2.4 Wireless- G User Guide
2.4 GHz Wireless-G
802.11g
WIRELESS
Model No.
Broadband Router
with 2 Phone Ports
WRTU54G-TM
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User Guide
Wireless-G Broadband Router with 2 Phone Ports
Copyright and Trademarks
Specifications are subject to change without notice. Linksys, Cisco and the Cisco Logo are registered trademarks
or trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2008
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”.
WRTU54G-TM-UG-81009-B-BW-DF-JL
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Wireless-G Broadband Router with 2 Phone Ports
Table of Contents
Chapter 1: Introduction
Welcome
What’s in this User Guide?
Chapter 2: Planning Your Wireless Network
Network Topology
Ad-Hoc versus Infrastructure Mode
Network Layout
Chapter 3: Getting to Know the Wireless-G Broadband Router
The Back Panel
The Front Panel
Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
Overview
Hardware Installation for Connection to Your Broadband Modem
Hardware Installation for Connection to An Existing Router
Placement Options
SIM Card Installation
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Overview
The Setup Tab - Basic Setup
The Setup Tab - DDNS
The Setup Tab - MAC Address Clone
The Setup Tab - Advanced Routing
The Wireless Tab - Basic Wireless Settings
The Wireless Tab - Wireless Security
The Wireless Tab - Wireless MAC Filter
The Wireless Tab - Advanced Wireless Settings
The Security Tab - Firewall
The Security Tab - VPN Passthrough
The Access Restrictions Tab - Internet Access
The Applications and Gaming Tab - Port Range Forward
The Applications & Gaming Tab - Port Triggering
The Applications and Gaming Tab - DMZ
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The Applications and Gaming Tab - QoS
The Administration Tab - Management
The Administration Tab - Log
The Administration Tab - Diagnostics
The Administration Tab - Factory Defaults
The Administration Tab - Firmware Upgrade
The Administration Tab - Config Management
The Status Tab - Router
The Status Tab - Local Network
The Status Tab - Wireless
The Status Tab - Voice
Appendix A: Troubleshooting
Common Problems and Solutions
Frequently Asked Questions
Appendix B: Wireless Security
Security Precautions
Security Threats Facing Wireless Networks
Appendix C: Upgrading Firmware
Appendix D: Windows Help
Appendix E: Finding the MAC Address and IP Address for Your
Ethernet Adapter
Windows 2000 or XP Instructions
Windows Vista Instructions
For the Router’s Web-based Utility
Appendix F: Glossary
Appendix G: Specifications
Appendix H: Warranty Information
Appendix I: Regulatory Information
Appendix J: Software License Agreement
Software in Linksys Products
Schedule 1 - Linksys Software License Agreement
Schedule 2
Schedule 3
Schedule 4
Appendix K: Contact Information
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List of Figures
Figure 3-1: The Router’s Back Panel
Figure 3-2: The Router’s Front Panel
Figure 4-1: Connecting Your Internet Connection
Figure 4-2: Connecting Your Network Devices
Figure 4-3: Connecting the Power
Figure 4-4: Connecting the Phone
Figure 4-5: Diagram for Connection to Another Router
Figure 4-6: Connecting to Another Router
Figure 4-7: Connecting Your Network Devices
Figure 4-8: Connecting the Power
Figure 4-9: Connecting the Phone
Figure 4-10: Measurement between Wall-Mount Slots
Figure 4-11: Slide Down the SIM Card Cover
Figure 4-12: Slide and Lift SIM Card Holder and Insert SIM Card
Figure 4-13: Fold Down the SIM Card Holder and Slide into Place
Figure 5-1: Password Screen
Figure 5-2: Setup Tab - Basic Setup
Figure 5-3: DHCP Connection Type
Figure 5-4: Static IP Connection Type
Figure 5-5: PPPoE Connection Type
Figure 5-6: PPTP Connection Type
Figure 5-7: L2TP Connection Type
Figure 5-8: Optional Settings
Figure 5-9: Router IP
Figure 5-10: Network Address Server Settings
Figure 5-11: Time Setting
Figure 5-12: Setup Tab - DDNS
Figure 5-13: Setup Tab - DDNS
Figure 5-14: Setup Tab - MAC Address Clone
Figure 5-15: Setup Tab - Advanced Routing (Router)
Figure 5-16: Setup Tab - Advanced Routing (Bridge)
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Figure 5-17: Wireless Tab - Basic Wireless Settings
Figure 5-18: Wireless Tab - Wireless Security (WPA Personal)
Figure 5-19: Wireless Tab - Wireless Security (WPA Enterprise)
Figure 5-20: Wireless Tab - Wireless Security (WPA2 Personal)
Figure 5-21: Wireless Tab - Wireless Security (WPA2 Enterprise)
Figure 5-22: Wireless Tab - Wireless Security (RADIUS)
Figure 5-23: Wireless Tab - Wireless Security (WEP)
Figure 5-24: Wireless Tab - Wireless MAC Filter
Figure 5-25: MAC Address Filter List
Figure 5-26: Wireless Tab - Advanced Wireless Settings
Figure 5-27: Security Tab - Firewall
Figure 5-28: Security Tab - VPN Passthrough
Figure 5-29: Access Restrictions Tab - Internet Access
Figure 5-30: Internet Policy Summary
Figure 5-31: List of PCs
Figure 5-32: Port Services
Figure 5-33: Applications and Gaming Tab - Port Range Forward
Figure 5-34: Applications and Gaming Tab - Port Triggering
Figure 5-35: Applications and Gaming Tab - DMZ
Figure 5-36: Applications and Gaming Tab - QOS
Figure 5-37: Administration Tab - Management
Figure 5-38: Administration Tab - Log
Figure 5-39: Administration Tab - Diagnostics
Figure 5-40: The Ping Test
Figure 5-41: The Traceroute Test
Figure 5-42: Administration Tab - Factory Defaults
Figure 5-43: Administration Tab - Firmware Upgrade
Figure 5-44: Administration Tab - Config Management
Figure 5-45: Status Tab - Router
Figure 5-46: Status Tab - Local Network
Figure 5-47: DHCP Clients Table
Figure 5-48: Status Tab - Wireless
Figure 5-49: Status Tab - Voice
Figure 5-50: Status Tab - Voice - Call Log
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Figure 5-51: Status Tab - Voice - Error List
Figure C-1: Upgrade Firmware
Figure E-1: MAC Address/Physical Address
Figure E-2: MAC Address Filter List
Figure E-3: MAC Address Clone
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Chapter 1: Introduction
Welcome
Thank you for choosing the Linksys Wireless-G Broadband Router with 2 Phone Ports. The Wireless-G Broadband
Router with 2 Phone Ports 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 with 2 Phone Ports 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 with 2 Phone Ports, 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. Just run the Setup Wizard and
it will guide you through the steps to set up your network. You can also access the Router’s features through the
easy-to-use, browser-based 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.
NOTE: The Setup Wizard is not compatible with
Mac® computers. Refer to Chapter 4: Connecting the
Wireless-G Broadband Router with 2 Phone Ports and
Chapter 5: Configuring the Wireless-G Broadband
Router with 2 Phone Ports.
wpa (wi-fi protected access): a wireless security
protocol using TKIP (Temporal Key Integrity Protocol)
encryption, which can be used in conjunction with a
RADIUS server.
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.
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”.
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 with 2 Phone Ports bridges wireless
networks of both 802.11b and 802.11g standards and wired networks, allowing them to communicate with each
other.
lan (local area network): The computers and
networking products that make up the network in
your home or office.
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 with 2 Phone Ports 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
Chapter 1: Introduction
Welcome
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Wireless-G Broadband Router with 2 Phone Ports, 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 with 2 Phone
Ports.
What’s in this User Guide?
This user guide covers the steps for setting up and using the Wireless-G Broadband Router with 2 Phone Ports.
• 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 with 2 Phone Ports
This chapter describes the physical features of the Router.
• Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
This chapter instructs you on how to connect the Router to your network.
• Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports
This chapter explains how to use the Web-based Utility to configure the settings on the Wireless-G Broadband
Router with 2 Phone Ports.
• 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 with 2 Phone Ports.
• 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.
Chapter 1: Introduction
What’s in this User Guide?
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• Appendix F: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
• 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?
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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.
ssid (service set identifier): your wireless network’s name.
Ad-Hoc versus Infrastructure Mode
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.
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.
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.
Chapter 2: Planning Your Wireless Network
Network Topology
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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
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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.
Figure 3-1: The Router’s Back Panel
Internet
The Internet port is where you will connect your broadband Internet connection.
Ethernet 1-4
These ports (1-4) connect the Router to your networked PCs and other Ethernet network
devices.
Phone1 /Phone2 You can connect a phone in each of these ports.
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.
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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IMPORTANT: Resetting the Router will erase
all of your settings (Internet connection,
wireless security, and other settings) and
replace them with the factory defaults. Do not
reset the Router if you want to retain these
settings.
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Wireless-G Broadband Router with 2 Phone Ports
The Front Panel
The Router’s LEDs are located on the front panel.
Figure 3-2: The Router’s Front Panel
Power
Green. The Power LED lights up and will stay on while the Router is powered on. When the
Router goes through its self-diagnostic mode during every boot-up, this LED will flash. When
the diagnostic is complete, the LED will be solidly lit.
Ethernet 1-4
Green. These numbered LEDs, corresponding with the numbered ports on the Router’s back
panel, serve two purposes. If the LED is continuously lit, the Router is successfully connected
to a device through that port. A flashing LED indicates network activity over that port.
