A Division of Cisco Systems, Inc.®Model No.WIREDwith 2 Phone PortsBroadband RouterRT31P2-NAUser Guide

4Chapter 2: Networking BasicsAn Introduction to Local Area NetworksBroadband Router with 2 Phone PortsChapter 2: Networking BasicsAn Introduction to L

5Chapter 2: Networking BasicsThe Use of IP AddressesBroadband Router with 2 Phone PortsA DHCP server can either be a designated PC on the network or a

6Chapter 3: Getting to Know the RouterThe Back PanelBroadband Router with 2 Phone PortsChapter 3: Getting to Know the RouterThe Back PanelThe Router’s

7Chapter 3: Getting to Know the RouterThe Front PanelBroadband Router with 2 Phone PortsThe Front PanelThe Router’s LEDs, which inform you about netwo

8Chapter 4: Connecting the RouterOverviewBroadband Router with 2 Phone PortsChapter 4: Connecting the RouterOverviewTo begin installation of the Rout

9Chapter 4: Connecting the RouterConnection InstructionsBroadband Router with 2 Phone PortsConnection Instructions1. Before you begin, make sure that

10Chapter 5: Configuring the RouterOverviewBroadband Router with 2 Phone PortsChapter 5: Configuring the RouterOverviewLinksys recommends using the S

11Chapter 5: Configuring the RouterOverviewBroadband Router with 2 Phone PortsVoice• System. Enter the STUN (Simple Traversal of UDP through NAT) sett

12Chapter 5: Configuring the RouterHow to Access the Web-based UtilityBroadband Router with 2 Phone PortsHow to Access the Web-based UtilityTo access

13Chapter 5: Configuring the RouterThe Setup Tab - Basic SetupBroadband Router with 2 Phone PortsStatic IP If you are required to use a permanent IP a

Broadband Router with 2 Phone PortsCopyright and TrademarksSpecifications are subject to change without notice. Linksys is a registered trademark or t

14Chapter 5: Configuring the RouterThe Setup Tab - Basic SetupBroadband Router with 2 Phone PortsRAS (for SingTel)Remote Access Service (RAS) is a ser

15Chapter 5: Configuring the RouterThe Setup Tab - Basic SetupBroadband Router with 2 Phone Portsconnection as soon as you attempt to access the Inter

16Chapter 5: Configuring the RouterThe Setup Tab - Basic SetupBroadband Router with 2 Phone PortsOptional SettingsSome of these settings may be requir

17Chapter 5: Configuring the RouterThe Setup Tab - Basic SetupBroadband Router with 2 Phone PortsNumber of Address (Optional). Enter the maximum numbe

18Chapter 5: Configuring the RouterThe Setup Tab - DDNSBroadband Router with 2 Phone PortsThe Setup Tab - DDNSThe Router offers a Dynamic Domain Name

19Chapter 5: Configuring the RouterThe Setup Tab - MAC Address CloneBroadband Router with 2 Phone PortsThe Setup Tab - MAC Address CloneA MAC address

20Chapter 5: Configuring the RouterThe Setup Tab - Advanced RoutingBroadband Router with 2 Phone PortsThe Setup Tab - Advanced RoutingThe Advanced Rou

21Chapter 5: Configuring the RouterThe Setup Tab - Advanced RoutingBroadband Router with 2 Phone PortsInterface. Select Local or Internet, depending o

22Chapter 5: Configuring the RouterThe Security Tab - FilterBroadband Router with 2 Phone PortsThe Security Tab - FilterWhen you click the Security ta

23Chapter 5: Configuring the RouterThe Security Tab - FilterBroadband Router with 2 Phone PortsFilter Multicast. Multicasting allows for multiple tran

Broadband Router with 2 Phone PortsTable of ContentsChapter 1: Introduction 1Welcome 1What’s in this Guide? 2Chapter 2: Networking Basics 4An Introduc

24Chapter 5: Configuring the RouterThe Security Tab - VPN PassthroughBroadband Router with 2 Phone PortsThe Security Tab - VPN PassthroughThe VPN Pass

25Chapter 5: Configuring the RouterThe Voice Tab - SystemBroadband Router with 2 Phone PortsThe Voice Tab - SystemSTUN (Simple Traversal of UDP throug

