Linksys RV042 Manuale utente

A Division of Cisco Systems, Inc.

Model No.

WIRED

VPN Router

10/100 4-Port

RV042

User Guide

10/100 4-Port VPN Router

Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain

How to Use this Guide

This User Guide has been designed to make understanding networking with the Router easier than ever. Look for

the following items when reading this Guide:

In addition to these symbols, there are definitions for technical terms that are presented like this:

Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like

this:

Figure numbers and descriptions can also be found in the “List of Figures” section in the “Table of Contents”.

This exclamation point means there is a Caution or

Warning and is something that could damage your

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word: definition.

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Figure 0-1: Sample Figure Description

RV042-UG-40514BW

10/100 4-Port VPN Router

Table of Contents

Chapter 1: Introduction 1

Welcome 1

What’s in this Guide? 2

Chapter 2: Networking Basics 4

An Introduction to LANs 4

The Use of IP Addresses 4

Why do I need a VPN? 5

What is a VPN? 6

Chapter 3: Getting to Know the Router 8

The Front Panel 8

The Back and Side Panels 9

Chapter 4: Connecting the Router 11

Overview 11

Connection Instructions 12

Chapter 5: Configuring the PCs 14

Overview 14

Configuring Windows 98 and Millennium PCs 14

Configuring Windows 2000 PCs 15

Configuring Windows XP PCs 15

Chapter 6: Set Up and Configure the Router 17

Overview 17

How to Access the Web-based Utility 20

System Summary Tab 20

Setup Tab - Network 23

Setup Tab - Password 25

Setup Tab - Time 25

Setup Tab - DMZ Host 26

Setup Tab - Forwarding 26

Setup Tab - UPnP Page 27

Setup Tab - One-to-One NAT 27

Setup Tab - MAC Clone 28

Setup Tab - DDNS 29

10/100 4-Port VPN Router

Setup Tab - Advanced Routing 29

DHCP Tab - Setup 31

DHCP Tab - Status 31

System Management Tab - Dual-WAN 32

System Management Tab - SNMP 32

System Management Tab - Diagnostic 33

System Management Tab - Factory Default 34

System Management Tab - Firmware Upgrade 35

System Management Tab - Restart 35

System Management Tab - Setting Backup 35

Firewall Tab - General 36

Firewall Tab - Access Rules 37

Firewall Tab - Content Filter 38

VPN Tab - Summary 39

VPN Tab - Gateway to Gateway 41

VPN Tab - Client to Gateway 47

VPN Tab - VPN Pass Through 54

Log Tab - System Log 54

Log Tab - System Statistics 56

Wizard Tab 56

Support Tab 64

Logout Tab 64

Appendix A: Troubleshooting 65

Common Problems and Solutions 65

Frequently Asked Questions 75

Appendix B: Upgrading Firmware 79

Appendix C: Finding the MAC Address and IP Address for

Your Ethernet Adapter 80

Windows 98 or Me Instructions 80

Windows 2000 or XP Instructions 80

For the Router’s Web-based Utility 81

Appendix D: Physical Setup of the Router 82

Setting up the Router 82

Appendix E: Windows Help 83

Appendix F: Glossary 84

10/100 4-Port VPN Router

Appendix G: Specifications 91

Appendix H: Warranty Information 92

Appendix I: Regulatory Information 93

Appendix J: Contact Information 94

10/100 4-Port VPN Router

List of Figures

Figure 2-1: VPN Router-to-VPN Router VPN 7

Figure 2-2: Computer-to-VPN Router VPN 7

Figure 3-1: Front Panel 8

Figure 3-2: Back Panel 9

Figure 3-3: Right Side Panel 10

Figure 3-4: Left Side Panel 10

Figure 4-1: Example of a Typical Network 11

Figure 4-2: Connect a PC 12

Figure 4-3: Connect the Internet 12

Figure 4-4: Connect the DMZ/Internet 12

Figure 4-5: Connect the Power 13

Figure 5-1: TCP/IP for Windows 98 and Me 14

Figure 5-2: Obtain an IP address automatically for Windows 98 and Me 14

Figure 5-3: Internet Protocol (TCP/IP) for Windows 2000 15

Figure 5-4: Obtain an IP address automatically for Windows 2000 15

Figure 5-5: Internet Protocol (TCP/IP) for Windows XP 16

Figure 5-6: Obtain an IP address automatically for Windows XP 16

Figure 6-1: Router’s IP Address 20

Figure 6-2: Password 20

Figure 6-3: System Summary 20

Figure 6-4: Site Map 21

Figure 6-5: Setup Tab 23

Figure 6-6: Obtain an IP Automatically 24

Figure 6-7: Static IP 24

Figure 6-8: PPPoE 24

Figure 6-9: PPTP 24

Figure 6-10: Password 25

Figure 6-11: Time 25