Wireless
Green. The WLAN LED lights up whenever there is a successful wireless connection. If the LED
is flashing, the Router is actively sending or receiving data over the network.
Phone1/Phone2 Blue. This LED lights up blue when a SIM card is correctly installed and registered. It will blink
when you have new voicemail.
Internet
Green. The Internet LED lights up when there is a connection made through the Internet port.
The LED flashes when there is traffic.
Pairing
Green. The LED lights up green when wireless security is enabled. When the Pairing button is
pushed, the Pairing LED flashes amber, then when the pairing is done, the LED lights up green.
Chapter 3: Getting to Know the Wireless-G Broadband Router
The Front Panel
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Wireless-G Broadband Router with 2 Phone Ports
Chapter 4: Connecting the Wireless-G Broadband Router
with 2 Phone Ports
Overview
This chapter includes two sets of connection instructions. If the Wireless-G Broadband Router with 2 Phone Ports
will be the only router in your network, follow the instructions in “Hardware Installation for Connection to Your
Broadband Modem.” If you want to install the Wireless-G Broadband Router with 2 Phone Ports behind an existing
router in your network, then follow the instructions in “Hardware Installation for Connection to an existing
Router.” Also included are Placement instructions, and SIM Card Installation instructions.
Hardware Installation for Connection to Your Broadband Modem
1. Power down your network devices.
2. Locate an optimum location for the Router. The best place for the Router is usually at the center of your
wireless network, with line of sight to all of your mobile stations.
3. Fix the direction of the antennas. Try to place the Router in a position that will best cover your wireless
network. Normally, the higher you place the antenna, the better the performance will be.
4. Connect a standard Ethernet network cable to the Router’s Internet port. Then, connect the other end of the
Ethernet cable to your cable or DSL broadband modem.
Figure 4-1: Connecting Your Internet Connection
Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
Overview
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Wireless-G Broadband Router with 2 Phone Ports
5. Connect your network PCs or Ethernet devices to the Router’s numbered ports using standard Ethernet
network cabling.
Figure 4-2: Connecting Your Network Devices
6. Connect the AC power adapter to the Router's Power port and the other end into an electrical outlet. Only use
the power adapter supplied with the Router. Use of a different adapter may damage the product.
IMPORTANT: Make sure you use the power
adapter that is supplied with the Router. Use of a
different power adapter could damage the Router.
Figure 4-3: Connecting the Power
7. Connect a standard telephone to the Router’s Phone1 port. If you have a second phone, connect the telephone to the
Router’s Phone2 port.
IMPORTANT: Do not connect the Phone port to a
telephone wall jack. Make sure you only connect a
telephone to the Phone port. Otherwise, the Router or the
telephone wiring in your home or office may be damaged.
Figure 4-4: Connecting the Phone
Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
Hardware Installation for Connection to Your Broadband Modem
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Wireless-G Broadband Router with 2 Phone Ports
Now that the hardware installation is complete, proceed to “Chapter 5: Configuring the Wireless-G
Broadband Router with 2 Phone Ports,” for directions on how to configure the Router.
Hardware Installation for Connection to An Existing Router
Your existing Router may have the same default IP address (192.168.0.1) as your new T-Mobile router. If this is
the case, the T-Mobile router’s IP address will change to 192.168.24.1.
1. Power down your network devices. Now you will begin the hardware installation of router.
2. Locate an optimum location for the Router. The best place for the router is usually at the center of your
wireless network, with line of sight to all of your mobile stations.
3. Fix the direction of the antennas. Try to place the Router in a position that will best cover your wireless
network. Normally, the higher you place the antenna, the better the performance will be.
Internet
Broadband
Modem
4. Connect a standard Ethernet network cable to the T-Mobile router’s Internet port. Then, connect the other end
of the Ethernet cable to one of the numbered Ethernet ports on your existing router.
Router
Figure 4-6: Connecting to Another Router
5. Decide which network computers or Ethernet devices you want to connect to the Router.
Wireless-G
Broadband
Router
with 2 Phone
Ports
Multiple PCs
Figure 4-5: Diagram for Connection to Another Router
Figure 4-7: Connecting Your Network Devices
Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
Hardware Installation for Connection to An Existing Router
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Wireless-G Broadband Router with 2 Phone Ports
6. Disconnect the selected computers or devices from the old router, and then connect them to the T-Mobile
router’s numbered ports using standard Ethernet network cabling.
7. Connect the AC power adapter to the T-Mobile router's power port and the other end into an electrical outlet.
Only use the power adapter supplied with the T-Mobile router. Use of a different adapter may result in product
damage.
Figure 4-8: Connecting the Power
IMPORTANT: Make sure you use the power
adapter that is supplied with the Router. Use of a
different power adapter could damage the Router.
8. Connect a standard telephone to the Router’s Phone1 port. If you have a second phone, connect the telephone to the
Router’s Phone2 port.
Figure 4-9: Connecting the Phone
Now that the hardware installation is complete, proceed to “Chapter 5: Configuring the Wireless-G
Broadband Router with 2 Phone Ports,” for directions on how to configure the Router.
Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
Hardware Installation for Connection to An Existing Router
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IMPORTANT: Do not connect the Phone port to a
telephone wall jack. Make sure you only connect a
telephone to the Phone port. Otherwise, the Router or the
telephone wiring in your home or office may be damaged.
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Placement Options
There are three ways to place the Router. The first way is to place it horizontally on a surface, so it sits on its four rubber feet.
Another option is to install the stand onto the bottom of the Router, so the Router is in an upright position. Make sure to place
the Router’s bottom edge of the Cisco logo in between the stand’s prongs until tight. The third way is to mount it on a wall.This
option uses the Router’s four wall-mount slots on its bottom panel. The distance between two adjacent slots is 60 mm (2.36
inches).
To use the wall-mount option, follow these instructions:
1. Make sure you have four screws that are size #4—this indicates a diameter measurement of 2.845 mm (0.112 inches).
2. Determine where you want to mount the Router.
3. Drill four holes into the wall. Make sure adjacent holes are 60 mm (2.36 inches) apart.
4. Insert a screw into each hole, and leave 5 mm (0.2 inches) of its head exposed.
5. Maneuver the Router so the wall-mount slots line up with the four screws.
60 mm
(2.36 inches)
6. Place the wall-mount slots over the screws and slide the Router down until the screws fit snugly into the wall-mount
slots.
Proceed to “Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports” for directions
on how to configure the Router.
Figure 4-10: Measurement between WallMount Slots
Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
Placement Options
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Wireless-G Broadband Router with 2 Phone Ports
SIM Card Installation
Two SIM cards are required for a 2-line configuration.
To install a SIM card, follow these steps:
1. Slide the SIM card cover down, then lift off.
1
2. Gently slide up the SIM card holder. Then from the bottom side, carefully lift up the SIM card holder. Do not lift
the holder until it is correctly in place or it could break.
Figure 4-11: Slide Down the SIM Card Cover
3. Position the SIM card with the gold metal side up and towards the card slot opening. Carefully insert the SIM
card into the slot until it lines up with the bottom edge of the top piece of the holder and before it hits the
bottom piece of the holder or the SIM card or holder could break.
Bottom Piece
of Holder
Slide SIM in only this far
and not to the bottom
4. Fold down the SIM card holder and slide down into place.
5. Replace the SIM card cover. You might need to push it hard to lock it in place.
Bottom Side
3
2
Slide up SIM card holder this
direction
Top Piece of
Holder
Figure 4-12: Slide and Lift SIM Card Holder and Insert SIM Card
4
Figure 4-13: Fold Down the SIM Card Holder and Slide into
Place
Chapter 4: Connecting the Wireless-G Broadband Router with 2 Phone Ports
SIM Card Installation
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Wireless-G Broadband Router with 2 Phone Ports
Chapter 5: Configuring the Wireless-G Broadband
Router with 2 Phone Ports
Overview
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 you can use the Web-based Utility to configure the Router. For
advanced users, you may configure the Router’s advanced settings through the Web-based Utility.
This chapter will describe each web page in the Utility and each page’s key functions. The utility can be accessed
via your web browser through use of a computer connected to the Router. For a basic network setup, most users
will use these two screens of the Utility:
NOTE: For first-time installation, Linksys
recommends using the Setup Wizard on the Setup
CD-ROM. If you want to configure advanced settings,
use this chapter to learn about the Web-based Utility.
HAVE YOU: Enabled TCP/IP on your PCs? PCs
communicate over the network with this protocol.
Refer to “Appendix D: Windows Help” for more
information on TCP/IP.
• Basic Setup. On the Basic Setup screen, enter the settings provided by your ISP.
• Management. Click the Administration tab and then the Management tab. The Router’s default password is
admin. To secure the Router, change the Password from its default.
There are seven main tabs: Setup, Wireless, Security, Access Restrictions, Applications & Gaming, Administration,
and Status. Additional tabs will be available after you click one of the main tabs.
To access the Web-based Utility, launch Internet Explorer or Netscape Navigator, and enter the Router’s default IP
address, 192.168.0.1, in the Address field. Then press Enter.
A password request page, shown in Figure 5-1 will appear. (Non-Windows XP users will see a similar screen.)
Leave the User Name field blank. The first time you open the Web-based Utility, use the default password admin.
(You can set a new password from the Administration tab’s Management screen.) Then click the OK button.
Figure 5-1: Password Screen
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The Setup Tab - Basic Setup
The first screen that appears displays the Setup tab. This allows you to change the Router's general settings.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Internet Setup
The Internet Setup section configures the Router to your Internet connection. Most of this information can be
obtained through your ISP.
