LINKSYS HGA7S-3 Wireless-G VPN Broadband Router User Manual Book

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®
A Division of Cisco Systems, Inc.
2.4 GHz Wireless-G
54Mbps
VPN Broadband Router
WIRELESS
Model No.
WRV54G
User Guide
Wireless-G VPN Broadband Router
Copyright and Trademarks
Specifications are subject to change without notice. Instant Etherfast, Linksys, and the Linksys logo are
registered trademarks of Linksys Group, Inc. Other brands and product names are trademarks or registered
trademarks of their respective holders. Copyright © 2003 Linksys. All rights reserved.
How to Use this Guide
Your Guide to the Wireless-G VPN Broadband Router has been designed to make understanding networking with
the Router easier than ever. Look for the following items when reading this User Guide:
This checkmark means there is a Note of interest and
is something you should pay special attention to while
using the Router.
This exclamation point means there is a Caution or
Warning and is something that could damage your
property or the Router.
This question mark provides you with a reminder about
something you might need to do while using the Router.
In addition to these symbols, there are definitions for technical terms that are presented like this:
word: definition.
Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like
this:
Figure 0-1: Sample Figure Description
Figure numbers and descriptions can also be found in the "List of Figures" section in the “Table of Contents”.
WRV54G-QI-30801NC BW
Wireless-G VPN Broadband Router
Table of Contents
Chapter 1: Introduction
Welcome 1
What’s in this Guide?
Chapter 2: Planning your Wireless Network
The Router’s Functions
IP Addresses
Why do I need a VPN?
What is a VPN?
Chapter 3: Getting to Know the Wireless-G VPN Broadband Router
The Back Panel
The Front Panel
Chapter 4: Connecting the Wireless-G Broadband Router
Overview
Wired Connection to a PC
Wireless Connection to a PC
Chapter 5: Configuring the PCs
Overview
Configuring Windows 98 and Millennium PCs
Configuring Windows 2000 PCs
Configuring Windows XP PCs
Chapter 6: Configuring the Router
Overview 18
How to Access the Web-based Utility
The Setup Tab
The Wireless Tab
The Security Tab
The Access Restrictions Tab
The Applications and Gaming Tab
The Administration Tab
Status
Appendix A:Troubleshooting
Common Problems and Solutions
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Wireless-G VPN Broadband Router
Frequently Asked Questions
Appendix B: Wireless Security
A Brief Overview
What Are The Risks?
Appendix C: Configuring IPSec between a Windows 2000 PC and the Router
Introduction
Environment
How to Establish a Secure IPSec Tunnel
Windows 98 or Me Instructions
Windows 2000 or XP Instructions
Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter
Appendix E: SNMP Functions
Appendix F: Upgrading Firmware
Appendix G: Windows Help
Appendix H: Glossary
Appendix I: Specifications
Appendix J: Warranty Information
Appendix K: Regulatory Information
Appendix L: Contact Information
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Wireless-G Broadband VPN Router
Chapter 1: Introduction
Welcome
Wireless-G is the upcoming 54Mbps wireless networking standard that’s almost five times faster than the widely
deployed Wireless-B (802.11b) products found in homes, businesses, and public wireless hotspots around the
country—but since they share the same 2.4GHz radio band, Wireless-G devices can also interoperate with
existing 11Mbps Wireless-B equipment.
Since both standards are built in, you can protect your investment in existing 802.11b infrastructure, and migrate
to the new screaming fast Wireless-G standard as your needs grow.
The Linksys Wireless-G Broadband VPN Router is really three devices in one box. First, there’s the Wireless
Access Point, which lets you connect Wireless-G or Wireless-B devices to the network. There’s also a built-in 4port full-duplex 10/100 Switch to connect your wired-Ethernet devices. Connect four PCs directly, or daisy-chain
out to more hubs and switches to create as big a network as you need. Finally, the Router function ties it all
together and lets your whole network share a high-speed cable or DSL Internet connection.
To protect your data and privacy, the Wireless-G Broadband VPN Router can encrypt all wireless transmissions.
The Router can serve as a DHCP Server, has NAT technology to protect against Internet intruders, supports VPN
pass-through, and can be configured to filter internal users’ access to the Internet. Configuration is a snap with
the web browser-based configuration utility.
