Linksys AG041 manuale d’uso

A Division of Cisco Systems, Inc . ® Model No . WIRED User Guide with 4-Port Switch A G041 (EU) ADSL Gatew a y[...]

ADSL Gatewa y with 4-P ort Switch 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 trade[...]

ADSL Gatewa y with 4-P ort Switch Table of Contents Chapter 1: Introduction1 Welcome 1 What’s in this Guide? 2 Chapter 2: Planning your Network 4 The Gateway’s Functions 4 IP Addresses 4 What is a VPN? 5 Why do I need a VPN? 6 Chapter 3: Getting to Know the ADSL Gateway 8 The Back Panel 8 The Front Panel 9 Chapter 4: Connecting the ADSL Gateway[...]

ADSL Gatewa y with 4-P ort Switch Windows 98 or Me Instructions 62 Windows 2000 or XP Instructions 63 Appendix D: Upgrading Firmware 64 Appendix E: Windows Help 65 Appendix F: Glossary 66 Appendix G: Specifications 70 Appendix H: Warranty Information 71 Appendix I: Regulatory Information 72 Appendix J: Contact Information 73[...]

ADSL Gateway with 4-P ort Switch List of Figures Figure 2-1: A Network with the Gateway 4 Figure 2-2: Computer-to-VPN Gateway 6 Figure 2-3: VPN Gateway-to-VPN Gateway 7 Figure 3-1: Back Panel 8 Figure 3-2: Front Panel 9 Figure 4-1: Connect your network 10 Figure 4-2: Connect your ADSL modem 10 Figure 4-3: Connect power 11 Figure 5-1: Password Scree[...]

ADSL Gateway with 4-P ort Switch Figure 5-23: Applications & Gaming - Port Triggering 30 Figure 5-24: Applications & Gaming - DMZ 31 Figure 5-25: Administration tab - Management 32 Figure 5-26: Administration tab - Reporting 34 Figure 5-27: Adminstratio n tab - Diagnostics 35 Figure 5-28: Administration tab - Factory Defaults 35 Figure 5-29[...]

ADSL Gateway with 4-P ort Switch Figure B-23: New Preshared Key 59 Figure B-24: Tunnel Setting Tab 59 Figure B-25: Connection Type 60 Figure B-26: Rules 60 Figure B-27: Local Computer 60 Figure B-28: VPN Tab 61 Figure C-1: IP Configuration Screen 62 Figure C-2: MAC Address/Adapter Address 62 Figure C-3: MAC Address/Physical Address 63 Figure D-1: U[...]

1 Chapter 1: Introductio n Welcome ADSL Gatewa y with 4-P ort Switch Chapter 1: Introduction We l c o m e Thank you for choosing the ADSL Gateway with 4-Port Switch . This Gatew ay will allow your computers to share a high-speed Internet connection with its built-in m odem, as well as share resources, including files and printers, through its built[...]

2 Chapter 1: Introductio n What’s in this Guide? ADSL Gatewa y with 4-P ort Switch What’ s in this Guide? This user guide covers the steps for setting up and using the ADSL Gateway . • Chapter 1: Introduction This chapter describes the ADSL Gateway and its documentation. • Chapter 2: Planning your Network This chapter describes the basics o[...]

3 Chapter 1: Introductio n What’s in this Guide? ADSL Gatewa y with 4-P ort Switch • Appendix G: Specifications This appendix provides the technical specifications for the Gateway . • Appendix H: Warranty Information This appendix supplies the warranty information for the Gateway . • Appendix I: Regulatory Infor mation This appendix supplie[...]

4 Chapter 2: Planning your Network The Gateway’s Functions ADSL Gatewa y with 4-P ort Switch Chapter 2: Planning your Network The Gatewa y’ s Functions A Gateway is a network device that connects two networks together . In this instance , the Gateway connects your Local Area Ne twork (LAN), or the group of com puters in your home or office , to[...]

5 Chapter 2: Planning your Network What is a VPN? ADSL Gatewa y with 4-P ort Switch Since you use the Gateway to share your DSL Internet connection, contact your ISP to find out if they have assigned a static IP address to your account. If so, you will need that static IP address when configuring the Gateway . Y ou can get that in formation from yo[...]