Internet Connection Type
Choose the type of Internet connection your ISP provides from the drop-down menu.
• DHCP. By default, the Router’s Internet Connection Type is set to Automatic Configuration - DHCP, which
should be kept only if your ISP supports DHCP or you are connecting through a dynamic IP address.
• Static IP. If you are required to use a permanent IP address to connect to the Internet, select Static IP.
Figure 5-2: Setup Tab - Basic Setup
Internet IP Address. This is the Router’s IP address, when seen from the Internet. Your ISP will provide you
with the IP Address you need to specify here.
Subnet Mask. This is the Router’s Subnet Mask, as seen by users on the Internet (including your ISP). Your ISP
will provide you with the Subnet Mask.
Figure 5-3: DHCP Connection Type
Gateway. Your ISP will provide you with the Gateway Address, which is the ISP server’s IP address.
DNS. Your ISP will provide you with at least one DNS (Domain Name System) Server IP Address.
Figure 5-4: Static IP Connection Type
Static IP address: a fixed address
assigned to a computer or device
connected to a network.
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• PPPoE. Some DSL-based ISPs use PPPoE (Point-to-Point Protocol over Ethernet) to establish Internet
connections. If you are connected to the Internet through a DSL line, check with your ISP to see if they use
PPPoE. If they do, you will have to enable PPPoE.
User Name and Password. Enter the User Name and Password provided by your ISP.
Connect on Demand: Max Idle Time. You can configure the Router to cut the Internet connection after it has
been inactive for a specified period of time (Max Idle Time). If your Internet connection has been terminated
due to inactivity, Connect on Demand enables the Router to automatically re-establish your connection as
soon as you attempt to access the Internet again. If you wish to activate Connect on Demand, click the radio
button. In the Max Idle Time field, enter the number of minutes you want to have elapsed before your Internet
connection terminates.
•
Figure 5-5: PPPoE Connection Type
PPTP. Point-to-Point Tunneling Protocol (PPTP) is a service that applies to connections in Europe only.
Specify Internet IP Address. This is the Router’s IP address, as seen from the Internet. Your ISP will provide
you with the IP Address you need to specify here.
Subnet Mask. This is the Router’s Subnet Mask, as seen by users on the Internet (including your ISP). Your ISP
will provide you with the Subnet Mask.
Gateway. Your ISP will provide you with the Gateway Address.
User Name and Password. Enter the User Name and Password provided by your ISP.
Connect on Demand: Max Idle Time. You can configure the Router to cut the Internet connection after it has
been inactive for a specified period of time (Max Idle Time). If your Internet connection has been terminated
due to inactivity, Connect on Demand enables the Router to automatically re-establish your connection as
soon as you attempt to access the Internet again. If you wish to activate Connect on Demand, click the radio
button. In the Max Idle Time field, enter the number of minutes you want to have elapsed before your Internet
connection terminates.
•
Figure 5-6: PPTP Connection Type
L2TP. Layer 2 Tunneling Protocol (L2TP) is used by some ISPs in Europe.
User Name and Password. Enter the User Name and Password provided by your ISP.
Specify IP Address of L2TP Server. Your ISP will provide you with the IP Address you need to specify here.
Connect on Demand: Max Idle Time. You can configure the Router to cut the Internet connection after it has
been inactive for a specified period of time (Max Idle Time). If your Internet connection has been terminated
due to inactivity, Connect on Demand enables the Router to automatically re-establish your connection as
soon as you attempt to access the Internet again. If you wish to activate Connect on Demand, click the radio
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button. In the Max Idle Time field, enter the number of minutes you want to have elapsed before your Internet
connection terminates.
Optional Settings
Some of these settings may be required by your ISP. Verify with your ISP before making any changes.
Router Name. In this field, you can type a name of up to 39 characters to represent the Router.
Figure 5-7: L2TP Connection Type
Host Name/Domain Name. These fields allow you to supply a host and domain name for the Router. Some ISPs,
usually cable ISPs, require these names as identification. You may have to check with your ISP to see if your
broadband Internet service has been configured with a host and domain name. In most cases, leaving these
fields blank will work.
MTU. MTU is the Maximum Transmission Unit. It specifies the largest packet size permitted for Internet
transmission. The default setting, Manual, allows you to enter the largest packet size that will be transmitted.
The recommended size, entered in the Size field, is 1492. You should leave this value in the 1200 to 1500 range.
To have the Router select the best MTU for your Internet connection, select Auto.
Network Setup
The Network Setup section changes the settings on the network connected to the Router’s Ethernet ports.
Wireless Setup is performed through the Wireless tab.
Figure 5-8: Optional Settings
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Router IP
This presents both the Router’s IP Address and Subnet Mask as seen by your network.
Network Address Server Settings (DHCP)
Figure 5-9: Router IP
The settings allow you to configure the Router’s Dynamic Host Configuration Protocol (DHCP) server function. The
Router can be used as a DHCP server for your network. A DHCP server automatically assigns an IP address to
each computer on your network. If you choose to enable the Router’s DHCP server option, you must configure all
of your network PCs to connect to a DHCP server (the Router), and make sure there is no other DHCP server on
your network.
DHCP Server. DHCP is enabled by factory default. If you already have a DHCP server on your network, or you
don’t want a DHCP server, then click the Disable radio button (no other DHCP features will be available).
Starting IP Address. Enter a value for the DHCP server to start with when issuing IP addresses. Because the
Router’s default IP address is 192.168.0.1, the Starting IP Address must be 192.168.0.2 or greater, but smaller
than 192.168.0.253. The default Starting IP Address is 192.168.0.100.
Maximum Number of DHCP Users. Enter the maximum number of PCs that you want the DHCP server to assign
IP addresses to. This number cannot be greater than 253. The default is 64.
Client Lease Time. The Client Lease Time is the amount of time a network user will be allowed connection to the
Router with their current dynamic IP address. Enter the amount of time, in minutes, that the user will be “leased”
this dynamic IP address. After the time is up, the user will be automatically assigned a new dynamic IP address.
The default is 0 minutes, which means one day.
Figure 5-10: Network Address Server Settings
Static DNS (1-3). The Domain Name System (DNS) is how the Internet translates domain or website names into
Internet addresses or URLs. Your ISP will provide you with at least one DNS Server IP Address. If you wish to use
another, type that IP Address in one of these fields. You can type up to three DNS Server IP Addresses here. The
Router will use these for quicker access to functioning DNS servers.
WINS. The Windows Internet Naming Service (WINS) manages each PC’s interaction with the Internet. If you use
a WINS server, enter that server’s IP Address here. Otherwise, leave this blank.
Time Setting
Change the time zone in which your network functions from this pull-down menu. (You can even automatically
adjust for daylight savings time.)
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Figure 5-11: Time Setting
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Wireless-G Broadband Router with 2 Phone Ports
The Setup Tab - DDNS
The Router offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and domain
name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server, or other
server behind the Router. Before you can use this feature, you need to sign up for DDNS service with a DDNS
service provider, www.dyndns.org or www.TZO.com. If you do not want to use this feature, keep the default
setting, Disable.
DDNS Service
If your DDNS service is provided by DynDNS.org, then select DynDNS.org from the drop-down menu. If your
DDNS service is provided by TZO, then select TZO.com. The features available on the DDNS screen will vary,
depending on which DDNS service provider you use.
Figure 5-12: Setup Tab - DDNS
DynDNS.org
DDNS Service. From this pull-down menu, enter the DDNS service with which you have membership.
User Name. Enter the User Name for your DDNS account
Password. Enter the Password for your DDNS account.
Host Name. The is the DDNS URL assigned by the DDNS service.
Internet IP Address. This is the Router’s current IP Address as seen on the Internet.
Status. This displays the status of the DDNS connection.
TZO.com
Figure 5-13: Setup Tab - DDNS
E-mail Address, TZO Password, and Domain Name. Enter the settings of the account you set up with TZO.
Internet IP Address. The Router’s Internet IP address is displayed here. Because it is dynamic, it will change.
Status. The status of the DDNS service connection is displayed here.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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The Setup Tab - MAC Address Clone
A MAC address is a 12-digit code assigned to a unique piece of hardware for identification. Some ISPs will
require you to register a MAC address in order to access the Internet. If you do not wish to re-register the MAC
address with your ISP, you may assign the MAC address you have currently registered with your ISP to the Router
with the MAC Address Clone feature.
Enable/Disable. To have the MAC Address cloned, click the radio button beside Enable.
User Defined Entry. Enter the MAC Address registered with your ISP here.
Clone Your PC’s MAC Address. Clicking this button will clone the MAC address.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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Figure 5-14: Setup Tab - MAC Address Clone
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Wireless-G Broadband Router with 2 Phone Ports
The Setup Tab - Advanced Routing
This tab is used to set up the Router’s advanced functions. Operating Mode allows you to select the type(s) of
advanced functions you use. Dynamic Routing will automatically adjust how packets travel on your network. Static
Routing sets up a fixed route to another network destination.
Operating Mode. Select the mode in which this Router will function. If this Router is hosting your network’s
connection to the Internet, select Router. If another Router exists on your network, select Bridge. When Bridge is
chosen, Dynamic Routing will be available as an option.
Dynamic Routing. This feature enables the Router to automatically adjust to physical changes in the network’s
layout and exchange routing tables with the other router(s). The Router determines the network packets’ route
based on the fewest number of hops between the source and the destination. This feature is Disabled by default.