With the Linksys Wireless-G Broadband VPN Router at the center of your home or office network, you can share a
high-speed Internet connection, files, printers, and multi-player games with the flexibility, speed, and security
you need!
Chapter 1: Introduction
Welcome
Wireless-G Broadband VPN Router
What’s in this Guide?
This user guide covers the steps for setting up and using the Wireless-G VPN Broadband Router.
• Chapter 1: Introduction
This chapter describes the Wireless-G VPN Broadband Router applications and this User Guide.
• Chapter 2: Planning your Wireless Network
This chapter describes the basics of wireless networking.
• Chapter 3: Getting to Know the Wireless-G VPN Broadband Router
This chapter describes the physical features of the Router.
• Chapter 4: Connecting the Wireless-G VPN Broadband Router
This chapter instructs you on how to connect the Router to your network.
• Chapter 5: Configuring the PCs
This chapter explains how to configure the PCs for your network.
• Chapter 6: Configuring the Router
This chapter explains how to use the Web-Based Utility to configure the settings on the Router.
• Appendix A: Troubleshooting
This appendix describes some problems and solutions, as well as frequently asked questions, regarding
installation and use of the Wireless-G VPN Broadband Router.
• Appendix B: Wireless Security
This appendix explains the risks of wireless networking and some solutions to reduce the risks.
• Appendix C: Configuring IPSec between a Windows 2000 Pc and the Router
This appendix instructs you on how to establish a secure IPSec tunnel using preshared keys to join a private
network inside the VPN Router and a Windows 2000 or XP PC.
• Appendix D: SNMP Functions
This appendix explains SNMP.
• Appendix E: Upgrading Firmware
This appendix instructs you on how to upgrade the firmware on your Router if you should need to do so.
• Appendix F: Windows Help
This appendix describes how you can use Windows Help for instructions about networking, such as installing
the TCP/IP protocol.
Chapter 1: Introduction
What’s in this Guide?
Wireless-G Broadband VPN Router
• Appendix G: Finding the MAC Address and IP Address for your Ethernet Adapter.
This appendix describes how to find the MAC address for your computer’s Ethenet adapter so you can use the
MAC filtering and/or MAC address cloning feature of the Router.
• Appendix H: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
• Appendix I: Specifications
This appendix provides the technical specifications for the Router.
• Appendix J: Warranty Information
This appendix supplies the warranty information for the Router..
• Appendix K: Regulatory Information
This appendix supplies the regulatory information regarding the Router.
• Appendix L: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
Chapter 1: Introduction
What’s in this Guide?
Wireless-G VPN Broadband Router
Chapter 2: Planning your Wireless Network
The Router’s Functions
Simply put, a router is a network device that connects two networks together.
In this instance, the Router connects your Local Area Network (LAN), or the group of PCs in your home or office, to
the Internet. The Router processes and regulates the data that travels between these two networks.
The Router’s NAT feature protects your network of PCs so users on the public, Internet side cannot “see” your
PCs. This is how your network remains private. The Router protects your network by inspecting every packet
coming in through the Internet port before delivery to the appropriate PC on your network. The Router inspects
Internet port services like the web server, ftp server, or other Internet applications, and, if allowed, it will forward
the packet to the appropriate PC on the LAN side.
Remember that the Router’s ports connect to two sides. The LAN ports connect to the LAN, and the Internet port
connects to the Internet. The LAN and Internet ports transmit data at 10/100Mbps.
IP Addresses
What’s an IP Address?
IP stands for Internet Protocol. Every device on an IP-based network, including PCs, print servers, and routers,
requires an IP address to identify its “location,” or address, on the network. This applies to both the Internet and
LAN connections. There are two ways of assigning an IP address to your network devices. You can assign static
IP addresses or use the Router to assign IP addresses dynamically.
Static IP Addresses
A static IP address is a fixed IP address that you assign manually to a PC or other device on the network. Since a
static IP address remains valid until you disable it, static IP addressing ensures that the device assigned it will
always have that same IP address until you change it. Static IP addresses must be unique and are commonly
used with network devices such as server PCs or print servers.
Chapter 2: Planning your Wireless Network
The Router’s Functions
Figure 2-1: Network
LAN: the computers and networking products that
make up your local network
NOTE: Since the Router is a device that connects two
networks, it needs two IP addresses—one for the LAN,
and one for the Internet. In this User Guide, you’ll see
references to the “Internet IP address” and the “LAN IP
address.”