6 Chapter 2: Planning your Network Why do I need a VPN? ADSL Gatewa y with 4-P ort Switch telecommuters, and/or professionals on the road (traveler s can connect to a VPN Gateway using any computer with VPN client software that supports IPSec , such as SSH Sentinel.) There are two basic w ays to create a VPN connection: • VPN Gateway to VPN Gatew[...]

7 Chapter 2: Planning your Network Why do I need a VPN? ADSL Gatewa y with 4-P ort Switch data inside of a local network. But what do you do once information is sent ou tside of your local network, when emails are sent to their destination, or when you have to connect to your company's network when you are out o n the road? How is your data pr[...]

8 Chapter 3: Getting to Know the ADSL Gateway The Back Panel ADSL Gatewa y with 4-P ort Switch Chapter 3: Getting to Know the ADSL Gateway The Back P anel The Gateway’ s ports, where a network cable and DSL cable are connected, are located on the b ack panel. The Gateway’ s buttons are also located on the back panel. LINE The LINE port connects[...]

9 Chapter 3: Getting to Know the ADSL Gateway The Front Panel ADSL Gatewa y with 4-P ort Switch The Front P anel The Gateway's LEDs, where information about network activity is displayed, are located on the front panel. Po w e r Green. The Power LED lights up when the Gatew ay is powered on. Ethernet (1-4) Green. The Ethernet LEDs ser ve two p[...]

10 Chapter 4: Connecting th e ADSL Gateway Overview ADSL Gatewa y with 4-P ort Switch Chapter 4: Connecting the ADSL Gateway Overview The Gateway’ s setup consists of more than simply plugging hardware together . Y ou w ill have to configure your networked computers to accept the IP addresses that the Gateway assigns them (if applicable), and you[...]

11 Chapter 4: Connecting th e ADSL Gateway Connecting to a Computer ADSL Gatewa y with 4-P ort Switch 5. Connect the power adapter to the Gateway’ s Power port, a nd then plug the power adapter into a power outlet. T urn the On/Off switch to On. • The Power LED on the front panel will light up green as soo n as the power adapter is connected pr[...]

12 Chapter 5: Configuring th e ADSL Gateway Overview ADSL Gatewa y with 4-P ort Switch Chapter 5: Configuring the ADSL Gateway Overview Follow the steps in this chapter and use the Gateway’ s w eb-based utility to configure the Gateway . This chapter will describe each web page in the Utility and each page’s key functions. The utility can be ac[...]

13 Chapter 5: Configuring th e ADSL Gateway How to Access the Web-based Utility ADSL Gatewa y with 4-P ort Switch Applications & Ga ming • Single Port Forwarding. Use this screen to set up common services or applications on your network. • Port Range Forwarding. T o set up public ser vices or ot her specialized Inter net applications on you[...]

14 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch The Setup T ab Basic Setup The first screen that appears is the Basic Setup tab . Th is tab allows you to change the Gateway's general settings. Change these settings as described here and click the Save Settings butto n to save your changes or Cancel C[...]

15 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch RFC 1483 Bridged Dynamic IP IP Settings. Select Ob tain an IP Address Automa tically if your ISP says you are connecting through a dynamic IP address. Static IP If you are required to use a permanent IP address to connect to the Internet, then select Use the[...]

16 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch RFC 1483 Routed If you are required to use RFC 1483 Routed, then select RFC 1483 Routed . • IP Address. This is the Gateway’ s IP address, when seen from the WA N, or the Internet. Y our ISP will provide you with the IP Address you need to specify here .[...]

17 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch RFC 2364 PPP oA Some DSL-based ISPs use P PPoA (Point-to-Point Protocol over A TM) to establish Inter net connections. If your ISP uses a PPPoA, enable PPPoA. • User Name and Password. Enter the User Name and Password provided by your ISP . • Connect on [...]

18 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch Optional Settings (Required by some ISPs) • Host Name and Domain Name. These fields allo w you to supply a host and domain name for the Gateway . Some ISPs require these names as identification. Y ou ma y have to check with your ISP to see if your broadban[...]

