LINKSYS WRK54GV2 Users Manual
A Division of Cisco Systems, Inc.
®
2.4
Model No.
GHz
802.11g
WIRELESS
WRK54G
Wireless-G
Broadband Router
User Guide
Wireless-G Broadband Router
Copyright and Trademarks
Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco
Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2005 Cisco Systems, Inc. All
rights reserved. Other brands and product names are trademarks or registered trademarks of their respective
holders.
WARNING: This product contains chemicals, including lead, known
to the State of California to cause cancer, and birth defects or other
reproductive harm. Wash hands after handling.
How to Use This User Guide
This User Guide has been designed to make understanding networking with the Wireless-G Broadband 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 Wireless-G Broadband Router.
This exclamation point means there is a caution or
warning and is something that could damage your
property or the Wireless-G Broadband Router.
This question mark provides you with a reminder
about something you might need to do while using
the Wireless-G Broadband 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”.
WRK54G-UG-51019 BW
Wireless-G Broadband Router
Table of Contents
Chapter 1: Introduction 1
Welcome 1
What’s in this User Guide? 2
Chapter 2: Planning Your Wireless Network 4
Network Topology 4
Ad-Hoc versus Infrastructure Mode 4
Network Layout 4
Chapter 3: Getting to Know the Wireless-G Broadband Router 6
The Back Panel 6
The Front Panel 7
Chapter 4: Connecting the Wireless-G Broadband Router 8
Overview 8
Hardware Installation for Connection to Your Broadband Modem 8
Hardware Installation for Connection to Another Router 10
Chapter 5: Configuring the Wireless-G Broadband Router 12
Overview 12
The Setup Tab - Basic Setup 13
The Setup Tab - DDNS 18
The Setup Tab - MAC Address Clone 19
The Setup Tab - Advanced Routing 20
The Wireless Tab - Basic Wireless Settings 21
The Wireless Tab - Wireless Security 22
The Wireless Tab - Wireless MAC Filter 25
The Wireless Tab - Advanced Wireless Settings 26
The Security Tab - Firewall 27
The Security Tab - VPN Passthrough 27
The Access Restrictions Tab - Internet Access 28
The Applications and Gaming Tab - Port Range Forward 30
The Applications & Gaming Tab - Port Triggering 31
The Applications and Gaming Tab - DMZ 32
The Applications and Gaming Tab - QoS 32
The Administration Tab - Management 35
Wireless-G Broadband Router
The Administration Tab - Log 35
The Administration Tab - Diagnostics 36
The Administration Tab - Factory Defaults 37
The Administration Tab - Firmware Upgrade 37
The Administration Tab - Config Management 37
The Status Tab - Router 38
The Status Tab - Local Network 39
The Status Tab - Wireless 39
Appendix A: Troubleshooting 40
Common Problems and Solutions 40
Frequently Asked Questions 48
Appendix B: Wireless Security 55
Security Precautions 55
Security Threats Facing Wireless Networks 55
Appendix C: Upgrading Firmware 58
Appendix D: Windows Help 59
Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter 60
Windows 98SE or Me Instructions 60
Windows 2000 or XP Instructions 60
For the Router’s Web-based Utility 61
Appendix F: Glossary 62
Appendix G: Specifications 69
Appendix H: Warranty Information 71
Appendix I: Regulatory Information 72
Appendix J: Contact Information 78
Wireless-G Broadband Router
List of Figures
Figure 3-1: The Router’s Back Panel 6
Figure 3-2: The Router’s Front Panel 7
Figure 4-1: Connecting Your Internet Connection 8
Figure 4-2: Connecting Your Network Devices 9
Figure 4-3: Connecting the Power 9
Figure 4-4: Diagram for Connection to Another Router 10
Figure 4-5: Connecting Another Router 10
Figure 4-6: Connecting Your Network Devices 11
Figure 4-7: Connecting the Power 11
Figure 5-1: Password Screen 12
Figure 5-2: Setup Tab - Basic Setup 13
Figure 5-3: DHCP Connection Type 13
Figure 5-4: Static IP Connection Type 13
Figure 5-5: PPPoE Connection Type 14
Figure 5-6: PPTP Connection Type 14
Figure 5-7: L2TP Connection Type 15
Figure 5-8: Telestra Cable Connection Type 15
Figure 5-9: Optional Settings 16
Figure 5-10: Router IP 16
Figure 5-11: Network Address Server Settings 17
Figure 5-12: Time Setting 17
Figure 5-13: Setup Tab - DDNS - DynDNS account 18
Figure 5-14: Setup Tab - DDNS - TZO account 18
Figure 5-15: Setup Tab - MAC Address Clone 19
Figure 5-16: Setup Tab - Advanced Routing (Gateway) 20
Figure 5-17: Setup Tab - Advanced Routing (Router) 20
Figure 5-18: Wireless Tab - Basic Wireless Settings 21
Figure 5-19: Wireless Tab - Wireless Security (WPA Personal) 22
Figure 5-20: Wireless Tab - Wireless Security (WPA Enterprise) 22
Figure 5-21: Wireless Tab - Wireless Security (WPA2 Personal) 23
Figure 5-22: Wireless Tab - Wireless Security (WPA2 Enterprise) 23
Wireless-G Broadband Router
Figure 5-23: Wireless Tab - Wireless Security (RADIUS) 24
Figure 5-24: Wireless Tab - Wireless Security (WEP) 24
Figure 5-25: Wireless Tab - Wireless MAC Filter 25
Figure 5-26: MAC Address Filter List 25
Figure 5-27: Wireless Tab - Advanced Wireless Settings 26