Since the Router uses NAT technology, the only IP
address that can be seen from the Internet for your
network is the Router’s Internet IP address. However,
even this Internet IP address can be blocked, so that the
Router and network seem invisible to the Internet—see
the Block WAN Requests description under Filters in
“Chapter 7: The Router’s Web-based Utility.”
Wireless-G VPN Broadband Router
If you use the Router to share your cable or DSL Internet connection, contact your ISP to find out if they have
assigned a static IP address to your account. If so, you will need that static IP address when configuring the
Router. You can get that information from your ISP.
Dynamic IP Addresses
A dynamic IP address is automatically assigned to a device on the network, such as PCs and print servers. These
IP addresses are called “dynamic” because they are only temporarily assigned to the PC or device. After a
certain time period, they expire and may change. If a PC logs onto the network (or the Internet) and its dynamic IP
address has expired, the DHCP server will automatically assign it a new dynamic IP address.
DHCP (Dynamic Host Configuration Protocol) Servers
PCs and other network devices using dynamic IP addressing are assigned a new IP address by a DHCP server.
The PC or network device obtaining an IP address is called the DHCP client. DHCP frees you from having to assign
IP addresses manually every time a new user is added to your network.
A DHCP server can either be a designated PC on the network or another network device, such as the Router. By
default, the Router’s DHCP Server function is enabled.
If you already have a DHCP server running on your network, you must disable one of the two DHCP servers. If you
run more than one DHCP server on your network, you will experience network errors, such as conflicting IP
addresses. To disable DHCP on the Router, see the DHCP section in “Chapter 6: The Router’s Web-based Utility.”
Why do I need a VPN?
Computer networking provides a flexibility not available when using an archaic, paper-based system. With this
flexibility, however, comes an increased risk in security. This is why firewalls were first introduced. Firewalls
help to protect data inside of a local network. But what do you do once information is sent outside of your local
network, when emails are sent to their destination, or when you have to connect to your company's network
when you are out on the road? How is your data protected?
That is when a VPN can help. VPNs are called Virtual Private Networks because they secure data moving outside
of your network as if it were still within that network.
When data is sent out across the Internet from your computer, it is always open to attacks. You may already have
a firewall, which will help protect data moving around or held within your network from being corrupted or
intercepted by entities outside of your network, but once data moves outside of your network - when you send
data to someone via email or communicate with an individual over the Internet - the firewall will no longer protect
that data.
Chapter 2: Planning your Wireless Network
Why do I need a VPN?
Wireless-G VPN Broadband Router
At this point, your data becomes open to hackers using a variety of methods to steal not only the data you are
transmitting but also your network login and security data. Some of the most common methods are as follows:
1) MAC Address Spoofing
Packets transmitted over a network, either your local network or the Internet, are preceded by a packet header.
These packet headers contain both the source and destination information for that packet to transmit efficiently.
A hacker can use this information to spoof (or fake) a MAC address allowed on the network. With this spoofed
MAC address, the hacker can also intercept information meant for another user.
2) Data Sniffing
Data "sniffing" is a method used by hackers to obtain network data as it travels through unsecured networks,
such as the Internet. Tools for just this kind of activity, such as protocol analyzers and network diagnostic tools,
are often built into operating systems and allow the data to be viewed in clear text.
3) Man in the middle attacks
Once the hacker has either sniffed or spoofed enough information, he can now perform a "man in the middle"
attack. This attack is performed, when data is being transmitted from one network to another, by rerouting the
data to a new destination. Even though the data is not received by its intended recipient, it appears that way to
the person sending the data.
These are only a few of the methods hackers use and they are always developing more. Without the security of
your VPN, your data is constantly open to such attacks as it travels over the Internet. Data travelling over the
Internet will often pass through many different servers around the world before reaching its final destination.
That's a long way to go for unsecured data and this is when a VPN serves its purpose.
What is a VPN?
A VPN, or Virtual Private Network, is a connection between two endpoints - a VPN Router, for instance - in
different networks that allows private data to be sent securely over a shared or public network, such as the
Internet. This establishes a private network that can send data securely between these two locations or
networks.
