A Division of Cisco Systems, Inc.®Model No.WIREDwith 8-Port SwitchCable/DSL RouterBEFSR81User GuideEtherFast®

4Chapter 2: Networking BasicsAn Introduction to LANsEtherFast Cable/DSL Router with 8-Port SwitchChapter 2: Networking BasicsAn Introduction to LANsSi

5Chapter 2: Networking BasicsThe Use of IP AddressesEtherFast Cable/DSL Router with 8-Port SwitchA DHCP server can either be a designated PC on the ne

6Chapter 3: Getting to Know the RouterThe Back PanelEtherFast Cable/DSL Router with 8-Port SwitchChapter 3: Getting to Know the RouterThe Back PanelTh

7Chapter 3: Getting to Know the RouterThe Front PanelEtherFast Cable/DSL Router with 8-Port SwitchThe Front PanelThe Router’s LEDs, which inform you a

8Chapter 4: Connecting the RouterOverviewEtherFast Cable/DSL Router with 8-Port SwitchChapter 4: Connecting the RouterOverviewTo set up your network,

9Chapter 4: Connecting the RouterConnection InstructionsEtherFast Cable/DSL Router with 8-Port SwitchConnection Instructions1. Before you begin, make

10Chapter 5: Configuring the PCsOverviewEtherFast Cable/DSL Router with 8-Port SwitchChapter 5: Configuring the PCsOverviewThe instructions in this ch

11Chapter 5: Configuring the PCsConfiguring Windows 2000 PCsEtherFast Cable/DSL Router with 8-Port Switch5. Click the OK button again. Windows may ask

12Chapter 5: Configuring the PCsConfiguring Windows XP PCsEtherFast Cable/DSL Router with 8-Port Switch3. Select Internet Protocol (TCP/IP), and click

13Chapter 6: Configuring the RouterOverviewEtherFast Cable/DSL Router with 8-Port SwitchChapter 6: Configuring the RouterOverviewThe instructions from

EtherFast Cable/DSL Router with 8-Port SwitchCopyright and TrademarksLinksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its

14Chapter 6: Configuring the RouterInstructionsEtherFast Cable/DSL Router with 8-Port SwitchObtain an IP Automatically or DHCPIf your ISP says that yo

15Chapter 6: Configuring the RouterInstructionsEtherFast Cable/DSL Router with 8-Port SwitchPPPoEIf your ISP says that you are connecting through a PP

16Chapter 6: Configuring the RouterInstructionsEtherFast Cable/DSL Router with 8-Port SwitchPPTPPPTP (shown in Figure 6-7) is a service used in Europe

17Chapter 7: Using The Router’s Web-based UtilityOverviewEtherFast Cable/DSL Router with 8-Port SwitchChapter 7: Using The Router’s Web-based UtilityO

18Chapter 7: Using The Router’s Web-based UtilityQuick and Easy AdministrationEtherFast Cable/DSL Router with 8-Port Switch• VPN Passthrough. To enabl

19Chapter 7: Using The Router’s Web-based UtilityBasic SetupEtherFast Cable/DSL Router with 8-Port SwitchWhen finished making your changes on a tab, c

20Chapter 7: Using The Router’s Web-based UtilityBasic SetupEtherFast Cable/DSL Router with 8-Port Switch• User Name and Password. Enter the User Name

21Chapter 7: Using The Router’s Web-based UtilityBasic SetupEtherFast Cable/DSL Router with 8-Port Switch• Keep Alive Option and Redial Period. This o

22Chapter 7: Using The Router’s Web-based UtilityBasic SetupEtherFast Cable/DSL Router with 8-Port Switch• User Name and Password. Enter the User Name

23Chapter 7: Using The Router’s Web-based UtilityDDNSEtherFast Cable/DSL Router with 8-Port SwitchNetwork Address Server Settings (DHCP)A Dynamic Host