26Chapter 5: Configuring the RouterThe Voice Tab - Line1 SettingsBroadband Router with 2 Phone PortsThe Voice Tab - Line1 SettingsOn the Line1 screen,

27Chapter 5: Configuring the RouterThe Voice Tab - Line1 SettingsBroadband Router with 2 Phone PortsCall Forward SettingsCfwd All Dest. If you want to

28Chapter 5: Configuring the RouterThe Voice Tab - Line1 SettingsBroadband Router with 2 Phone PortsVoice Quality SettingsVoice Quality. Select the qu

29Chapter 5: Configuring the RouterThe Voice Tab - Line2 SettingsBroadband Router with 2 Phone PortsThe Voice Tab - Line2 SettingsOn the Line2 screen,

30Chapter 5: Configuring the RouterThe Voice Tab - Line2 SettingsBroadband Router with 2 Phone PortsCall Forward SettingsCfwd All Dest. If you want to

31Chapter 5: Configuring the RouterThe Voice Tab - Line2 SettingsBroadband Router with 2 Phone PortsVoice Quality SettingsVoice Quality. Select the qu

32Chapter 5: Configuring the RouterThe Applications & Gaming Tab - Port Range ForwardingBroadband Router with 2 Phone PortsThe Applications &

33Chapter 5: Configuring the RouterThe Applications & Gaming Tab - Port TriggeringBroadband Router with 2 Phone PortsThe Applications & Gaming

Broadband Router with 2 Phone PortsThe Status Tab - Voice 44The Status Tab - Router 45The Status Tab - Local Network 46 Appendix A: Troubleshooting 4

34Chapter 5: Configuring the RouterThe Applications & Gaming Tab - UPnP ForwardingBroadband Router with 2 Phone PortsThe Applications & Gaming

35Chapter 5: Configuring the RouterThe Applications & Gaming Tab - UPnP ForwardingBroadband Router with 2 Phone PortsNNTP (Network News Transfer P

36Chapter 5: Configuring the RouterThe Applications & Gaming Tab - DMZBroadband Router with 2 Phone PortsThe Applications & Gaming Tab - DMZTh

37Chapter 5: Configuring the RouterThe Applications & Gaming Tab - DMZBroadband Router with 2 Phone PortsThe Applications & Gaming Tab - QoSQu

38Chapter 5: Configuring the RouterThe Applications & Gaming Tab - DMZBroadband Router with 2 Phone PortsEnable/Disable. To use port-based QoS, se

39Chapter 5: Configuring the RouterThe Administration Tab - ManagementBroadband Router with 2 Phone PortsThe Administration Tab - ManagementWhen you c

40Chapter 5: Configuring the RouterThe Administration Tab - ManagementBroadband Router with 2 Phone PortsAllow users to disable Internet access. When

41Chapter 5: Configuring the RouterThe Administration Tab - LogBroadband Router with 2 Phone PortsThe Administration Tab - LogWhen you click the Admin

42Chapter 5: Configuring the RouterThe Administration Tab - Factory DefaultsBroadband Router with 2 Phone PortsThe Administration Tab - Factory Defaul

43Chapter 5: Configuring the RouterThe Administration Tab - Firmware UpgradeBroadband Router with 2 Phone PortsThe Administration Tab - Firmware Upgra

Broadband Router with 2 Phone PortsList of FiguresFigure 3-1: Back Panel 6Figure 3-2: Front Panel 7Figure 4-1: Router Connection Diagram 8Figure 4-2:

44Chapter 5: Configuring the RouterThe Status Tab - VoiceBroadband Router with 2 Phone PortsThe Status Tab - VoiceWhen you click the Status tab, you w

45Chapter 5: Configuring the RouterThe Status Tab - RouterBroadband Router with 2 Phone PortsThe Status Tab - RouterThe Router screen displays informa

46Chapter 5: Configuring the RouterThe Status Tab - Local NetworkBroadband Router with 2 Phone PortsThe Status Tab - Local NetworkThe Local Network sc

47Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsAppendix A: TroubleshootingThis appendix provides solutio

48Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsB. Press CTRL + F5. This is a hard refresh, which will fo

49Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsD. Enter a unique IP address that is not used by any othe

50Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsFor Windows 2000:1. Click Start, Settings, and Control Pa

51Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsD. In the command prompt, type ping followed by your Inte

52Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone Ports8. I can’t get my Virtual Private Network (VPN) to work t

53Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsCheck “Appendix C: Finding the MAC Address and IP Address

Broadband Router with 2 Phone PortsFigure 5-22: Applications & Gaming Tab - UPnP Forwarding 34Figure 5-23: Applications & Gaming Tab - DMZ 36F

54Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsF. Check the Enabled option for the port services you wan

55Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsB. Enter a different password in the Router Password fiel

56Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone Ports16.The firmware upgrade failed.The upgrade could have fai

57Appendix A: TroubleshootingCommon Problems and SolutionsBroadband Router with 2 Phone PortsB. Enter the password, if asked. (The default password is

58Appendix A: TroubleshootingFrequently Asked QuestionsBroadband Router with 2 Phone PortsFrequently Asked QuestionsHow do I make a phone call?Pick up

59Appendix A: TroubleshootingFrequently Asked QuestionsBroadband Router with 2 Phone PortsDoes the Router support ICQ send file?Yes, with the followin

60Appendix A: TroubleshootingFrequently Asked QuestionsBroadband Router with 2 Phone PortsHow can I be notified of new Router firmware upgrades?All Li

61Appendix A: TroubleshootingFrequently Asked QuestionsBroadband Router with 2 Phone PortsDoes the Router replace a modem? Is there a cable or DSL mod

62Appendix B: Upgrading FirmwareBroadband Router with 2 Phone PortsAppendix B: Upgrading FirmwareUse the Router’s Web-based Utility to upgrade its fir

63Appendix C: Finding the MAC Address and IP Address for Your Ethernet AdapterWindows 98 or Me InstructionsBroadband Router with 2 Phone PortsAppendix

1Chapter 1: IntroductionWelcomeBroadband Router with 2 Phone PortsChapter 1: IntroductionWelcomeThank you for choosing the Broadband Router with 2 Pho

64Appendix C: Finding the MAC Address and IP Address for Your Ethernet AdapterFor the Router’s Web-based UtilityBroadband Router with 2 Phone Ports3.

65Appendix D: Windows HelpBroadband Router with 2 Phone PortsAppendix D: Windows HelpAlmost all networking products require Microsoft Windows. Windows

66Appendix E: GlossaryBroadband Router with 2 Phone PortsAppendix E: GlossaryAdapter - A device that adds network functionality to your PC.Backbone -

67Appendix E: GlossaryBroadband Router with 2 Phone PortsDefault Gateway - A device that forwards Internet traffic from your local area network.DHCP (

68Appendix E: GlossaryBroadband Router with 2 Phone PortsHalf Duplex - Data transmission that can occur in two directions over a single line, but only

69Appendix E: GlossaryBroadband Router with 2 Phone PortsNNTP (Network News Transfer Protocol) - The protocol used to connect to Usenet groups on the

70Appendix E: GlossaryBroadband Router with 2 Phone PortsSwitch - 1. A data switch that connects computing devices to host computers, allowing a large

71Appendix F: SpecificationsBroadband Router with 2 Phone PortsAppendix F: SpecificationsModel RT31P2-NAStandards IEEE 802.3 (10BaseT), IEEE 802.3u (1

72Appendix F: SpecificationsBroadband Router with 2 Phone PortsUnit Weight 12.70 oz. (0.36 kg)Power External, 12V DC, 1ACertifications FCC, cUL, CEOpe

73Appendix G: Warranty InformationBroadband Router with 2 Phone PortsAppendix G: Warranty InformationLIMITED WARRANTYLinksys warrants to You that, for

2Chapter 1: IntroductionWhat’s in this Guide?Broadband Router with 2 Phone PortsWhat’s in this Guide?This user guide covers the basic steps for settin

74Appendix H: Regulatory InformationBroadband Router with 2 Phone PortsAppendix H: Regulatory InformationFCC STATEMENTThis product has been tested and

75Appendix I: Contact InformationBroadband Router with 2 Phone PortsAppendix I: Contact InformationNeed to contact Linksys?Visit us online for informa

3Chapter 1: IntroductionWhat’s in this Guide?Broadband Router with 2 Phone Ports• Appendix F: SpecificationsThis appendix provides the technical speci