19 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch • Time Setting . This is where you set the time zone for your Gateway . When finished making your changes on this tab, click the Sa ve Settings button to save these changes, or click the Cancel Changes button to undo your chan ges. DDNS The Gateway offers [...]

20 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch Advanced Routing The Advanced Routing screen allows you to configure t he d ynamic routing and static routing settings. Advanced Routing • Dynamic Routing. With Dynamic Routing you can enable the Gateway to automatically adjust to physical changes in the n[...]

21 Chapter 5: Configuring th e ADSL Gateway The Setup Tab ADSL Gatewa y with 4-P ort Switch • Show Routing T able . Click the Show Routin g T able button to open a screen displaying how data is routed through your LAN. For each route , the Destination IP address, Subnet Mask, Gateway , and Interface are displayed. Click the Refresh button to upda[...]

22 Chapter 5: Configuring th e ADSL Gateway The Security Tab ADSL Gatewa y with 4-P ort Switch The Security T ab Fire wal l When you click the Security tab , you will see the Firewall scr een. This screen contains Filters and the option to Block W AN Requests. Filters block specific Internet data types and block anonymous Inter net requests. • Fi[...]

23 Chapter 5: Configuring th e ADSL Gateway The Security Tab ADSL Gatewa y with 4-P ort Switch VPN Virtual Private Networking (VPN) is a security measure t hat basically creates a secure connection between two remote locations. The VPN screen allows you to configure your VPN settings to make your network more secure . VPN Passthrough • IPSec Pass[...]

24 Chapter 5: Configuring th e ADSL Gateway The Security Tab ADSL Gatewa y with 4-P ort Switch type of encryption that is being used by the VPN device at the o ther end of the tunnel. Or , you may choose not to encrypt by selecting Disable. In the scr ee n shown, DES (which is the default) has been selected. • Authentication. Authentication acts [...]

25 Chapter 5: Configuring th e ADSL Gateway The Security Tab ADSL Gatewa y with 4-P ort Switch Advanced VPN T unnel Setup From the Advanced IPSec VPN T unnel Setup screen, you can adjust the settings for specific VPN tunnels. Phase 1 • Phase 1 is used to create a security association (SA), often called the IKE SA. After P hase 1 is completed, Pha[...]

26 Chapter 5: Configuring th e ADSL Gateway The Security Tab ADSL Gatewa y with 4-P ort Switch • Key Life Time . In the Key Lifetime field, you may select to have the key expire at the end of a time period of your choosing. Enter the number of seconds you’ d like the key to be used until a re-key negotiation between each endpoint is completed. [...]

27 Chapter 5: Configuring th e ADSL Gateway The Access Restrictions Tab ADSL Gatewa y with 4-P ort Switch The Access Restrictions T a b Internet Access The Access Restrictions tab allows you to blo ck or allow specific kinds of Inter net usage . Y ou can set up Internet access policies for specific computers and set up filters by using network port[...]

28 Chapter 5: Configuring th e ADSL Gateway The Access Restrictions Tab ADSL Gatewa y with 4-P ort Switch 2. Click the Edit List button. This will open the List of computers scre en. From this screen, you can enter the IP address or MAC address of any computer to which this policy will apply . Y ou can even enter ranges of computers by IP address. [...]

29 Chapter 5: Configuring th e ADSL Gateway The Applications and Gaming Tab ADSL Gatewa y with 4-P ort Switch The Applications and Gaming T a b Single Port Forwarding The Single Port Forwarding screen provides options for cu stomization of port services for common applications. When users send this type of request to your network via the Internet, [...]

30 Chapter 5: Configuring th e ADSL Gateway The Applications and Gaming Tab ADSL Gatewa y with 4-P ort Switch Port Range Forwar ding The Port Forwarding screen sets up public services on your network, such as web servers, ftp ser vers, e-mail servers, or other specialized Inter net applications. (Specialized Inter net applications are any applicati[...]