EtherFast Cable/DSL Router with 8-Port SwitchTable of ContentsChapter 1: Introduction 1Welcome 1What’s in this Guide? 2Chapter 2: Networking Basics 4A

24Chapter 7: Using The Router’s Web-based UtilityMAC Address CloneEtherFast Cable/DSL Router with 8-Port SwitchDDNS• DDNS Service. If your DDNS servic

25Chapter 7: Using The Router’s Web-based UtilityAdvanced RoutingEtherFast Cable/DSL Router with 8-Port SwitchMAC Clone• MAC Clone Service To use MAC

26Chapter 7: Using The Router’s Web-based UtilityFilterEtherFast Cable/DSL Router with 8-Port Switch• Select Entry. Select the number of the static ro

27Chapter 7: Using The Router’s Web-based UtilityFilterEtherFast Cable/DSL Router with 8-Port SwitchFilter IP Address RangeTo set up a filter using IP

28Chapter 7: Using The Router’s Web-based UtilityVPN PassthroughEtherFast Cable/DSL Router with 8-Port SwitchVPN PassthroughThe VPN Passthrough screen

29Chapter 7: Using The Router’s Web-based UtilityPort TriggeringEtherFast Cable/DSL Router with 8-Port Switch• Application. Enter the name of the appl

30Chapter 7: Using The Router’s Web-based UtilityUPnP ForwardingEtherFast Cable/DSL Router with 8-Port Switch• Start Port. Enter the starting port num

31Chapter 7: Using The Router’s Web-based UtilityDMZEtherFast Cable/DSL Router with 8-Port Switch• HTTP (HyperText Transport Protocol). The communicat

32Chapter 7: Using The Router’s Web-based UtilityQoSEtherFast Cable/DSL Router with 8-Port SwitchDMZ• DMZ. To use this feature, select Enable. To disa

33Chapter 7: Using The Router’s Web-based UtilityManagementEtherFast Cable/DSL Router with 8-Port Switch• SMTP (Simple Mail Transfer Protocol). The st

EtherFast Cable/DSL Router with 8-Port SwitchUPnP Forwarding 30DMZ 31QoS 32Management 33Log 35Factory Defaults 36Firmware Upgrade 37Router 37Local Net

34Chapter 7: Using The Router’s Web-based UtilityManagementEtherFast Cable/DSL Router with 8-Port SwitchRemote Router AccessThis feature allows you to

35Chapter 7: Using The Router’s Web-based UtilityLogEtherFast Cable/DSL Router with 8-Port Switch• SNMP Trusted Host. You can restrict access to the R

36Chapter 7: Using The Router’s Web-based UtilityFactory DefaultsEtherFast Cable/DSL Router with 8-Port Switch• Incoming Log. Click the Incoming Log b

37Chapter 7: Using The Router’s Web-based UtilityFirmware UpgradeEtherFast Cable/DSL Router with 8-Port SwitchFirmware UpgradeThe Firmware Upgrade scr

38Chapter 7: Using The Router’s Web-based UtilityLocal NetworkEtherFast Cable/DSL Router with 8-Port Switch• Login Status. The status of the connectio

39Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port SwitchAppendix A: TroubleshootingThis appendix provid

40Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port SwitchB. Right-click the Local Area Connection that i

41Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port Switch2. I want to test my Internet connection.A. Che

42Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port Switch• For Windows 98 and Millennium, click Start an

43Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port Switch4. I am not able to access the Router’s Web-bas

EtherFast Cable/DSL Router with 8-Port SwitchList of FiguresFigure 3-1: Back Panel 6Figure 3-2: Front Panel 7Figure 4-1: Example of a Typical Network

44Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port Switchdocumentation provided with the server you inst

45Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port SwitchD. Select the protocol you will be using, TCP o

46Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port Switch9. I forgot my password, or the password prompt

47Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port SwitchB. To upgrade the firmware, follow the steps in