From the drop-down menu, you can also select LAN & Wireless, which performs dynamic routing over your
Ethernet and wireless networks. You can also select WAN, which performs dynamic routing with data coming from
the Internet. Finally, selecting Both enables dynamic routing for both networks, as well as data from the Internet.
Figure 5-15: Setup Tab - Advanced Routing (Router)
Static Routing. To set up a static route between the Router and another network, select a number from the Static
Routing drop-down list. (A static route is a pre-determined pathway that network information must travel to reach a
specific host or network.) Enter the information described below to set up a new static route. (Click the Delete This
Entry button to delete a static route.)
Enter Route Name. Enter a name for the Route here, using a maximum of 25 alphanumeric characters.
Destination LAN IP. The Destination LAN IP is the address of the remote network or host to which you want to
assign a static route.
Subnet Mask. The Subnet Mask determines which portion of a Destination LAN IP address is the network
portion, and which portion is the host portion.
Default Gateway. This is the IP address of the gateway device that allows for contact between the Router and
the remote network or host.
Interface. This interface tells you whether the Destination IP Address is on the LAN & Wireless (Ethernet and
wireless networks), the WAN (Internet), or Loopback (a dummy network in which one PC acts like a network—
necessary for certain software programs).
Figure 5-16: Setup Tab - Advanced Routing (Bridge)
Click the Show Routing Table button to view the Static Routes you’ve already set up.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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The Wireless Tab - Basic Wireless Settings
The basic settings for wireless networking are set on this screen.
Wireless Network Mode. From this drop-down menu, you can select the wireless standards running on your
network. If you have both 802.11g and 802.11b devices in your network, keep the default setting, Mixed. If you
have only 802.11g devices, select G-Only. If you have only 802.11b devices, select B-Only. If you do not have any
802.11g and 802.11b devices in your network, select Disable.
Wireless Network Name (SSID). The SSID is the network name shared among all devices in a wireless network.
The SSID must be identical for all devices in the wireless network. It is case-sensitive and must not exceed 9
characters (use any of the characters on the keyboard). Make sure this setting is the same for all devices in your
wireless network. For added security, you should change the default SSID (linksys) to a unique name.
Figure 5-17: Wireless Tab - Basic Wireless Settings
Wireless Channel. Select the appropriate channel from the list provided to correspond with your network
settings. All devices in your wireless network must be broadcast on the same channel in order to function
correctly.
Wireless SSID Broadcast. When wireless clients survey the local area for wireless networks to associate with,
they will detect the SSID broadcast by the Router. To broadcast the Router's SSID, keep the default setting,
Enable. If you do not want to broadcast the Router's SSID, then select Disable.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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The Wireless Tab - Wireless Security
The Wireless Security settings configure the security of your wireless network. There are four wireless security
mode options supported by the Router: WPA Personal, WPA Enterprise, WPA2 Personal, WPA2 Enterprise, RADIUS,
and WEP. (WEP stands for Wired Equivalent Privacy, WPA stands for Wi-Fi Protected Access, which is a security
standard stronger than WEP encryption. WPA2 is stronger than WPA. WPA Enterprise is WPA used in coordination
with a RADIUS server. RADIUS stands for Remote Authentication Dial-In User Service.) These are briefly discussed
here. For detailed instructions on configuring wireless security for the Router, turn to “Appendix B: Wireless
Security.”
IMPORTANT: If you are using WPA, always
remember that each device in your wireless
network MUST use the same WPA method
and shared key, or else the network will not
function properly.
WPA Personal. WPA gives you two encryption methods, TKIP and AES, with dynamic encryption keys. Select the
type of algorithm, TKIP or AES. Enter a WPA Shared Key of 8-63 characters. Then enter a Group Key Renewal
period, which instructs the Router how often it should change the encryption keys.
Figure 5-18: Wireless Tab - Wireless Security
(WPA Personal)
WPA Enterprise. This option features WPA used in coordination with a RADIUS server. (This should only be used
when a RADIUS server is connected to the Router.) First, select the type of WPA algorithm you want to use, TKIP
or AES. Enter the RADIUS server’s IP Address and port number, along with a key shared between the Router and
the server. Last, enter a Key Renewal Timeout, which instructs the Router how often it should change the
encryption keys.
Figure 5-19: Wireless Tab - Wireless Security
(WPA Enterprise)
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WPA2 Personal. WPA2 gives you two encryption methods, TKIP and AES, with dynamic encryption keys. Select
the type of algorithm, AES, or TKIP + AES. Enter a WPA Shared Key of 8-63 characters. Then enter a Group Key
Renewal period, which instructs the Router how often it should change the encryption keys.
Figure 5-20: Wireless Tab - Wireless Security
(WPA2 Personal)
WPA2 Enterprise. This option features WPA2 used in coordination with a RADIUS server. (This should only be
used when a RADIUS server is connected to the Router.) First, select the type of WPA algorithm you want to use,
AES, or TKIP + AES. Enter the RADIUS server’s IP Address and port number, along with a key shared between the
Router and the server. Last, enter a Key Renewal Timeout, which instructs the Router how often it should change
the encryption keys.
Figure 5-21: Wireless Tab - Wireless Security
(WPA2 Enterprise)
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RADIUS. This option features WEP used in coordination with a RADIUS server. (This should only be used when a
RADIUS server is connected to the Router.) First, enter the RADIUS server’s IP Address and port number, along
with a key shared between the Router and the server. Then, select a Default Transmit Key (choose which Key to
use), and a level of WEP encryption, 64 bits 10 hex digits or 128 bits 26 hex digits. Last, either generate a
WEP key using the Passphrase or enter the WEP key manually.
IMPORTANT: If you are using WEP
encryption, always remember that each
device in your wireless network MUST use
the same WEP encryption method and
encryption key, or else your wireless network
will not function properly.
Figure 5-22: Wireless Tab - Wireless Security (RADIUS)
WEP. WEP is a basic encryption method, which is not as secure as WPA. To use WEP, select a Default Transmit Key
(choose which Key to use), and a level of WEP encryption, 64 bits 10 hex digits or 128 bits 26 hex digits. Then
either generate a WEP key using the Passphrase or enter the WEP key manually.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes. For detailed instructions on configuring wireless security for the Router, turn to
“Appendix B: Wireless Security.”
Figure 5-23: Wireless Tab - Wireless Security (WEP)
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The Wireless Tab - Wireless MAC Filter
Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your
network’s radius.
Wireless MAC Filter. To filter wireless users by MAC Address, either permitting or blocking access, click Enable.
If you do not wish to filter users by MAC Address, select Disable.
Prevent. Clicking this button will block wireless access by MAC Address.
Permit Only. Clicking this button will allow wireless access by MAC Address.
Edit MAC Address Filter List. Clicking this button will open the MAC Address Filter List. On this screen, you can
list users, by MAC Address, to whom you wish to provide or block access. For easy reference, click the Wireless
Client MAC List button to display a list of network users by MAC Address.
Figure 5-24: Wireless Tab - Wireless MAC Filter
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Figure 5-25: MAC Address Filter List
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The Wireless Tab - Advanced Wireless Settings
This tab is used to set up the Router’s advanced wireless functions. These settings should only be adjusted by an
expert administrator as incorrect settings can reduce wireless performance.
Authentication Type. The default is set to Auto, which allows either Open System or Shared Key authentication
to be used. With Open System authentication, the sender and the recipient do NOT use a WEP key for
authentication. With Shared Key authentication, the sender and recipient use a WEP key for authentication.
Basic Rate. The Basic Rate setting is not actually one rate of transmission but a series of rates at which the
Router can transmit. The Router will advertise its Basic Rate to the other wireless devices in your network, so
they know which rates will be used. The Router will also advertise that it will automatically select the best rate
for transmission. The default setting is Default, when the Router can transmit at all standard wireless rates
(1-2Mbps, 5.5Mbps, 11Mbps, 18Mbps, and 24Mbps). Other options are 1-2Mbps, for use with older wireless
technology, and All, when the Router can transmit at all wireless rates. The Basic Rate is not the actual rate of
data transmission. If you want to specify the Router’s rate of data transmission, configure the Transmission Rate
setting.
Figure 5-26: Wireless Tab - Advanced Wireless Settings
Transmission Rate. The rate of data transmission should be set depending on the speed of your wireless
network. You can select from a range of transmission speeds, or you can select Auto to have the Router
automatically use the fastest possible data rate and enable the Auto-Fallback feature. Auto-Fallback will
negotiate the best possible connection speed between the Router and a wireless client. The default value is Auto.
CTS Protection Mode. CTS (Clear-To-Send) Protection Mode should remain disabled unless you are having
severe problems with your Wireless-G products not being able to transmit to the Router in an environment with
heavy 802.11b traffic. This function boosts the Router’s ability to catch all Wireless-G transmissions but will
severely decrease performance.
Beacon Interval. The default value is 100. Enter a value between 1 and 65,535 milliseconds. The Beacon Interval
value indicates the frequency interval of the beacon. A beacon is a packet broadcast by the Router to synchronize
the wireless network.
DTIM Interval. This value, between 1 and 255, indicates the interval of the Delivery Traffic Indication Message
(DTIM). A DTIM field is a countdown field informing clients of the next window for listening to broadcast and
multicast messages. When the Router has buffered broadcast or multicast messages for associated clients, it
sends the next DTIM with a DTIM Interval value. Its clients hear the beacons and awaken to receive the broadcast
and multicast messages. The default value is 1.