This is done by creating a "tunnel". A VPN tunnel connects the two PCs or networks and allows data to be
transmitted over the Internet as if it were still within those networks. Not a literal tunnel, it is a connection
secured by encrypting the data sent between the two networks.
VPN was created as a cost-effective alternative to using a private, dedicated, leased line for a private network.
Using industry standard encryption and authentication techniques - IPSec, short for IP Security - the VPN creates
Chapter 2: Planning your Wireless Network
What is a VPN?
Wireless-G VPN Broadband Router
a secure connection that, in effect, operates as if you were directly connected to your local network. Virtual
Private Networking can be used to create secure networks linking a central office with branch offices,
telecommuters, and/or professionals on the road (travelers can connect to a VPN Router using any computer with
VPN client software that supports IPSec, such as SSH Sentinel.)
There are two basic ways to create a VPN connection:
•VPN Router to VPN Router
•Computer (using VPN client software that supports IPSec) to VPN Router
The VPN Router creates a “tunnel” or channel between two endpoints, so that data transmissions between them
are secure. A computer with VPN client software that supports IPSec can be one of the two endpoints. Any
computer with the built-in IPSec Security Manager (Microsoft 2000 and XP ) allows the VPN Router to create a
VPN tunnel using IPSec (refer to “Appendix C: Configuring IPSec between a Windows 2000 or XP PC and the VPN
Router”). Other versions of Microsoft operating systems require additional, third-party VPN client software
applications that support IPSec to be installed.
VPN Router to VPN Router
An example of a VPN Router-to-VPN Router VPN would be as follows. (See Figure 2-2.) At home, a telecommuter
uses his VPN Router for his always-on Internet connection. His router is configured with his office's VPN settings.
When he connects to his office's router, the two routers create a VPN tunnel, encrypting and decrypting data. As
VPNs utilize the Internet, distance is not a factor. Using the VPN, the telecommuter now has a secure connection
to the central office's network, as if he were physically connected.
Figure 2-2:
IMPORTANT: You must have at least one VPN
Router on one end of the VPN tunnel. At the other
end of the VPN tunnel, you must have a second
VPN Router or a computer with VPN client
software that supports IPSec.
Chapter 2: Planning your Wireless Network
What is a VPN?
Wireless-G VPN Broadband Router
Computer (using VPN client software that supports IPSec) to VPN Router
The following is an example of a computer-to-VPN Router VPN. (See Figure 2-3.) In her hotel room, a traveling
businesswoman dials up her ISP. Her notebook computer has VPN client software that is configured with her
office's VPN settings. She accesses the VPN client software that supports IPSec and connects to the VPN Router
at the central office. As VPNs utilize the Internet, distance is not a factor. Using the VPN, the businesswoman now
has a secure connection to the central office's network, as if she were physically connected.
For additional information and instructions about creating your own VPN, please visit Linksys’s website at
www.linksys.com or refer to “Appendix C: Configuring IPSec between a Windows 2000 or XP PC and the VPN
Router.”
Figure 2-3:
Chapter 2: Planning your Wireless Network
What is a VPN?
Wireless-G VPN Broadband Router
Chapter 3: Getting to Know the Wireless-G VPN Broadband
Router
The Back Panel
The Router’s ports, where a network cable is connected, are located on the back panel.
Figure 3-1: Back Panel
Internet
The Internet port connects to your modem.
LAN (1-4)
The LAN (Local Area Network) ports connect to your PC and other network devices.
Power
The Power port is where you will connect the power adapter.
Reset Button
There are two ways to Reset the Router's factory defaults. Either press the Reset Button, for
approximately ten seconds, or restore the defaults from the Password tab in the Router’s WebBased Utility.
Important: Resetting the Router will erase all
of your settings (WEP Encryption, Wireless and
LAN settings, etc.) and replace them with the
factory defaults. Do not reset the Router if you
want to retain these settings.
With these, and many other, Linksys products, your networking options are limitless. Go to the Linksys website at
www.linksys.com for more information about products that work with the Router.
Chapter 3:
The Back Panel
Wireless-G VPN Broadband Router
The Front Panel
The Router's LEDs, where information about network activity is displayed, are located on the front panel.
Figure 3-2: Front Panel
Power
Green. The Power LED lights up when the Access Point is powered on.
