Cisco LINKSYS WAG54GS (EU) User's Guide

A Division of Cisco Systems, Inc.®Model No.ADSL GatewayWireless-GWAG54GUser GuideWIRELESSGHz2.4802.11g

3Chapter 1: IntroductionWhat’s in this Guide?Wireless-G ADSL Gateway• Appendix G: SpecificationsThis appendix provides the technical specifications fo

4Chapter 2: Planning your NetworkThe Gateway’s FunctionsWireless-G ADSL GatewayChapter 2: Planning your NetworkThe Gateway’s FunctionsA Gateway is a n

5Chapter 2: Planning your NetworkWhat is a VPN?Wireless-G ADSL GatewaySince you use the Gateway to share your DSL Internet connection, contact your IS

6Chapter 2: Planning your NetworkWhy do I need a VPN?Wireless-G ADSL Gatewaytelecommuters, and/or professionals on the road (travelers can connect to

7Chapter 2: Planning your NetworkWhy do I need a VPN?Wireless-G ADSL Gatewayprotect data inside of a local network. But what do you do once informatio

8Chapter 3: Getting to Know the Wireless-G ADSL GatewayThe Back PanelWireless-G ADSL GatewayChapter 3: Getting to Know the Wireless-G ADSL GatewayThe

9Chapter 3: Getting to Know the Wireless-G ADSL GatewayThe Front PanelWireless-G ADSL GatewayThe Front PanelThe Gateway's LEDs, where information

10Chapter 4: Connecting the Wireless-G Broadband GatewayOverviewWireless-G ADSL GatewayChapter 4: Connecting the Wireless-G Broadband GatewayOverviewT

11Chapter 4: Connecting the Wireless-G Broadband GatewayWired Connection to a ComputerWireless-G ADSL GatewayWired Connection to a Computer1. Before y

12Chapter 4: Connecting the Wireless-G Broadband GatewayWireless Connection to a ComputerWireless-G ADSL Gateway2. Connect a phone cable from the ADSL

Wireless-G ADSL GatewayCopyright and TrademarksSpecifications are subject to change without notice. Linksys is a registered trademark or trademark of

13Chapter 5: Configuring the GatewayOverviewWireless-G ADSL GatewayChapter 5: Configuring the GatewayOverviewFollow the steps in this chapter and use

14Chapter 5: Configuring the GatewayOverviewWireless-G ADSL Gateway• VPN. To enable or disable IPSec and/or PPTP Pass-through, and set up VPN tunnels,

15Chapter 5: Configuring the GatewayHow to Access the Web-based UtilityWireless-G ADSL GatewayHow to Access the Web-based UtilityTo access the web-bas

16Chapter 5: Configuring the GatewayThe Setup TabWireless-G ADSL GatewayStatic IPIf you are required to use a permanent IP address to connect to the I

17Chapter 5: Configuring the GatewayThe Setup TabWireless-G ADSL GatewayRFC 1483 RoutedIf you are required to use RFC 1483 Routed, then select RFC 148

18Chapter 5: Configuring the GatewayThe Setup TabWireless-G ADSL GatewayRFC 2364 PPPoA Some DSL-based ISPs use PPPoA (Point-to-Point Protocol over ATM

19Chapter 5: Configuring the GatewayThe Setup TabWireless-G ADSL Gateway• MTU. The MTU (Maximum Transmission Unit) setting specifies the largest packe

20Chapter 5: Configuring the GatewayThe Setup TabWireless-G ADSL GatewayThe DDNS TabThe Gateway offers a Dynamic Domain Name System (DDNS) feature. DD

21Chapter 5: Configuring the GatewayThe Setup TabWireless-G ADSL GatewayAdvanced Routing TabThe Advanced Routing screen allows you to configure the dy

22Chapter 5: Configuring the GatewayThe Setup TabWireless-G ADSL Gateway• Interface. Select LAN & Wireless or Internet, depending on the location

Wireless-G ADSL GatewayTable of ContentsChapter 1: Introduction 1Welcome 1What’s in this Guide? 2Chapter 2: Planning your Network 4The Gateway’s Fu

23Chapter 5: Configuring the GatewayThe Wireless TabWireless-G ADSL GatewayThe Wireless TabBasic Wireless Settings (See Figure 5-13.) This screen allo

24Chapter 5: Configuring the GatewayThe Wireless TabWireless-G ADSL Gatewaywith Windows XP Zero Configuration. If you want to communicate with non-Lin

25Chapter 5: Configuring the GatewayThe Wireless TabWireless-G ADSL GatewayAdvanced Wireless Settings (See Figure 5-17.) On this screen you can access

26Chapter 5: Configuring the GatewayThe Security TabWireless-G ADSL GatewayThe Security TabFirewallWhen you click the Security tab, you will see the F

27Chapter 5: Configuring the GatewayThe Security TabWireless-G ADSL GatewayVPNVirtual Private Networking (VPN) is a security measure that basically cr

28Chapter 5: Configuring the GatewayThe Security TabWireless-G ADSL Gateway• Encryption. Using Encryption also helps make your connection more secure.

