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
Copyright and Trademarks
Linksys is a registered trademark 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.
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
property or the Router.
word: definition.
This checkmark means there is a Note of interest and
is something you should pay special attention to while
using the Router.
This question mark provides you with a reminder about
something you might need to do while using the Router.
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
1
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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