of the Router’ s LAN (local area network) interface is displayed here . IP Address . The Route[...]

37 Chapter 5: Configuring th e Router The Status Tab - Vo ice Broadband Router with 2 Phone P orts The Status T ab - Voice The Voice screen displays information about your Internet phone line(s). Auto Config Status Auto Confi g Status . Each time the Router boots up, it automatic ally checks to see if it has the latest configuration for Internet ph[...]

38 Chapter 6: Signing up for AT&T C allVantagesm Service Overview Broadband Router with 2 Phone P orts Chapter 6: Signing up for A T&T CallV antage sm Ser vice Overview After you have installed and configured the Router for y our Inter net connection, you can sign up for Internet phone service o r activate your account. Follow these instruc[...]

39 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts Appendix A: T roubleshooting This appendix provides solutions to problems that may occur during the installation and operation of the Router . Read the description below to solve your problems. If yo u can't find an answer here, c h eck the A T&[...]

40 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts 4. I’m trying to access the Router’ s Web-based Utility , but I do not see the login screen. Instead, I see a screen saying, “404 Forbidden. ” If you are using Windows Explorer , perfor m the following steps until you see the W eb-based Utili[...]

41 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts For Windows 2000: A. Click Start , Settings , and Control P anel . Double-click Network and Dial-Up Connections . B . Right-click the Local Area Connection that is associated with the Etherne t adapter you are using , a nd select the Properties optio[...]

42 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts 6. I want to test my Internet connec tion. A. Check your TCP/IP settin gs. For Windows 98 and Millennium: Refer to Windows Help for details. Make sure Obtain IP address automatically is selected in the settings. For Windows 2000: 1. Click Start , Set[...]

43 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts B . Open a command pro m pt. • For Windows 98 and Millennium, click Start and Run . In the Open field, type comman d . Press the Enter key or click the OK button. • For Windows 2000 and XP , click Start and Run . In the Open field, type cmd . Pre[...]

44 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts 8. I am not able to access the Router’ s Web-based Utility Setup page. A. Refer to “Problem #6, 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 [...]

45 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts A. Access the Router ’ s W eb-based Utility by going to http://192. 168.15.1 or the IP address of the Router . Go to the Applications & Gaming => P ort Range Forward tab . B . Enter any name you want to use for the Application. C. Enter the [...]

46 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts Check “ Appendix C: Finding the MAC Address and IP Ad dress for Y our Ethernet Adapter” for details on getting an IP address. F . Chec k the Enable option for the port services you want to use . Consider the examples below: When you have complete[...]

47 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts A. Access the Router’s web interface by going to http: //192.168.15. 1 or the IP address of the Router . Enter the default password admin , and click the Administration => Management tab . B . Enter a different p asswor d in the Router Password [...]

48 Appendix A: Troublesh ooting Common Problems and So lutions Broadband Router with 2 Phone P orts D . Click the Save Setting s button. E. Click the Status tab , and click the Connect button. F . Y ou may see the login status display a s Connecting. Press the F5 key to refresh the scr een, until you see the login status display as Connected. If th[...]

49 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router with 2 Phone P orts 19. When I enter a URL or IP address, I get a time-o ut error or am prompted to retry . Go through this checklist until your problem is solved: • Check if other PCs work. If they do, ensure that y our workstation’ s IP settings are correct (IP Addres[...]

50 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router with 2 Phone P orts What is the maximum number of IP ad dresses that the Router will support? The Router will support up to 253 IP addresses. Is IPSec P asst hrough supp orte d by the Router? Y es, enable or disable IPSec Passthrough on th e Security => VPN Passthrough t[...]

51 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router with 2 Phone P orts Can multiple gam ers on the LAN get on one game server and pla y simultaneousl y with ju st one public IP address? It depends on which network game or what kind of game server you are using. For example , Unreal T ournament supports multi-login with one [...]