Fragmentation Threshold. This value specifies the maximum size for a packet before data is fragmented into
multiple packets. If you experience a high packet error rate, you may slightly increase the Fragmentation
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Threshold. Setting the Fragmentation Threshold too low may result in poor network performance. Only minor
reduction of the default value is recommended. In most cases, it should remain at its default value of 2346.
RTS Threshold. Should you encounter inconsistent data flow, only minor reduction of the default value, 2347, is
recommended. If a network packet is smaller than the preset RTS threshold size, the RTS/CTS mechanism will
not be enabled. The Router sends Request to Send (RTS) frames to a particular receiving station and negotiates
the sending of a data frame. After receiving an RTS, the wireless station responds with a Clear to Send (CTS)
frame to acknowledge the right to begin transmission. The RTS Threshold value should remain at its default value
of 2347.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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The Security Tab - Firewall
Firewall Protection. This feature employs Stateful Packet Inspection (SPI) for a more detailed review of data
packets entering your network environment. Select Enable to use this feature. Select Disable to disable it.
Block WAN Requests. Enable the Block WAN Request feature by checking the box beside Block Anonymous
Internet Requests and you can prevent your network from being “pinged,” or detected, by other Internet users.
The Block WAN Request feature also reinforces your network security by hiding your network ports. Both
functions of the Block WAN Request feature make it more difficult for outside users to work their way into your
network. This feature is enabled by default. Select Disabled to allow anonymous Internet requests.
Filter Multicast. Multicasting allows for multiple transmissions to specific recipients at the same time. If
multicasting is permitted, then the Router will allow IP multicast packets to be forwarded to the appropriate
computers. Select Enabled to filter multicasting, or Disabled to disable this feature.
Figure 5-27: Security Tab - Firewall
Filter Internet NAT Redirection. This feature uses port forwarding to block access to local servers from local
networked computers. Select Enabled to filter Internet NAT redirection, or Disabled to disable this feature.
Filter IDENT (Port 113). This feature keeps port 113 from being scanned by devices outside of your local
network. Select Enabled to filter port 113, or Disabled to disable this feature.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
The Security Tab - VPN Passthrough
Use the settings on this tab to allow VPN tunnels using IPSec, PPTP, or L2TP protocols to pass through the
Router’s firewall.
IPSec Pass-through. Internet Protocol Security (IPSec) is a suite of protocols used to implement secure
exchange of packets at the IP layer. To allow IPSec tunnels to pass through the Router, click Enable. IPSec PassThrough is enabled by default.
PPTP Pass-through. Point-to-Point Tunneling Protocol (PPTP) allows the Point-to-Point Protocol (PPP) to be
tunneled through an IP network. To allow PPTP tunnels to pass through the Router, click Enable. PPTP PassThrough is enabled by default.
Figure 5-28: Security Tab - VPN Passthrough
L2TP Pass-through. Layer 2 Tunneling Protocol is the method used to enable Point-to-Point sessions via the
Internet on the Layer 2 level. To allow L2TP tunnels to pass through the Router, click Enable. L2TP Pass-Through
is enabled by default.
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Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
The Access Restrictions Tab - Internet Access
The Internet Access screen allows you to block or allow specific kinds of Internet usage and traffic, such as
Internet access, designated services, websites, and inbound traffic during specific days and times.
Internet Access Policy. Access can be managed by a policy. Use the settings on this screen to establish an
access policy (after the Save Settings button is clicked). To delete a policy, select that policy’s number and click
the Delete button. To view all the policies, click the Summary button. (Policies can be deleted from the Summary
screen by selecting the policy or policies and clicking the Delete button. To return to the Internet Access tab, click
the Close button.)
Status. Policies are disabled by default. To enable a policy, select the policy number from the drop-down menu,
and click the radio button beside Enable.
You can create two kinds of policies, one kind to manage Internet access and another kind to manage inbound
traffic.
To create an Internet Access policy:
Figure 5-29: Access Restrictions Tab - Internet Access
1. Select a number from the Internet Access Policy drop-down menu.
2. To enable this policy, click the radio button beside Enable.
3. Enter a Policy Name in the field provided.
4. Click the Edit List of PCs button to select which PCs will be affected by the policy. The List of PCs screen will
appear. You can select a PC by MAC Address or IP Address. You can also enter a range of IP Addresses if you
want this policy to affect a group of PCs. After making your changes, click the Save Settings button to apply
your changes or Cancel Changes to cancel your changes. Then click the Close button.
Figure 5-30: Internet Policy Summary
5. Click the appropriate option, Deny or Allow, depending on whether you want to block or allow Internet access
for the PCs you listed on the List of PCs screen.
6. Decide which days and what times you want this policy to be enforced. Select the individual days during
which the policy will be in effect, or select Everyday. Then enter a range of hours and minutes during which
the policy will be in effect, or select 24 Hours.
Figure 5-31: List of PCs
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7. You can filter access to various services accessed over the Internet, such as FTP or telnet, by selecting
services from the drop-down menus next to Blocked Services. (You can block up to 20 services.)
Then enter the range of ports you want to filter.
If the service you want to block is not listed or you want to edit a service’s settings, then click the Add/Edit
Service button. Then the Port Services screen will appear.
To add a service, enter the service’s name in the Service Name field. Select its protocol from the Protocol
drop-down menu, and enter its range in the Port Range fields. Then click the Add button.
To modify a service, select it from the list on the right. Change its name, protocol setting, or port range. Then
click the Modify button.
Figure 5-32: Port Services
To delete a service, select it from the list on the right. Then click the Delete button.
When you are finished making changes on the Port Services screen, click the Apply button to save changes.
If you want to cancel your changes, click the Cancel button. To close the Port Services screen and return to
the Access Restrictions screen, click the Close button.
8. If you want to block websites with specific URL addresses, enter each URL in a separate field next to Website
Blocking by URL Address.
9. If you want to block websites using specific keywords, enter each keyword in a separate field next to Website
Blocking by Keyword.
10. Click the Save Settings button to save the policy’s settings. To cancel the policy’s settings, click the Cancel
Changes button.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Chapter 5: Configuring the Wireless-G Broadband Router with 2 Phone Ports
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The Applications and Gaming Tab - Port Range Forward
The Applications and Gaming Tab allows you to set up public services on your network, such as web servers, ftp
servers, e-mail servers, or other specialized Internet applications. (Specialized Internet applications are any
applications that use Internet access to perform functions such as videoconferencing or online gaming. Some
Internet applications may not require any forwarding.)
To forward a port, enter the information on each line for the criteria required. The criteria are described here.
Application. In this field, enter the name you wish to give the application. Each name can be up to 12 characters.
Start/End. This is the port range. Enter the number that starts the port range under Start and the number that
ends the range under End.
Protocol. Enter the protocol used for this application, either TCP or UDP, or Both.
IP Address. For each application, enter the IP Address of the PC running the specific application.
Enable. Click the Enable checkbox to enable port forwarding for the relevant application.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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Figure 5-33: Applications and Gaming Tab - Port
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Wireless-G Broadband Router with 2 Phone Ports
The Applications & Gaming Tab - Port Triggering
The Port Triggering screen allows the Router to watch outgoing data for specific port numbers. The IP address of
the computer that sends the matching data is remembered by the Router, so that when the requested data
returns through the Router, the data is pulled back to the proper computer by way of IP address and port mapping
rules.
Port Triggering
Application. Enter the application name of the trigger.
Triggered Range
For each application, list the triggered port number range. Check with the Internet application documentation for
the port number(s) needed.
Start Port. Enter the starting port number of the Triggered Range.
End Port. Enter the ending port number of the Triggered Range.
Forwarded Range
Figure 5-34: Applications and Gaming Tab Port Triggering
For each application, list the forwarded port number range. Check with the Internet application documentation for
the port number(s) needed.
Start Port. Enter the starting port number of the Forwarded Range.
End Port. Enter the ending port number of the Forwarded Range.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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The Applications and Gaming Tab - DMZ
The DMZ feature allows one network user to be exposed to the Internet for use of a special-purpose service such
as Internet gaming or videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port
Range Forward feature is more secure because it only opens the ports you want to have opened, while DMZ
hosting opens all the ports of one computer, exposing the computer to the Internet.
Any PC whose port is being forwarded must have its DHCP client function disabled and should have a new static
IP address assigned to it because its IP address may change when using the DHCP function.
To expose one PC, select Enable. Then, enter the computer's IP address in the DMZ Host IP Address field.
Figure 5-35: Applications and Gaming Tab - DMZ
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
The Applications and Gaming Tab - QoS
Quality of Service (QoS) ensures better service to high-priority types of network traffic, which may involve
demanding, real-time applications, such as videoconferencing.
For Wired QoS, there are three priority areas to designate: Device Priority, Ethernet Port Priority and Application
Priority. For Wireless QoS you can enable or disable WMM Support, No Acknowledgment and APSD Support.
Wired QoS
Enable/Disable. To limit outgoing bandwidth for the QoS policies in use, select Enable. Otherwise, select
Disable.
Upstream Bandwidth. This setting allows you to limit the outgoing bandwidth for the QoS policies in use, so you
can control how much bandwidth a particular application is allowed to use. The default value is 0.
Device Priority
Enter the name of your network device in the Device name field, enter its MAC Address, then select its priority
from the drop-down menu.
Figure 5-36: Applications and Gaming Tab - QOS
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Ethernet Port Priority
Ethernet Port Priority QoS allows you to prioritize performance for four of the Router’s ports, LAN Ports 1-4. For
each of these ports, select High or Low for Priority. For Flow Control, if you want the Router to control the
transmission of data between network devices, select Enable. To disable this feature, select Disable.