10/100 4-Port VPN Router

Figure 6-12: DMZ Host 26

Figure 6-13: Forwarding 26

Figure 6-14: Service Management 26

Figure 6-15: UPnP 27

Figure 6-16: One-to-One NAT 27

Figure 6-17: MAC Clone 28

Figure 6-18: DDNS 29

Figure 6-19: Advanced Routing 29

Figure 6-20: DHCP Setup 31

Figure 6-21: DHCP Status 31

Figure 6-22: Dual-WAN Smart Link Backup 32

Figure 6-23: Dual WAN Load Balance 32

Figure 6-24: SNMP 32

Figure 6-25: DNS Name Lookup 33

Figure 6-26: Ping 33

Figure 6-27: Factory Default 34

Figure 6-28: Are You Sure 34

Figure 6-29: System is Rebooting 34

Figure 6-30: Firmware Upgrade 35

Figure 6-31: Restart 35

Figure 6-32: Setting Backup 35

Figure 6-33: Save File 36

Figure 6-34: Firewall 36

Figure 6-35: Access Rules 37

Figure 6-36: Add a New Access Rule 37

Figure 6-37: Service Management 37

Figure 6-38: Settings are Successful 38

Figure 6-39: Content Filter 38

Figure 6-40: VPN Summary 39

Figure 6-41: Mode Choose 39

10/100 4-Port VPN Router

Figure 6-42: Gateway to Gateway 40

Figure 6-43: Client to Gateway 40

Figure 6-44: Gateway to Gateway 41

Figure 6-45: Client to Gateway 47

Figure 6-46: Advanced 53

Figure 6-47: VPN Pass Through 54

Figure 6-48: System Log 54

Figure 6-49: System Statistics 56

Figure 6-50: Wizard 56

Figure 6-51: Dual WAN or DMZ 57

Figure 6-52: Host and Domain Name 57

Figure 6-53: WAN Connection Type 57

Figure 6-54: Obtain an IP Automatically 58

Figure 6-55: Static IP 58

Figure 6-56: PPPoE 58

Figure 6-57: WAN Connection Type WAN2 59

Figure 6-58: Obtain an IP WAN2 59

Figure 6-59: Static IP WAN2 60

Figure 6-60: PPPoE WAN2 60

Figure 6-61: Save Settings 60

Figure 6-62: Access Rules Policy 61

Figure 6-63: Select the Action 61

Figure 6-64: Select the Service 61

Figure 6-65: Select the Log 62

Figure 6-66: Select the Source 62

Figure 6-67: Select the Destination 62

Figure 6-68: When it Works 63

Figure 6-69: Save Settings 63

Figure 6-70: Settings are Successful 63

Figure 6-71: Support 64

10/100 4-Port VPN Router

Figure B-1: Upgrade Firmware 79

Figure C-1: IP Configuration Screen 80

Figure C-2: MAC Address/Adapter Address 80

Figure C-3: MAC Address/Physical Address 81

Figure C-4: MAC Address Clone 81

Figure D-1: Wall-Mounting the Router 82

Chapter 1: Introduction

Welcome

10/100 4-Port VPN Router

Chapter 1: Introduction

Welcome

Thank you for choosing the 10/100 4-Port VPN Router. The Linksys 10/100 4-Port VPN Router is an advanced

Internet-sharing network solution for your small business needs. Like any router, it lets multiple computers in

your office share an Internet connection. But the unique dual Internet ports on the 10/100 4-Port VPN Router let

you connect a second Internet line as a backup to insure that you're never disconnected. Or, use both Internet

ports at the same time, and let the router balance your office's requirements between them for maximum

bandwidth efficiency.

The 10/100 4-Port VPN Router also features a built-in 4-Port full-duplex 10/100 Ethernet switch to connect four

PCs directly, or you can connect more hubs and switches to create as big a network as you need.

The Virtual Private Network (VPN) capability creates encrypted “tunnels” through the Internet, allowing up to 30

remote office or traveling users to securely connect into your office network from off-site. Users connecting

through a VPN tunnel are attached to your company's network — with secure access to files, e-mail, and your

intranet — just as if they were in the building. You can also use the VPN capability to allow users on your small

office network to securely connect out to a corporate network.

The 10/100 4-Port VPN Router can serve as a DHCP Server, and has a powerful SPI firewall to protect your PCs

against intruders and most known Internet attacks. It can be configured to filter internal users' access to the

Internet, and has IP address filtering so you can specify exactly who has access to your network. Configuration is

a snap with the web browser-based configuration utility.

This user guide will give you all the information you need to connect, set up, and configure your Router.

Ethernet: a network protocol that specifies

how data is placed on and retrieved from a

common transmission medium.

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