29Chapter 5: Configuring the GatewayThe Security TabWireless-G ADSL GatewayAdvanced VPN Tunnel SetupFrom the Advanced IPSec VPN Tunnel Setup screen, s

30Chapter 5: Configuring the GatewayThe Security TabWireless-G ADSL Gateway• Key Life Time. In the Key Lifetime field, you may select to have the key

31Chapter 5: Configuring the GatewayThe Access Restrictions TabWireless-G ADSL GatewayThe Access Restrictions TabInternet AccessThe Access Restriction

32Chapter 5: Configuring the GatewayThe Access Restrictions TabWireless-G ADSL GatewayInternet Access can also be filtered by URL Address, the address

Wireless-G ADSL GatewayEnvironment 62How to Establish a Secure IPSec Tunnel 63Appendix D: Finding the MAC Address and IP Address for Your Ethernet Ad

33Chapter 5: Configuring the GatewayThe Applications and Gaming TabWireless-G ADSL GatewayThe Applications and Gaming TabSingle Port ForwardingThe Sin

34Chapter 5: Configuring the GatewayThe Applications and Gaming TabWireless-G ADSL GatewayPort Range ForwardingThe Port Forwarding screen sets up publ

35Chapter 5: Configuring the GatewayThe Applications and Gaming TabWireless-G ADSL GatewayDMZThe DMZ screen (see Figure 5-29) allows one local user to

36Chapter 5: Configuring the GatewayThe Administration TabWireless-G ADSL GatewayFigure 5-30: ManagementThe Administration TabManagementThe Management

37Chapter 5: Configuring the GatewayThe Administration TabWireless-G ADSL Gateway• Set Community. Enter the password that allows read/write access to

38Chapter 5: Configuring the GatewayThe Administration TabWireless-G ADSL GatewayReportingThe Reporting tab, shown in Figure 5-31, provides you with a

39Chapter 5: Configuring the GatewayThe Administration TabWireless-G ADSL GatewayDiagnosticsPing Test (See Figure 5-32.)Ping Test Parameters• Ping Tar

40Chapter 5: Configuring the GatewayThe Administration TabWireless-G ADSL GatewayFirmware Upgrade (See Figure 5-34.)To upgrade the Gateway’s firmware:

41Chapter 5: Configuring the GatewayThe Status TabWireless-G ADSL GatewayThe Status TabGateway This screen displays information about your Gateway and

42Chapter 5: Configuring the GatewayThe Status TabWireless-G ADSL GatewayLocal NetworkThe Local Network information that is displayed is the Local Mac

Wireless-G ADSL GatewayList of FiguresFigure 2-1: Network 4Figure 2-2: VPN Gateway-to-VPN Gateway 7Figure 2-3: Computer-to-VPN Gateway 8Figure 3-1: B

43Chapter 5: Configuring the GatewayThe Status TabWireless-G ADSL GatewayWirelessThe Wireless network information that is displayed is the Wireless Fi

44Chapter 5: Configuring the GatewayThe Status TabWireless-G ADSL GatewayDSL ConnectionThe DSL Connection information that is displayed is the Status,

45Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL GatewayAppendix A: TroubleshootingThis appendix consists of two parts: “Comm

46Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL Gateway7. Toward the bottom of the window, select Use the following DNS serv

47Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL GatewayB. Open a command prompt.For Windows 98 and Me: • Click Start and Run

48Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL Gateway3. Refer to “Problem #10: I need to remove the proxy settings or the

49Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL Gatewayfield provided. Check “Appendix D: Finding the MAC Address and IP Add

50Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL Gateway8. I can’t get the Internet game, server, or application to work.If y

51Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL Gateway4. Click the OK button to go back to the previous screen.5. Click the

52Appendix A: TroubleshootingCommon Problems and SolutionsWireless-G ADSL Gateway1. To connect to the Gateway, go to the web browser, and enter http:/

Wireless-G ADSL GatewayFigure 5-23: Internet Policy Summary 32Figure 5-24: List of PCs 33Figure 5-25: Port Services 33Figure 5-26: Single Port Forwa

53Appendix A: TroubleshootingFrequently Asked QuestionsWireless-G ADSL Gateway• If the Gateway is configured correctly, check your Internet connection

54Appendix A: TroubleshootingFrequently Asked QuestionsWireless-G ADSL GatewayDoes the Gateway support ICQ send file? Yes, with the following fix: cl