Ethernet Port Priority QoS does not require support from your ISP because the prioritized ports are LAN ports
going out to your network.
Application Priority
You may control your data rate with respect to the application that is consuming bandwidth. Check Optimize
Gaming Applications to automatically allow common game application ports to have a higher priority. You may
customize up to eight applications by entering the port number they use.
Wireless QoS
WMM Support (WiFi Multimedia). This is available if you are using other devices that are also WMM certified.
You can enable or disable this feature.
No Acknowledgment. If this feature is enabled the router will not resend data if an error occurs.
APSD Support (Automatic Power Save Delivery) Support. This is a power management method that sends
and receives data at the same rate. You can enable or disable this feature.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
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The Administration Tab - Management
This section of the Administration tab allows the network’s administrator to manage specific Router functions for
access and security.
Local Router Access. You can change the Router’s password from here. Enter a new Router password and then
type it again in the Re-enter to confirm field to confirm.
Web Access. HTTP (HyperText Transport Protocol) - The communications protocol used to connect to servers on
the World Wide Web. HTTPS - Uses SSL (Secured Socket Layer) to encrypt data transmitted for higher security.
Select HTTP or HTTPS. Wireless Access Web - If you are using your Wireless Router in a public domain where you
are giving wireless access to your guests, you can disable wireless access to the router’s web-based utility. You
will only be able to access the web-based utility via a wired connection if you disable the setting. Select Enable
to enable wireless access to the Router’s web-based utility or Disable to disable wireless access to the utility.
Remote Router Access. To access the Router remotely, from outside the network, verify that Enable is selected.
Then, enter the port number that will be open to outside access. You will need to enter the Router’s password
when accessing the Router this way, as usual.
UPnP. When using UPnP features, select Enable. Because allowing this may present a risk to security, this
feature is enabled by default.
Figure 5-37: Administration Tab - Management
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
The Administration Tab - Log
The Router can keep logs of all traffic for your Internet connection. To disable the Log function, keep the default
setting, Disable. To monitor traffic between the network and the Internet, select Enable. When you wish to view
the logs, click Incoming Log or Outgoing Log, depending on which you wish to view.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Figure 5-38: Administration Tab - Log
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The Administration Tab - Diagnostics
The diagnostic tests (Ping and Traceroute) allow you to check the connections of your network components.
Ping Test. The Ping test will check the status of a connection. Click the Ping button to open the Ping Test screen.
Enter the address of the PC whose connection you wish to test and how many times you wish to test it. Then,
click the Ping button. The Ping Test screen will then display the test results. To stop the test, click the Stop
button. Click the Clear Log button to clear the screen. Click the Close button to return to the Diagnostics screen.
Traceroute Test. To test the performance of a connect, click the Traceroute button. Enter the address of the PC
whose connection you wish to test and click the Traceroute button. The Traceroute screen will then display the
test results. To stop the test, click the Stop button. Click the Clear Log button to clear the screen. Click the Close
button to return to the Diagnostics screen.
Figure 5-39: Administration Tab - Diagnostics
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes.
Figure 5-40: The Ping Test
Figure 5-41: The Traceroute Test
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The Administration Tab - Factory Defaults
Click the Yes button to reset all configuration settings to their default values, and then click the Save Settings
button. Any settings you have saved will be lost when the default settings are restored. This feature is disabled by
default.
Figure 5-42: Administration Tab - Factory Defaults
The Administration Tab - Firmware Upgrade
Firmware can be upgraded by clicking the Upgrade button after browsing for the firmware, which you can
download from the Linksys website. Do not upgrade your firmware unless you are experiencing problems with
the Router. For more information about upgrading firmware, refer to “Appendix C: Upgrading Firmware”.
Figure 5-43: Administration Tab - Firmware Upgrade
The Administration Tab - Config Management
This screen is used to back up or restore the Router’s configuration file.
To back up the Router’s configuration file, click the Backup button. Then follow the on-screen instructions.
To restore the Router’s configuration file, click the Browse button to locate the file, and follow the on-screen
instructions. After you have selected the file, click the Restore button.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel
Changes to cancel your changes
Figure 5-44: Administration Tab - Config Management
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The Status Tab - Router
The Router screen on the Status Tab displays the Router’s current status.
Firmware Version. This is the Router’s current firmware.
Current Time. This shows the time, as you set on the Setup Tab.
MAC Address. This is the Router’s MAC Address, as seen by your ISP.
Router Name. This is the specific name for the Router, which you set on the Setup Tab.
Host Name. If required by your ISP, this would have been entered on the Setup Tab.
Domain Name. If required by your ISP, this would have been entered on the Setup Tab.
Configuration Type. This shows the information required by your ISP for connection to the Internet. This
information was entered on the Setup Tab.
DHCP Release. Available for a DHCP connection, click this button to release the current IP address of the device
connected to the Router’s Internet port.
Figure 5-45: Status Tab - Router
DHCP Renew. Available for a DHCP connection, click this button to replace the current IP address—of the device
connected to the Router’s Internet port—with a new IP address.
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The Status Tab - Local Network
The Local Network screen on the Status Tab displays the status of your network.
MAC Address. This is the Router’s MAC Address, as seen on your local, Ethernet network.
IP Address. This shows the Router’s IP Address, as it appears on your local, Ethernet network.
Subnet Mask. When the Router is using a Subnet Mask, it is shown here.
DHCP Server. If you are using the Router as a DHCP server, that will be displayed here.
Start IP Address. For the range of IP Addresses used by devices on your local, Ethernet network, the beginning
of that range is shown here.
End IP Address. For the range of IP Addresses used by devices on your local, Ethernet network, the end of that
range is shown here.
Figure 5-46: Status Tab - Local Network
DHCP Clients Table. Clicking this button will open a screen to show you which PCs are utilizing the Router as a
DHCP server. You can delete PCs from that list, and sever their connections, by checking a Delete box and
clicking the Delete button.
Figure 5-47: DHCP Clients Table
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The Status Tab - Wireless
The Wireless screen on the Status Tab displays the status of your wireless network.
MAC Address. This is the Router’s MAC Address, as seen on your local, wireless network.
Mode. As selected from the Wireless tab, this will display the wireless mode (Mixed, G-Only, or Disabled) used by
the network.
SSID. As entered on the Wireless tab, this will display the wireless network name or SSID.
DHCP Server. If you are using the Router as a DHCP server, that will be displayed here.
Channel. As entered on the Wireless tab, this will display the channel on which your wireless network is
broadcasting.
Figure 5-48: Status Tab - Wireless
Encryption Function. As selected on the Security Tab, this will display what type of encryption the Router uses
for security.
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The Status Tab - Voice
The Voice screen on the Status Tab displays the status of your voice connection on your network.
Firmware Version. This is the Router’s current firmware.
SIM Status. This is the status of the SIM card.
Registration Status. This is the status of the registration.
Call 1/2 Status. This is the status of the phone connection.
Call Log. Click this button view a log of your calls. The calls are listed by line number, call type, phone number,
call status, start and end time, and duration. From the drop-down menu, select to view from All Calls, Incoming
calls, Outgoing calls, and Missed calls. Click Refresh to refresh the screen.
Error List. If the connection failed, you can click this button to view a list of errors.
Figure 5-49: Status Tab - Voice
Figure 5-50: Status Tab - Voice - Call Log
Figure 5-51: Status Tab - Voice - Error List
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Appendix A: Troubleshooting
This appendix consists of two parts: “Common Problems and Solutions” and “Frequently Asked Questions.”
Provided are possible solutions to problems that may occur during the installation and operation of the Router.
Read the descriptions below to help you solve your problems. If you can’t find an answer here, check the Linksys
website at www.linksys.com.
Common Problems and Solutions
1. I’m trying to access the Router’s Web-based Utility, but I do not see the login screen. Instead, I see a
screen saying, “404 Forbidden.”
If you are using Windows Explorer, perform the following steps until you see the Web-based Utility’s login
screen (Netscape Navigator will require similar steps):
1. Click File. Make sure Work Offline is NOT checked.
2. Press CTRL + F5. This is a hard refresh, which will force Windows Explorer to load new webpages,
not cached ones.
3. Click Tools. Click Internet Options. Click the Security tab. Click the Default level button. Make sure
the security level is Medium or lower. Then click the OK button.
2. I need to set a static IP address on a PC.
You can assign a static IP address to a PC by performing the following steps:
• For Windows 2000:
1. Click Start, Settings, and Control Panel. Double-click Network and Dial-Up Connections.
2. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using, and
select the Properties option.
3. In the Components checked are used by this connection box, highlight Internet Protocol (TCP/IP),
and click the Properties button. Select Use the following IP address option.
4. Enter a unique IP address that is not used by any other computer on the network connected to the
Router.
5. Enter the Subnet Mask, 255.255.255.0.
6. Enter the Default Gateway, 192.168.0.1 (Router’s default IP address).
7. Toward the bottom of the window, select Use the following DNS server addresses, and enter the
Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its
website to find the information.
8. Click the OK button in the Internet Protocol (TCP/IP) Properties window, and click the OK button in the
Local Area Connection Properties window.
9. Restart the computer if asked.
Appendix A: Troubleshooting
Common Problems and Solutions
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• For Windows XP:
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 Start and Control Panel.
2. Click the Network and Internet Connections icon and then the Network Connections icon.
3. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using,
and select the Properties option.
4. In the This connection uses the following items box, highlight Internet Protocol (TCP/IP). Click the
Properties button.
5. Enter a unique IP address that is not used by any other computer on the network connected to the
Router.