31 Chapter 5: Configuring th e ADSL Gateway The Applications and Gaming Tab ADSL Gatewa y with 4-P ort Switch DMZ The DMZ screen allows one local user to be exposed to the Inter net for use of a special-p urpose service such as Internet gaming and videoco nferencing through DMZ Hosting. DMZ hosting forwards all the ports for one computer at the sam[...]

32 Chapter 5: Configuring th e ADSL Gateway The Administration Tab ADSL Gatewa y with 4-P ort Switch Figure 5-25: Adminis tration tab - Manage ment The Administration T ab Management The Management screen allows you to change the Gateway’ s access settings as well as config ure the SNMP (Simple Network Management Protocol) and UPnP (Universal Plu[...]

33 Chapter 5: Configuring th e ADSL Gateway The Administration Tab ADSL Gatewa y with 4-P ort Switch UPnP UPnP allows Windows XP to automatically configure the Gateway for various Internet applications, such as gaming and videoconferencing. UPnp. T o enable UPnP , click Enabled . When finished making your changes on this tab , click the Save Settin[...]

34 Chapter 5: Configuring th e ADSL Gateway The Administration Tab ADSL Gatewa y with 4-P ort Switch Reporting The Reporting tab provides you with a log of all incoming and outgoing URLs or IP addresses for your Internet connection. It also provides logs for VPN and firewall events. Log Log. T o enable log reporting, click Enabled . • Logviewer I[...]

35 Chapter 5: Configuring th e ADSL Gateway The Administration Tab ADSL Gatewa y with 4-P ort Switch Diagnostics Ping T est Ping T est P arameters • Ping T arget IP . Enter the IP Address that you want to ping in the field. This can be e ither a local (LAN) IP or an Internet (WAN) IP address. • Ping Size . Enter the size of the ping pa ckets. ?[...]

36 Chapter 5: Configuring th e ADSL Gateway The Administration Tab ADSL Gatewa y with 4-P ort Switch Firmware Upgrade T o upgrade the Gateway’ s firmware: 1. Click the Browse button to find the firmware upgrade file t hat you downloaded from the international Linksys website and then extracted. 2. Double-click the firmware file you downloaded and[...]

37 Chapter 5: Configuring th e ADSL Gateway The Status Tab ADSL Gatewa y with 4-P ort Switch The Status T ab Gateway This screen displays information about you r Gateway and its W A N (Internet) Connections. Gateway Information Gateway Information displays the Software V ersion, MAC Address, and Current Time . Internet Connections The Internet Conn[...]

38 Chapter 5: Configuring th e ADSL Gateway The Status Tab ADSL Gatewa y with 4-P ort Switch Local Network The Local Network information that is displayed is the Loc al Mac Address, IP Address, Subnet Mask, and DHCP Server . T o view the DHCP Clients T ab le , click the DHCP Clients button. DHCP Clients T able . Click the DHCP C lients T able butto[...]

39 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch Appendix A: Troubleshooting This appendix consists of two parts: “Common Problems and Solutions” and “F requently Asked Questions. ” Provided are possible solutions to problems that may occu r during the installation and operation of the Gateway[...]

40 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch 7. T ow ard the bottom of the window , select Use the following DNS ser ver addresses, and enter the Preferred DNS server and Alternative DNS ser ver (pro vided by your ISP). Contact your ISP or go on its website to find the information. 8. Click the OK[...]

41 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch B . Open a command prompt. For Windows 98 and Me: • Click Start and Ru n . In the Open field, type in command. Press the Enter key or click the OK button. For Windows NT , 2000, and XP: • Click Star t and Run . In the Open field, type cmd. Press the[...]

42 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch 4. I am not able to access the Se tup page of the Gateway’ s web-based utility . • Refer to “Problem #2, I want to test my Internet c onnection” to ve rify that your computer is properly connected to the Gateway . 1. Refer to “ Appendix C: Fin[...]

43 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch 6. I need to set up a serve r behind m y Gateway and make it available to t he public. T o use a server like a web , ftp, or mail server , you need to know the respective port numbers they are using. For example , port 80 (HTTP) is used for web; port 21[...]