Figure 5-28: Security Tab - Firewall 27
Figure 5-29: Security Tab - VPN Passthrough 27
Figure 5-30: Access Restrictions Tab - Internet Access 28
Figure 5-31: Internet Policy Summary 28
Figure 5-32: List of PCs 28
Figure 5-33: Port Services 29
Figure 5-34: Applications and Gaming Tab - Port Range Forward 30
Figure 5-35: Applications and Gaming Tab - Port Triggering 31
Figure 5-36: Applications and Gaming Tab - DMZ 32
Figure 5-37: Applications and Gaming Tab - QOS 32
Figure 5-38: Applications and Gaming Tab - QOS Adding an New Application 33
Figure 5-39: Administration Tab - Management 35
Figure 5-40: Administration Tab - Log 35
Figure 5-41: Administration Tab - Diagnostics 36
Figure 5-42: The Ping Test 36
Figure 5-43: The Traceroute Test 36
Figure 5-44: Administration Tab - Factory Defaults 37
Figure 5-45: Administration Tab - Firmware Upgrade 37
Figure 5-46: Administration Tab - Config Management 37
Figure 5-47: Status Tab - Router 38
Figure 5-48: Status Tab - Local Network 39
Figure 5-49: DHCP Clients Table 39
Figure 5-50: Status Tab - Wireless 39
Figure C-1: Upgrade Firmware 58
Figure E-1: IP Configuration Screen 60
Figure E-2: MAC Address/Adapter Address 60
Figure E-3: MAC Address/Physical Address 60
Figure E-4: MAC Address Filter List 61
Figure E-5: MAC Address Clone 61
Wireless-G Broadband Router
Chapter 1: Introduction
Welcome
Thank you for choosing the Linksys Wireless-G Broadband Router. The Wireless-G Broadband Router will allow
you to network wirelessly better than ever, sharing Internet access, files and fun, easily and securely.
How does the Wireless-G Broadband Router do all of this? A router is a device that allows access to an Internet
connection over a network. With the Wireless-G Broadband Router, this access can be shared over the four
switched ports or via the wireless broadcast at up to 11Mbps for Wireless-B or up to 54Mbps for Wireless-G.
Use the WPA standard to secure your wireless network while the whole network is protected through a Stateful
Packet Inspection (SPI) firewall and Network Address Translation (NAT) technology. Run the Setup Wizard and it
will guide you through the steps. You can also access the Router’s features through the easy-to-use, browserbased utility.
But what does all of this mean?
Networks are useful tools for sharing computer resources. You can access one printer from different computers
and access data located on another computer's hard drive. Networks are even used for playing multiplayer video
games. So, networks are not only useful in homes and offices, they can also be fun.
PCs on a wired network create a LAN, or Local Area Network. They are connected with Ethernet cables, which is
why the network is called “wired”.
spi (stateful packet inspection) firewall: a technology
that inspects incoming packets of information before
allowing them to enter the network.
firewall: Security measures that protect the
resources of a local network from intruders.
nat (network address translation): NAT technology
translates IP addresses of a local area network to a
different IP address for the Internet.
PCs equipped with wireless cards or adapters can communicate without cumbersome cables. By sharing the
same wireless settings, within their transmission radius, they form a wireless network. This is sometimes called
a WLAN, or Wireless Local Area Network. The Wireless-G Broadband Router bridges wireless networks of both
802.11b and 802.11g standards and wired networks, allowing them to communicate with each other.
With your networks all connected, wired, wireless, and the Internet, you can now share files and Internet
access—and even play games. All the while, the Wireless-G Broadband Router protects your networks from
unauthorized and unwelcome users.
Linksys recommends using the Setup CD-ROM for first-time installation of the Router. If you do not wish to run
the Setup Wizard on the Setup CD-ROM, then use the instructions in this Guide to help you connect the
Wireless-G Broadband Router, set it up, and configure it to bridge your different networks. These instructions
should be all you need to get the most out of the Wireless-G Broadband Router.
Chapter 1: Introduction
Welcome
lan (local area network): The computers and
networking products that make up the network in
your home or office.
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Wireless-G Broadband Router
What’s in this User Guide?
This user guide covers the steps for setting up and using the Wireless-G Broadband Router.
• Chapter 1: Introduction
This chapter describes the Router’s 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 Broadband Router
This chapter describes the physical features of the Router.
• Chapter 4: Connecting the Wireless-G Broadband Router
This chapter instructs you on how to connect the Router to your network.
• Chapter 5: Configuring the Wireless-G Broadband Router
This chapter explains how to use the Web-based Utility to configure the settings on the Wireless-G Broadband
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 Broadband Router.