48Appendix A: TroubleshootingCommon Problems and SolutionsEtherFast Cable/DSL Router with 8-Port SwitchA. To connect to the Router, go to the web brow

49Appendix A: TroubleshootingFrequently Asked QuestionsEtherFast Cable/DSL Router with 8-Port Switchset to Never dial a connection. For Netscape Navig

50Appendix A: TroubleshootingFrequently Asked QuestionsEtherFast Cable/DSL Router with 8-Port SwitchI set up an Unreal Tournament Server, but others o

51Appendix A: TroubleshootingFrequently Asked QuestionsEtherFast Cable/DSL Router with 8-Port Switchnew features that you would like to use. Download

52Appendix A: TroubleshootingFrequently Asked QuestionsEtherFast Cable/DSL Router with 8-Port SwitchWhat is the maximum number of VPN sessions allowed

53Appendix B: Upgrading FirmwareEtherFast Cable/DSL Router with 8-Port SwitchAppendix B: Upgrading FirmwareYou can use the Router’s Web-based Utility

EtherFast Cable/DSL Router with 8-Port SwitchFigure 7-9: DDNS Disabled 23Figure 7-10: DDNS Using DynDNS.org 24Figure 7-11: DDNS Using TZO.com 24Figure

54Appendix C: Finding the MAC Address and IP Address for Your Ethernet AdapterWindows 98 or Me InstructionsEtherFast Cable/DSL Router with 8-Port Swit

55Appendix C: Finding the MAC Address and IP Address for Your Ethernet AdapterFor the Router’s Web-based UtilityEtherFast Cable/DSL Router with 8-Port

56Appendix D: Windows HelpEtherFast Cable/DSL Router with 8-Port SwitchAppendix D: Windows HelpAll networking products require Microsoft Windows. Wind

57Appendix E: GlossaryEtherFast Cable/DSL Router with 8-Port SwitchAppendix E: Glossary802.11a - An IEEE wireless networking standard that specifies a

58Appendix E: GlossaryEtherFast Cable/DSL Router with 8-Port SwitchBuffer - A block of memory that temporarily holds data to be worked on later when a

59Appendix E: GlossaryEtherFast Cable/DSL Router with 8-Port SwitchDynamic IP Address - A temporary IP address assigned by a DHCP server. Encryption -

60Appendix E: GlossaryEtherFast Cable/DSL Router with 8-Port SwitchIPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particu

61Appendix E: GlossaryEtherFast Cable/DSL Router with 8-Port SwitchPPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that

62Appendix E: GlossaryEtherFast Cable/DSL Router with 8-Port SwitchTCP/IP (Transmission Control Protocol/Internet Protocol) - A network protocol for t

63Appendix F: SpecificationsEtherFast Cable/DSL Router with 8-Port SwitchAppendix F: SpecificationsStandards IEEE 802.3 (10BaseT), 802.3u (100BaseTX)P

1Chapter 1: IntroductionWelcomeEtherFast Cable/DSL Router with 8-Port SwitchChapter 1: IntroductionWelcomeThank you for choosing the EtherFast Cable/D

64Appendix G: Warranty InformationEtherFast Cable/DSL Router with 8-Port SwitchAppendix G: Warranty InformationLIMITED WARRANTYLinksys warrants to the

65Appendix H: Regulatory InformationEtherFast Cable/DSL Router with 8-Port SwitchAppendix H: Regulatory InformationFCC STATEMENTThis product has been

66Appendix I: Contact InformationEtherFast Cable/DSL Router with 8-Port SwitchAppendix I: Contact InformationNeed to contact Linksys?Visit us online f

2Chapter 1: IntroductionWhat’s in this Guide?EtherFast Cable/DSL Router with 8-Port SwitchWhat’s in this Guide?This user guide covers the basic steps

3Chapter 1: IntroductionWhat’s in this Guide?EtherFast Cable/DSL Router with 8-Port Switch• Appendix D: Windows HelpThis appendix describes how you ca