44 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch 5. Enter the IP address of the computer or network device that you want the port server to go to. For example , if the web server ’ s Ether net Adapter IP address is 192.168.1.100, you would enter 100 in the field provided. Check “ Appendix C: Findi[...]

45 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch 10. I am a PPPoE user , an d I n eed to remove the pr oxy se ttings or the dial-up pop-up wi ndow . If you have proxy settings, you need to disable these on your computer . Because the Gateway is the gateway for the Internet connection, the computer doe[...]

46 Appendix A: Troublesh ooting Common Problems and So lutions ADSL Gatewa y with 4-P ort Switch Subnet Mask: 255.255.255.0 Gateway: 192.168.1.1 • Perform the upgrade using the TFTP program or the Gate way’ s web-based utility through its Administration tab. 14. My DSL service’ s PPPoE is alwa ys disconnecting. PPPoE is not actually a dedicat[...]

47 Appendix A: Troublesh ooting Frequently Asked Questions ADSL Gatewa y with 4-P ort Switch 16. The Pow er LED flas hes continuousl y . The Power LED lights up when the device is first powered up. In the meantime , the system will boot u p itself and check for proper operation. After finishing the checking procedure , the LED remains steady to sho[...]

48 Appendix A: Troublesh ooting Frequently Asked Questions ADSL Gatewa y with 4-P ort Switch Does the LAN connection of the Ga teway support 100Mbps Ethernet ? The Gateway supports 100Mbps over the auto-sensing Fast Ethernet 10/100 switch on the LAN side of the Gateway . What is Network Address T ranslation and what is it used for? Network Address [...]

49 Appendix A: Troublesh ooting Frequently Asked Questions ADSL Gatewa y with 4-P ort Switch The web page hangs; downloads are corrupt, or nothi ng but junk characters are being displayed on the screen. Wha t do I need to do? Force your Ethernet Adapter to 10Mbps, and turn off the “ A uto-negotiate” feature of your Ethernet Adapter as a tempora[...]

50 Appendix A: Troublesh ooting Frequently Asked Questions ADSL Gatewa y with 4-P ort Switch Is the Gateway cross-platform compatible? Any platform that supports Ether net and TCP/IP is compatible with the Gateway . How many ports can be simultan eously forwarded? Theoretically , the Gateway can establish 520 sessions at the same time , but you can[...]

51 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway Introduc tion ADSL Gatewa y with 4-P ort Switch Appendix B: Configuring IPSec between a Windows 2000 or XP Computer and the Gateway Introduction This document demonstrates how to establish a secure IPSec tunnel using preshared keys to join a private network insi[...]

52 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch How to Establish a Secure IPSec T unnel Step 1: Create an IPSec Polic y 1. Click the Start button, select Ru n , and type secpol.msc in the Open field. The Local Security Setting screen wil[...]

53 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch 3. The Filters Properties screen will appear . Select the Addressing tab . In the Source address field, select My IP Address . In the Destination address field, select A specific IP Subnet [...]

54 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch 7. The IP Filter List screen should appear . Enter an appropriate name, su c h as Router ->win for the filter list, and de-select the Use Add Wizard check box. Click the Add button. 8. T[...]

55 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch Step 3: Configure Indi vidual T unnel Rules T unnel 1: win->Router 1. From the IP Filter List tab , click the filter list win->Router . 2. Click the Filter Action tab , and click the [...]

56 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch 4. Select the Authenticatio n Methods tab , an d click the Edit button. 5. Change the authentication method to Use this string to protect the key exchange (preshar ed key) and enter the pre[...]

57 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch 7. Select the T unnel Setting tab and click The tunnel end point is specifie d by this IP Address radio button. Then, enter the Router’s W AN IP Address. 8. Select the Connection T ype ta[...]

58 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch 10. Go to the IP Filter List tab , and click the filter list Router ->wi n . 11. Click the Filter Action tab, and select the filter action Require Security . Then, click the Edit button.[...]

59 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch 13. Change the authentication method to Use this string to pr otect the key exchange (preshared k ey) , and enter the preshared key string, such as XYZ12345. (This is a sample k ey string. [...]