• Appendix B: Wireless Security
This appendix explains the risks of wireless networking and some solutions to reduce the risks.
• Appendix C: Upgrading Firmware
This appendix instructs you on how to upgrade the firmware on the Router should you need to do so.
• Appendix D: Windows Help
This appendix describes how you can use Windows Help for instructions about networking, such as installing
the TCP/IP protocol.
• Appendix E: Finding the MAC Address and IP Address for your Ethernet Adapter.
This appendix describes how to find the MAC address for your computer’s Ethernet adapter so you can use
the MAC filtering and/or MAC address cloning feature of the Router.
• Appendix F: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
Chapter 1: Introduction
What’s in this User Guide?
2
Wireless-G Broadband Router
• Appendix G: Specifications
This appendix provides the technical specifications for the Router.
• Appendix H: Warranty Information
This appendix supplies the warranty information for the Router.
• Appendix I: Regulatory Information
This appendix supplies the regulatory information regarding the Router.
• Appendix J: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
Chapter 1: Introduction
What’s in this User Guide?
3
Wireless-G Broadband Router
Chapter 2: Planning Your Wireless Network
Network Topology
A wireless local area network (WLAN) is exactly like a regular local area network (LAN), except that each
computer in the WLAN uses a wireless device to connect to the network. Computers in a WLAN share the same
frequency channel and SSID, which is an identification name shared by the wireless devices belonging to the
same wireless network.
Ad-Hoc versus Infrastructure Mode
ssid (service set identifier): your wireless network’s name.
Unlike wired networks, wireless networks have two different modes in which they may be set up: infrastructure
and ad-hoc. An infrastructure configuration is a WLAN and wired LAN communicating to each other through an
access point. An ad-hoc configuration is wireless-equipped computers communicating directly with each other.
Choosing between these two modes depends on whether or not the wireless network needs to share data or
peripherals with a wired network or not.
If the computers on the wireless network need to be accessible by a wired network or need to share a peripheral,
such as a printer, with the wired network computers, the wireless network should be set up in Infrastructure
mode. The basis of Infrastructure mode centers around a wireless router or an access point, such as the
Wireless-G Broadband Router, which serves as the main point of communications in a wireless network. The
Router transmits data to PCs equipped with wireless network adapters, which can roam within a certain radial
range of the Router. You can arrange the Router and multiple access points to work in succession to extend the
roaming range, and you can set up your wireless network to communicate with your Ethernet hardware as well.
If the wireless network is relatively small and needs to share resources only with the other computers on the
wireless network, then the Ad-Hoc mode can be used. Ad-Hoc mode allows computers equipped with wireless
transmitters and receivers to communicate directly with each other, eliminating the need for a wireless router or
access point. The drawback of this mode is that in Ad-Hoc mode, wireless-equipped computers are not able to
communicate with computers on a wired network. And, of course, communication between the wirelessequipped computers is limited by the distance and interference directly between them.
Network Layout
The Wireless-G Broadband Router has been specifically designed for use with both your 802.11b and 802.11g
products. Now, products using these standards can communicate with each other.
infrastructure: a wireless network that is bridged
to a wired network via an access point.
ad-hoc: a group of wireless devices
communicating directly to each other (peer-topeer) without the use of an access point.
Chapter 2: Planning Your Wireless Network
Network Topology
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Wireless-G Broadband Router
The Wireless-G Broadband Router is compatible with all 802.11b and 802.11g adapters, such as the Notebook
Adapters (WPC54G, WPC11) for your laptop computers, PCI Adapter (WMP54G, WMP11) for your desktop PC, and
USB Adapter (WUSB54G, WUSB11) when you want to enjoy USB connectivity. The Broadband Router will also
communicate with the Wireless PrintServer (WPS54G) and Wireless Ethernet Bridges (WET54G, WET11).
When you wish to connect your wireless network with your wired network, you can use the Wireless-G
Broadband Router’s four LAN ports. To add more ports, any of the Wireless-G Broadband Router's LAN ports can
be connected to any of Linksys's switches (such as the SD205 or SD208).
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 Wireless-G Broadband Router.
Chapter 2: Planning Your Wireless Network
Network Layout
5
Wireless-G Broadband Router
Chapter 3: Getting to Know the Wireless-G Broadband
Router
The Back Panel
The Router's ports, where the cables are connected, are located on the back panel.
IMPORTANT: Resetting the Router will erase all of
your settings (Internet connection, wireless
Figure 3-1: The Router’s Back Panel
Reset Button There are two ways to reset the Router's factory defaults. Either press the Reset Button, for
approximately five seconds, or restore the defaults from the Administration tab - Factory
Defaults in the Router's Web-based Utility.
security, and other settings) and replace them with
the factory defaults. Do not reset the Router if you
want to retain these settings.
Internet The Internet port is where you will connect your broadband Internet connection.
1, 2, 3, 4 These ports (1, 2, 3, 4) connect the Router to your networked PCs and other Ethernet network
devices.
Power The Power port is where you will connect the power adapter.
Chapter 3: Getting to Know the Wireless-G Broadband Router
The Back Panel
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