55Appendix A: TroubleshootingFrequently Asked QuestionsWireless-G ADSL Gatewaybased utility. If the Gateway’s Internet connection is working well, the

56Appendix A: TroubleshootingFrequently Asked QuestionsWireless-G ADSL GatewayHow can I check whether I have static or DHCP IP Addresses? Consult you

57Appendix A: TroubleshootingFrequently Asked QuestionsWireless-G ADSL GatewayTo achieve true seamless connectivity, the wireless LAN must incorporate

58Appendix A: TroubleshootingFrequently Asked QuestionsWireless-G ADSL GatewayWill the information be intercepted while it is being transmitted throug

59Appendix B: Important Information for Wireless ProductsWireless-G ADSL GatewayAppendix B: Wireless SecurityImportant Information for Wireless Produc

60Appendix B: Important Information for Wireless ProductsWireless-G ADSL GatewayE. Change the SSID periodically. F. Enable WEP 128-bit Encryption. Ple

61Appendix B: Important Information for Wireless ProductsWireless-G ADSL GatewayMAC Addresses. Enable MAC Address filtering. MAC Address filtering wil

62Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayIntroductionWireless-G ADSL GatewayAppendix C: Configuring IPSec

Wireless-G ADSL GatewayFigure C-17: Connection Type Tab 69Figure C-18: Properties Screen 69Figure C-19: IP Filter List Tab 70Figure C-20: Filter Ac

63Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL GatewayHow

64Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL Gateway3. T

65Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL Gateway8. T

66Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL GatewayStep

67Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL Gateway4. S

68Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL Gateway7. S

69Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL Gateway10.

70Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL Gateway13.

71Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL Gateway16.

72Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the GatewayHow to Establish a Secure IPSec TunnelWireless-G ADSL GatewayStep

1Chapter 1: IntroductionWelcomeWireless-G ADSL GatewayChapter 1: IntroductionWelcomeThe Linksys Wireless-G ADSL Gateway is the all-in-one solution for

73Appendix D: Finding the MAC Address and IP Address for Your Ethernet AdapterWindows 98 or Me InstructionsWireless-G ADSL GatewayAppendix D: Finding

74Appendix D: Finding the MAC Address and IP Address for Your Ethernet AdapterWindows 2000 or XP InstructionsWireless-G ADSL GatewayWindows 2000 or XP

75Appendix E: Upgrading FirmwareWireless-G ADSL GatewayAppendix E: Upgrading FirmwareThe Gateway's firmware is upgraded through the Web-Utility&a

76Appendix F: GlossaryWireless-G ADSL GatewayAppendix F: Glossary802.11a - An IEEE wireless networking standard that specifies a maximum data transfer

77Appendix F: GlossaryWireless-G ADSL GatewayBuffer - A block of memory that temporarily holds data to be worked on later when a device is currently t

78Appendix F: GlossaryWireless-G ADSL GatewayDynamic IP Address - A temporary IP address assigned by a DHCP server. Encryption - Encoding data to prev

79Appendix F: GlossaryWireless-G ADSL GatewayIPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device.

80Appendix F: GlossaryWireless-G ADSL GatewayPPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that provides authenticati

81Appendix F: GlossaryWireless-G ADSL GatewayTCP/IP (Transmission Control Protocol/Internet Protocol) - A network protocol for transmitting data that

84Appendix H: Regulatory InformationWireless-G ADSL GatewayAppendix H: Regulatory InformationFCC STATEMENTThis product has been tested and complies wi

2Chapter 1: IntroductionWhat’s in this Guide?Wireless-G ADSL GatewayWhat’s in this Guide?This user guide covers the steps for setting up and using the

85Appendix H: Regulatory InformationWireless-G ADSL GatewayCaution: This equipment is intended to be used in all EU and EFTA countries. Outdoor use ma

86Appendix H: Regulatory InformationWireless-G ADSL GatewayAn FCC compliant telephone cord and modular plug is provided with this equipment. This equi

87Appendix I: Warranty InformationWireless-G ADSL GatewayAppendix I: Warranty InformationLIMITED WARRANTYLinksys warrants to You that, for a period of

88Appendix J: Contact InformationWireless-G ADSL GatewayAppendix J: Contact InformationNeed to contact Linksys?Visit us online for information on the

82Appendix G: SpecificationsWireless-G ADSL GatewayAppendix G: SpecificationsStandards IEEE 802.11g, IEEE 802.11b, IEEE 802.3, IEEE 802.3u, G.992.1 (G

83Appendix G: SpecificationsWireless-G ADSL GatewayStorage Temp. -20ºC to 70ºC (-4ºF to 158ºF) Operating Humidity 10% to 85% Non-CondensingStorage Hum