52 Appendix A: Troublesh ooting Frequently Asked Questions Broadband Router with 2 Phone P orts What is DMZ H osting? Demilitarized Zone (DMZ) allows one IP address (computer) to be exposed to the Internet. Some ap plications require multiple TCP/IP ports to be open. It is recommended that you set your computer with a static IP if you want to use D[...]

53 Appendix B: Findin g the MAC Add ress and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions Broadband Router with 2 Phone P orts Appendix B: Finding the MA C 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 filtering[...]

54 Appendix B: Findin g the MAC Add ress and IP Address for Your Ethernet Adapter For the Router’s Web-based Utility Broadband Router with 2 Phone P orts 3. W rite down the Physical Address as sho wn on your computer screen; it is the MAC address for your Ether net adapter . This appears as a series of numbers and letters. The MAC address/Physica[...]

55 Appendi x C: Wind ows Help Broadband Router with 2 Phone P orts Appendix C: Windows Help Almost all 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 app[...]

56 Appendix D: Glossary Broadband Router with 2 Phone P orts Appendix D: Glossar y Adapter - A device that adds ne twork functionality to your PC. Backbone - The part of a network that connects most of the systems and networks together , and handles the most data. Bandwidth - Th e transmission capacity of a given device or network. Beacon Interval [...]

57 Appendix D: Glossary Broadband Router with 2 Phone P orts Default Gateway - A device that forwards Internet traffic from your local area network. DHCP ( D ynamic H ost C onfiguration P rotocol) - A networking protocol that allows administrators to assign temporary IP addresses to network computers by “leasing” an IP address to a user for a l[...]

58 Appendix D: Glossary Broadband Router with 2 Phone P orts Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at a time . Ha rdwa re - The physical aspect of co mputers, telecomm unications, and other information technology devices. HTTP ( H yper T ext T ransport P rotocol) - The communicat[...]

59 Appendix D: Glossary Broadband Router with 2 Phone P orts Ping ( P acket IN ter net G roper) - An Internet utility used to deter mine wh ether a particular IP address is online . POP3 ( P ost O ffice P rotocol 3 ) - A standard mail ser ver commonly used on the Internet. Po r t - The connection point on a compute r or networking device used for p[...]

60 Appendix D: Glossary Broadband Router with 2 Phone P orts Switch - 1. A data switch that connects computing devices to host compu ters, allowing a large number of devices to share a limited number of ports. 2. A device for making, breaking, or c hanging the connections in an electrical circuit. TCP ( T ransmission C ontrol P rotocol) - A network[...]

61 Appendix E: Specifications Broadband Router with 2 Phone P orts Appendix E: Specifications Model RT41P2-A T Standards IEEE 802.3 (10Bas eT), IEEE 802.3u (100BaseTX) Ports/Buttons One 10/100 RJ-45 Port for Broadband Modem, Four 10/100 RJ-45 Switched Port s, T wo RJ-11 Phone Ports, One Power Port, One Reset Button Cabling T ype RJ-45 Ethernet Cate[...]

62 Appendix E: Specifications Broadband Router with 2 Phone P orts Certifications FCC Operating T emp. 0ºC to 40ºC (32ºF to 104ºF) Storage T emp. -20ºC to 60ºC (-4ºF to 140ºF) Operating Humidity 10% to 85%, Non-Condensing Storage Humidity 5% to 90%, Non-Condensing[...]

63 Appendix F: Warranty Information Broadband Router with 2 Ph one P orts Appendix F: W arranty 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 Linksy[...]

64 Appendix G: Regulatory Informatio n Broadband Router with 2 Phone P orts 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 interferen[...]

65 Appendix H: Contact Inf ormation AT&T Broadband Router with 2 Phone P orts Appendix H: Contact Information AT & T Need to contact A T&T? If you have technica l, installati on, repair , or billin g questions, you can call A T&T at: 24-hour: 1-866-596-8464 (toll-free from US and Canada) T o e-mail your questions, visit A T&T on[...]