6. Enter the Subnet Mask, 255.255.255.0.
7. Enter the Default Gateway, 192.168.0.1 (Router’s default IP address).
8. Toward the bottom of the window, select Use the following DNS server addresses, and enter the
Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its
website to find the information.
9. Click the OK button in the Internet Protocol (TCP/IP) Properties window. Click the OK button in the
Local Area Connection Properties window.
• For Windows Vista:
1. Click Start and Network.
2. Click Network and Sharing Center, then select Manage network connections from Tasks.
3. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using,
and select the Properties option.
4. In the This connection uses the following items box, highlight Internet Protocol Version 4 (TCP/
IPV4). Click the Properties button.
5. Enter a unique IP address that is not used by any other computer on the network connected to the
Router.
6. Enter the Subnet Mask, 255.255.255.0.
7. Enter the Default Gateway, 192.168.0.1 (Router’s default IP address).
8. Toward the bottom of the window, select Use the following DNS server addresses, and enter the
Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its
website to find the information.
9. Click the OK button in the Internet Protocol version 4 (TCP/IPV4) Properties window. Click the OK
button in the Local Area Connection Properties window.
3. I want to test my Internet connection.
A Check your TCP/IP settings.
For Windows 2000, XP and Vista:
• Refer to Windows Help for details. Make sure Obtain IP address automatically is selected in the settings.
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Common Problems and Solutions
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B Open a command prompt.
For Windows 2000 and XP:
• Click Start and Run. In the Open field, type cmd. Press the Enter key or click the OK button. In the
command prompt, type ping 192.168.0.1 and press the Enter key.
• If you get a reply, the computer is communicating with the Router.
• If you do NOT get a reply, please check the cable, and make sure Obtain an IP address automatically is
selected in the TCP/IP settings for your Ethernet adapter.
For Windows Vista:
• Click Start. In the search field, type cmd. Press the Enter key or click the OK button. In the command
prompt, type ping 192.168.0.1 and press the Enter key.
• If you get a reply, the computer is communicating with the Router.
• If you do NOT get a reply, please check the cable, and make sure Obtain an IP address automatically is
selected in the TCP/IP settings for your Ethernet adapter.
C In the command prompt, type ping followed by your Internet or WAN IP address and press the Enter key.
The Internet or WAN IP Address can be found on the Status screen of the Router’s web-based utility. For
example, if your Internet or WAN IP address is 1.2.3.4, you would enter ping 1.2.3.4 and press the Enter key.
• If you get a reply, the computer is connected to the Router.
• If you do NOT get a reply, try the ping command from a different computer to verify that your original
computer is not the cause of the problem.
D In the command prompt, type ping www.yahoo.com and press the Enter key.
• If you get a reply, the computer is connected to the Internet. If you cannot open a webpage, try the ping
command from a different computer to verify that your original computer is not the cause of the problem.
• If you do NOT get a reply, there may be a problem with the connection. Try the ping command from a
different computer to verify that your original computer is not the cause of the problem.
4. I am not getting an IP address on the Internet with my Internet connection.
• Refer to “Problem #3, I want to test my Internet connection” to verify that you have connectivity.
• If you need to register the MAC address of your Ethernet adapter with your ISP, please see “Appendix E:
Finding the MAC address and IP Address for Your Ethernet Adapter.” If you need to clone the MAC address
of your Ethernet adapter onto the Router, see the System section of “Chapter 5: Configuring the
Wireless-G Broadband Router” for details.
• Make sure you are using the right Internet connection settings. Contact your ISP to see if your Internet
connection type is DHCP, Static IP Address, or PPPoE (commonly used by DSL consumers). Please refer to
the Setup section of “Chapter 5: Configuring the Wireless-G Broadband Router” for details on Internet
connection settings.
• Make sure you have the right cable. Check to see if the Internet column has a solidly lit Link/Act LED.
• Make sure the cable connecting from your cable or DSL modem is connected to the Router’s Internet port.
Verify that the Status page of the Router’s web-based utility shows a valid IP address from your ISP.
• Turn off the computer, Router, and cable/DSL modem. Wait 30 seconds, and then turn on the Router,
cable/DSL modem, and computer. Check the Status tab of the Router’s web-based utility to see if you get
an IP address.
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Common Problems and Solutions
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5. I am not able to access the Setup page of the Router’s web-based utility.
• Refer to “Problem #3, I want to test my Internet connection” to verify that your computer is properly
connected to the Router.
• Refer to “Appendix E: Finding the MAC Address and IP address for Your Ethernet Adapter” to verify that
your computer has an IP Address, Subnet Mask, Gateway, and DNS.
• Set a static IP address on your system; refer to “Problem #2: I need to set a static IP address.”
• Refer to “Problem #10: I am a PPPoE user, and I need to remove the proxy settings or the dial-up pop-up
window.”
6. I need to set up a server behind my Router and make it available to the public.
To use a server like a web, ftp, or mail server, you need to know the respective port numbers they are using.
For example, port 80 (HTTP) is used for web; port 21 (FTP) is used for FTP, and port 25 (SMTP outgoing) and
port 110 (POP3 incoming) are used for the mail server. You can get more information by viewing the
documentation provided with the server you installed.
Follow these steps to set up port forwarding through the Router’s web-based utility. We will be setting up
web, ftp, and mail servers.
1. Access the Router’s web-based utility by going to http://192.168.0.1 or the IP address of the Router.
Go to the Applications & Gaming => Port Range Forward tab.
2. Enter any name you want to use for the Application.
3. Enter the Start and End Port range of the service you are using. For example, if you have a web server,
you would enter the range 80 to 80.
4. Select the protocol(s) you will be using, TCP and/or UDP.
5. Enter the IP address of the PC or network device that you want the port server to go to. For example,
if the web server’s Ethernet adapter IP address is 192.168.0.100, you would enter 100 in the field
provided. Check “Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter” for
details on getting an IP address.
6. Check the Enable option for the port services you want to use. Consider the example below:
Application
Start and End
Protocol
IP Address
Enabled
Web server
80 to 80
Both
192.168.0.100
X
FTP server
21 to 21
TCP
192.168.0.101
X
SMTP (outgoing)
25 to 25
Both
192.168.0.102
X
POP3 (incoming)
110 to 110
Both
192.168.0.102
X
When you have completed the configuration, click the Save Settings button.
Appendix A: Troubleshooting
Common Problems and Solutions
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7. I need to set up online game hosting or use other Internet applications.
If you want to play online games or use Internet applications, most will work without doing any port
forwarding or DMZ hosting. There may be cases when you want to host an online game or Internet
application. This would require you to set up the Router to deliver incoming packets or data to a specific
computer. This also applies to the Internet applications you are using. The best way to get the information on
what port services to use is to go to the website of the online game or application you want to use. Follow
these steps to set up online game hosting or use a certain Internet application:
1. Access the Router’s web interface by going to http://192.168.0.1 or the IP address of the Router. Go to
the Applications & Gaming => Port Range Forward tab.
2. Enter any name you want to use for the Application.
3. Enter the Start and End Port range of the service you are using. For example, if you want to host
Unreal Tournament (UT), you would enter the range 7777 to 27900.
4. Select the protocol(s) you will be using, TCP and/or UDP.
5. Enter the IP address of the PC or network device that you want the port server to go to. For example,
if the web server’s Ethernet adapter IP address is 192.168.0.100, you would enter 100 in the field
provided. Check “Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter” for
details on getting an IP address.
6. Check the Enable option for the port services you want to use. Consider the example below:
Application
Start and End
Protocol
IP Address
Enabled
UT
7777 to 27900
Both
192.168.0.100
X
Halflife
27015 to 27015
Both
192.168.0.105
X
PC Anywhere
5631 to 5631
UDP
192.168.0.102
X
VPN IPSEC
500 to 500
UDP
192.168.0.100
X
When you have completed the configuration, click the Save Settings button.
8. I can’t get the Internet game, server, or application to work.
If you are having difficulties getting any Internet game, server, or application to function properly, consider
exposing one PC to the Internet using DeMilitarized Zone (DMZ) hosting. This option is available when an
application requires too many ports or when you are not sure which port services to use. Make sure you
disable all the forwarding entries if you want to successfully use DMZ hosting, since forwarding has priority
over DMZ hosting. (In other words, data that enters the Router will be checked first by the forwarding
settings. If the port number that the data enters from does not have port forwarding, then the Router will send
the data to whichever PC or network device you set for DMZ hosting.)
Appendix A: Troubleshooting
Common Problems and Solutions
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Follow these steps to set DMZ hosting:
1. Access the Router’s web-based utility by going to http://192.168.0.1 or the IP address of the Router.
Go to the Applications & Gaming => Port Range Forward tab.
2. Disable or remove the entries you have entered for forwarding. Keep this information in case you
want to use it at a later time.
3. Go to the Applications & Gaming => DMZ tab.
4. Select Enable next to DMZ. In the Client PC IP Address field, enter the IP address of the computer you
want exposed to the Internet. This will bypass the NAT technology for that computer. Please refer to
“Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter” for details on getting
an IP address.
5. Once completed with the configuration, click the Save Settings button.
9. I forgot my password, or the password prompt always appears when I am saving settings to the
Router.
Reset the Router to factory default by pressing the Reset button for 10 seconds and then releasing it. If you
are still getting prompted for a password when saving settings, then perform the following steps:
1. Access the Router’s web-based utility by going to http://192.168.0.1 or the IP address of the Router.
Enter the default password admin, and click the Administration => Management tab.
2. Enter a different password in the Router Password field, and enter the same password in the second
field to confirm the password.