DMZ
Red. The DMZ LED indicates the Access Point's self- diagnosis mode during boot-up and
restart. It will turn off upon completing the diagnosis. If this LED stays on for an abnormally
long period of time, refer to Appendix A: Troubleshooting.
Internet
Green. The Internet LED lights whenever there is a successful wireless connection. If the LED
is flickering, the Router is actively sending or receiving data to or from one of the devices on
the network.
Wireless-G
Green. The Wireless-G LED lights whenever there is a successful wireless connection.
LAN (1-4)
Green. The LAN LED serves two purposes. If the LED is continuously lit, the Router is
successfully connected to a device through the LAN port. If the LED is flickering, it is an
indication of any network activity.
Chapter 3: Getting to Know the Wireless-G VPN Broadband Router
The Front Panel
10
Wireless-G VPN Broadband Router
Chapter 4: Connecting the Wireless-G Broadband Router
Overview
The Router’s setup consists of more than simply plugging hardware together. You will have to configure your
networked PCs to accept the IP addresses that the Router assigns them (if applicable), and you will also have to
configure the Router with setting(s) provided by your Internet Service Provider (ISP).
The installation technician from your ISP should have left the setup information for your modem with you after
installing your broadband connection. If not, you can call your ISP to request that data.
Once you have the setup information you need for your specific type of Internet connection, you can begin
installation and setup of the Router.
If you want to use a PC with an Ethernet adapter to configure the Router, continue to “Wired Connection to a PC.”
If you want to use a PC with a wireless adapter to configure the Router, continue to “Wireless Connection to a
PC.”
Chapter 4: Connecting the Wireless-G Broadband Router
Overview
11
Wireless-G VPN Broadband Router
Wired Connection to a PC
1. Before you begin, make sure that all of your network’s hardware is powered off, including the Router, PCs,
and cable or DSL modem.
2. Connect one end of an Ethernet network cable to one of the LAN ports (labeled 1-4) on the back of the Router
(see Figure 4-1), and the other end to an Ethernet port on a PC.
3. Repeat this step to connect more PCs, a switch, or other network devices to the Router.
Figure 4-1:
4. Connect a different Ethernet network cable from your cable or DSL modem to the Internet port on the Router’s
rear panel (see Figure 4-2). This is the only port that will work for your modem connection.
5. Power on the cable or DSL modem.
6. Connect the power adapter to the Router’s Power port (see Figure 4-3), and then plug the power adapter into
a power outlet.
• The Power LED on the front panel will light up green as soon as the power adapter is connected properly.
The Power LED will flash for a few seconds, then it will light up steady when the self-test is complete. If
the LED flashes for one minute or longer, see “Appendix A: Troubleshooting.”
Figure 4-2:
7. Power on one of your PCs that is connected to the Router.
Wireless Connection to a PC
If you want to use a wireless connection to access the Router, follow these instructions:
1. Before you begin, make sure that all of your network’s hardware is powered off, including the Router, PCs,
and cable or DSL modem.
2. Connect an Ethernet network cable from your cable or DSL modem to the Internet port on the Router’s rear
panel (see Figure 4-2). This is the only port that will work for your modem connection.
3. Power on the cable or DSL modem.
4. Connect the power adapter to the Power port (see Figure 4-3), and then plug the power adapter into a power
outlet.
Chapter 4: Connecting the Wireless-G Broadband Router
Wired Connection to a PC
Figure 4-3:
NOTE: IYou should always plug the Router’s
power adapter into a power strip with surge
protection.
NOTE: IYou should always change the SSID
from its default, linksys, and enable WEP
encryption.
12
Wireless-G VPN Broadband Router
• The Power LED on the front panel will light up green as soon as the power adapter is connected properly.
The Power LED will flash for a few seconds, then light up steady when the self-test is complete. If the LED
flashes for one minute or longer, see “Appendix A: Troubleshooting.”
5. Power on one of the PCs on your wireless network(s).
6. For initial access to the Router through a wireless connection, make sure the PC’s wireless adapter has its
SSID set to linksys-g (the Router’s default setting), and its WEP encryption is disabled. After you have
accessed the Router, you can change the Router and this PC’s adapter settings to match the your usual
network settings.
The Router’s hardware installation is now complete.
Go to “Chapter 5: Configuring the PCs.”