60 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch 16. Click the Co nnection T ype tab , and select All network connections . Then clic k the OK or Close butto n to finish. 17. From the Rules tab , click the OK or Close button to return to [...]

61 Appendix B: Configuring IPSec betwe en a Windows 2000 or XP Computer and the Gateway How to Establish a Secure IPSec Tunnel ADSL Gatewa y with 4-P ort Switch Step 5: Create a T unnel Thro ugh the Web-Based Utility 1. Open your web browser , and enter 192.168.1.1 in the Address field. Press the En te r key . 2. When the User name and Password fie[...]

62 Appendix C: Findi ng the MAC Ad dress an d IP Address for Your Ethernet Adapter Windows 98 or Me Instructions ADSL Gatewa y with 4-P ort Switch 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 filtering fe[...]

63 Appendix C: Findi ng the MAC Ad dress an d IP Address for Your Ethernet Adapter Windows 2000 or XP Instructions ADSL Gatewa y with 4-P ort Switch 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. 2. At the command prompt, enter ipcon fig /all . Then press the Ente[...]

64 Appendix D: Upgradin g Firmware ADSL Gatewa y with 4-P ort Switch Appendix D: Upgrading Firmware The Gateway's firmware is upgraded through the Web-Utility's Firmware Upgrade tab from the Administration tab . Follow these instructio ns: 1. Click the Browse button to find the firmware upgrad e file that you downloaded from the Linksys i[...]

65 Appendix E: Windows Help Wireless-G ADSL Gateway Appendix E: Windows Help 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 Win dows Help and are described in this appendix. TCP/IP Before a computer can communicate within a network, TCP/IP[...]

66 Appendix F: Glossary ADSL Gatewa y with 4-P ort Switch Appendix F: Glossar y Adapter - This is a device that adds network functionality to you r computer . Bit - A binar y digit. Boot - T o start a device and cause it to start executing instructions. Bridge - A device that connects two different kinds of local networks, such as a wireless networ[...]

67 Appendix F: Glossary ADSL Gatewa y with 4-P ort Switch Dynamic IP Address - A temporar y IP address assigned by a DHCP server . Encryption - Encoding data transmitted in a network. Ethernet - IEEE standard network protocol that specifies how data is placed on and retrieved from a comm on transmission medium. Firewall - A set of related programs [...]

68 Appendix F: Glossary ADSL Gatewa y with 4-P ort Switch NA T ( N etwork A ddress T ranslation) - NA T technology translates IP addresses of a local area netw ork to a different IP address for the Internet. Network - A series of computers or devices connect ed for the purpose of data sharing, storage , and/o r transmission between users. Node - A [...]

69 Appendix F: Glossary ADSL Gatewa y with 4-P ort Switch 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 pr[...]

70 Appendix G: Specification s ADSL Gatewa y with 4-P ort Switch Appendix G: Specifications Standards IEEE 802.3, IEEE 802.3u, G.992.1 (G .dmt), G.992.2 (G .lite), T1.413i2 Ports Power , LINE (ADSL), Ethernet (1-4) Buttons Reset, Po wer Switch Cabling T ype CA T 5 UTP (Etherne t), Standard T elephone (ADSL) LEDs Power , Ethernet (1-4), DSL, Inter n[...]

71 Appendix H: Warranty Informat ion ADSL Gateway with 4-P ort Switch Appendix H: Warrant y Information LIMITED W ARRANTY Linksys wa rrants to Y ou that, for a pe riod of three y ears (the “W arranty Period”), y our Linksys Produc t will be substantially free of defec ts in materials and w orkmanship un der normal use . Y our exclusive remed y [...]

72 Appendix I: Regulatory Informa tion ADSL Gateway with 4-P ort Switch 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. These limits are designed to provide reasonable protection against harmful interfe rence in [...]

73 Appendix J: Contact Informa tion ADSL Gateway with 4-P ort Switch Appendix J: Contact Information Need to contact Linksys? Visit us online for information on the latest pro ducts and updates to your existing products at: http://www .linksys.com/international If you experience problems with any Linksys product, you can e-mail us at: In Europe E-m[...]