Chapter 4: Connecting the Wireless-G Broadband Router
Wireless Connection to a PC
13
Wireless-G VPN Broadband Router
Chapter 5: Configuring the PCs
Overview
The instructions in this chapter will help you configure each of your computers to be able to communicate with
the Router.
To do this, you need to configure your PC’s network settings to obtain an IP (or TCP/IP) address automatically, so
your PC can function as a DHCP client. Computers use IP addresses to communicate with the Router and each
other across a network, such as the Internet.
IMPORTANT: Important: By default Windows 98,
2000, Me, and XP has TCP/IP installed and set to
obtain an IP address automatically. If your PC does
not have TCP/IP installed, click Start and then
Help. Search for the keyword TCP/IP. Then follow
the instructions to install TCP/IP.
First, find out which Windows operating system your computer is running. You can find out by clicking the Start
button. Read the side panel of the Start menu to find out which operating system your PC is running.
You may need to do this for each computer you are connecting to the Router.
The next few pages tell you, step by step, how to configure your network settings based on the type of Windows
operating system you are using. Make sure that an Ethernet or wireless adapter (also known as a network
adapter) has been successfully installed in each PC you will configure. Once you’ve configured your computers,
continue to “Chapter 6: Using the Router’s Web-Based Utility.”
Configuring Windows 98 and Millennium PCs
1. Click the Start button. Select Settings and click the Control Panel icon. Double-click the Network icon.
Figure 5-1: Configuration Tab
2. On the Configuration tab, select the TCP/IP line for the applicable Ethernet adapter, as shown in Figure 5-1.
Do not choose a TCP/IP entry whose name mentions DUN, PPPoE, VPN, or AOL. If the word TCP/IP appears by
itself, select that line. Click the Properties button.
3. Click the IP Address tab. Select Obtain an IP address automatically. (See Figure 5-2.)
Figure 5-2: IP Address Tab
Chapter 5: Configuring the PCs
Overview
14
Wireless-G VPN Broadband Router
4. Now click the Gateway tab, and verify that the Installed Gateway field is blank. Click the OK button.
5. Click the OK button again. Windows may ask you for the original Windows installation disk or additional files.
Check for the files at c:\windows\options\cabs, or insert your Windows CD-ROM into your CD-ROM drive and
check the correct file location, e.g., D:\win98, D:\win9x, etc. (if “D” is the letter of your CD-ROM drive).
6. Windows may ask you to restart your PC. Click the Yes button. If Windows does not ask you to restart, restart
your computer anyway.
Go to “Chapter 6: Using the Router’s Web-Based Utility.”
Configuring Windows 2000 PCs
Figure 5-3: Properties
1. Click the Start button. Select Settings and click the Control Panel icon. Double-click the Network and Dialup Connections icon.
2. Select the Local Area Connection icon for the applicable Ethernet adapter (usually it is the first Local Area
Connection listed). Double-click the Local Area Connection. Click the Properties button. (See Figure 5-3.)
3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and click
the Properties button. (See Figure 5-4.)
4. Select Obtain an IP address automatically. Once the new window appears, click the OK button. Click the
OK button again to complete the PC configuration. (See Figure 5-53.)
5. Restart your computer.
Go to “Chapter 6: Using the Router’s Web-Based Utility.”
Chapter 5: Configuring the PCs
Configuring Windows 2000 PCs
Figure 5-4: TCP/IP
Figure 5-5: IP Address
15
Wireless-G VPN Broadband Router
Configuring Windows XP PCs
The following instructions assume you are running Windows XP with the default interface. If you are using the
Classic interface (where the icons and menus look like previous Windows versions), please follow the
instructions for Windows 2000.
1. Click the Start button and then the Control Panel icon. Click the Network and Internet Connections icon.
Then click the Network Connections icon.
2. Select the Local Area Connection icon for the applicable Ethernet adapter (usually it is the first Local Area
Connection listed). Double-click the Local Area Connection. Click the Properties button. (See Figure 5-6.)
3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and
click the Properties button. (See Figure 5-7.)
4. Select Obtain an IP address automatically. (See Figure 5-8.) Once the new window appears, click the OK
button. Click the OK button again to complete the PC configuration.
Figure 5-6: Properties
Go to “Chapter 6: Using the Router’s Web-Based Utility.”
Figure 5-7: TCP/IP
Chapter 5: Configuring the PCs
Configuring Windows XP PCs
16

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