3. Click the Save Settings button.
10. I am a PPPoE user, and I need to remove the proxy settings or the dial-up pop-up window.
If you have proxy settings, you need to disable these on your computer. Because the Router is the gateway for
the Internet connection, the computer does not need any proxy settings to gain access. Please follow these
directions to verify that you do not have any proxy settings and that the browser you use is set to connect
directly to the LAN.
• For Microsoft Internet Explorer 5.0 or higher:
1. Click Start, Settings, and Control Panel. Double-click Internet Options.
2. Click the Connections tab.
3. Click the LAN settings button and remove anything that is checked.
4. Click the OK button to go back to the previous screen.
5. Click the option Never dial a connection. This will remove any dial-up pop-ups for PPPoE users.
• For Netscape 4.7 or higher:
1. Start Netscape Navigator, and click Edit, Preferences, Advanced, and Proxies.
2. Make sure you have Direct connection to the Internet selected on this screen.
3. Close all the windows to finish.
Appendix A: Troubleshooting
Common Problems and Solutions
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Wireless-G Broadband Router with 2 Phone Ports
11. To start over, I need to set the Router to factory default.
Hold the Reset button for 10 seconds and then release it. This will return the password, forwarding, and other
settings on the Router to the factory default settings. In other words, the Router will revert to its original
factory configuration.
12. I need to upgrade the firmware.
In order to upgrade the firmware with the latest features, you need to go to the Linksys website and download
the latest firmware at www.linksys.com.
Follow these steps:
1. Go to the Linksys website at http://www.linksys.com and download the latest firmware.
2. To upgrade the firmware, follow the steps in “Appendix C: Upgrading Firmware.”
13. I can’t access my e-mail, web or I am getting corrupted data from the Internet.
The Maximum Transmission Unit (MTU) setting may need to be adjusted. By default, the MTU is set at 1500.
For most DSL users, it is strongly recommended to use MTU 1492.
• If you are having some difficulties, perform the following steps:
1. To connect to the Router, go to the web browser, and enter http://192.168.0.1 or the IP address of the
Router.
2. Enter the password, if asked. (The default password is admin.)
3. Look for the MTU option, and select Manual. In the Size field, enter 1492.
4. Click the Save Settings button to continue.
• If your difficulties continue, change the Size to different values. Try this list of values, one value at a time,
in this order, until your problem is solved:
1462
1400
1362
1300
14. When I enter a URL or IP address, I get a time-out error or am prompted to retry.
• Check if other PCs work. If they do, ensure that your workstation’s IP settings are correct (IP Address,
Subnet Mask, Default Gateway, and DNS). Restart the computer that is having a problem.
• If the PCs are configured correctly, but still not working, check the Router. Ensure that it is connected and
powered on. Connect to it and check its settings. (If you cannot connect to it, check the LAN and power
connections.)
• If the Router is configured correctly, check your Internet connection (DSL/cable modem, etc.) to see if it is
working correctly. You can remove the Router to verify a direct connection.
• Manually configure the TCP/IP settings with a DNS address provided by your ISP.
• Make sure that your browser is set to connect directly and that any dial-up is disabled. For Internet
Explorer, click Tools, Internet Options, and then the Connection tab. Make sure that Internet Explorer is
Appendix A: Troubleshooting
Common Problems and Solutions
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Wireless-G Broadband Router with 2 Phone Ports
set to Never dial a connection. For Netscape Navigator, click Edit, Preferences, Advanced, and Proxy.
Make sure that Netscape Navigator is set to Direct connection to the Internet.
Frequently Asked Questions
What is the maximum number of IP addresses that the Router will support?
The Router will support up to 253 IP addresses.
Is IPSec Pass-Through supported by the Router?
Yes, it is a built-in feature that the Router automatically enables.
Where is the Router installed on the network?
In a typical environment, the Router is installed between the cable/DSL modem and the LAN. Plug the Router into
the cable/DSL modem’s Ethernet port.
Does the Router support IPX or AppleTalk?
No. TCP/IP is the only protocol standard for the Internet and has become the global standard for communications.
IPX, a NetWare communications protocol used only to route messages from one node to another, and AppleTalk, a
communications protocol used on Apple and Macintosh networks, can be used for LAN to LAN connections, but
those protocols cannot connect from the Internet to a LAN.
Does the Internet connection of the Router support 100Mbps Ethernet?
The Router’s current hardware design supports up to 100Mbps Ethernet on its Internet port; however, the Internet
connection speed will vary depending on the speed of your broadband connection. The Router also supports
100Mbps over the auto-sensing Fast Ethernet 10/100 switch on the LAN side of the Router.
What is Network Address Translation and what is it used for?
Network Address Translation (NAT) translates multiple IP addresses on the private LAN to one public address that
is sent out to the Internet. This adds a level of security since the address of a PC connected to the private LAN is
never transmitted on the Internet. Furthermore, NAT allows the Router to be used with low cost Internet
accounts, such as DSL or cable modems, when only one TCP/IP address is provided by the ISP. The user may
have many private addresses behind this single address provided by the ISP.
Does the Router support any operating system other than Windows 98SE, Windows Millennium,
Windows 2000, Windows XP or Windows Vista?
Yes, but Linksys does not, at this time, provide technical support for setup, configuration or troubleshooting of
any non-Windows operating systems.
Appendix A: Troubleshooting
Frequently Asked Questions
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Does the Router support ICQ send file?
Yes, with the following fix: click ICQ menu -> preference -> connections tab->, and check I am behind a firewall
or proxy. Then set the firewall time-out to 80 seconds in the firewall setting. The Internet user can then send a file
to a user behind the Router.
I set up an Unreal Tournament Server, but others on the LAN cannot join. What do I need to do?
If you have a dedicated Unreal Tournament server running, you need to create a static IP for each of the LAN
computers and forward ports 7777, 7778, 7779, 7780, 7781, and 27900 to the IP address of the server. You can
also use a port forwarding range of 7777 ~ 27900. If you want to use the UT Server Admin, forward another port.
(Port 8080 usually works well but is used for remote admin. You may have to disable this.) Then in the
[UWeb.WebServer] section of the server.ini file, set the ListenPort to 8080 (to match the mapped port above) and
ServerName to the IP assigned to the Router from your ISP.
Can multiple gamers on the LAN get on one game server and play simultaneously with just one public IP
address?
It depends on which network game or what kind of game server you are using. For example, Unreal Tournament
supports multi-login with one public IP.
How do I get Half-Life: Team Fortress to work with the Router?
The default client port for Half-Life is 27005. The computers on your LAN need to have “+clientport 2700x”
added to the HL shortcut command line; the x would be 6, 7, 8, and on up. This lets multiple computers connect
to the same server. One problem: Version 1.0.1.6 won’t let multiple computers with the same CD key connect at
the same time, even if on the same LAN (not a problem with 1.0.1.3). As far as hosting games, the HL server does
not need to be in the DMZ. Just forward port 27015 to the local IP address of the server computer.
How can I block corrupted FTP downloads?
If you are experiencing corrupted files when you download a file with your FTP client, try using another FTP
program.
The web page hangs; downloads are corrupt, or nothing but junk characters are being displayed on the
screen. What do I need to do?
Force your Ethernet adapter to 10Mbps or half duplex mode, and turn off the “Auto-negotiate” feature of your
Ethernet adapter as a temporary measure. (Please look at the Network Control Panel in your Ethernet adapter’s
Advanced Properties tab.) Make sure that your proxy setting is disabled in the browser. Check our website at
www.linksys.com for more information.
If all else fails in the installation, what can I do?
Reset the Router by holding down the reset button until the Power LED fully turns on and off. Reset your cable or
DSL modem by powering the unit off and then on. Obtain and flash the latest firmware release that is readily
available on the Linksys website, www.linksys.com.
Appendix A: Troubleshooting
Frequently Asked Questions
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Wireless-G Broadband Router with 2 Phone Ports
How will I be notified of new Router firmware upgrades?
All Linksys firmware upgrades are posted on the Linksys website at www.linksys.com, where they can be
downloaded for free. To upgrade the Router’s firmware, use the Administration - Firmware Upgrade tab of the
Router’s web-based utility. If the Router’s Internet connection is working well, there is no need to download a
newer firmware version, unless that version contains new features that you would like to use. Downloading a
more current version of Router firmware will not enhance the quality or speed of your Internet connection, and
may disrupt your current connection stability.
Will the Router function in a Macintosh environment?
Yes, but the Router’s setup pages are accessible only through Internet Explorer 4.0 or Netscape Navigator 4.0 or
higher for Macintosh.
I am not able to get the web configuration screen for the Router. What can I do?
You may have to remove the proxy settings on your Internet browser, e.g., Netscape Navigator or Internet
Explorer. Or remove the dial-up settings on your browser. Check with your browser documentation, and make
sure that your browser is set to connect directly and that any dial-up is disabled. Make sure that your browser is
set to connect directly and that any dial-up is disabled. For Internet Explorer, click Tools, Internet Options, and
then the Connection tab. Make sure that Internet Explorer is set to Never dial a connection. For Netscape
Navigator, click Edit, Preferences, Advanced, and Proxy. Make sure that Netscape Navigator is set to Direct
connection to the Internet.
What is DMZ Hosting?
Demilitarized Zone (DMZ) allows one IP address (computer) to be exposed to the Internet. Some applications
require multiple TCP/IP ports to be open. It is recommended that you set your computer with a static IP if you
want to use DMZ Hosting. To get the LAN IP address, see “Appendix E: Finding the MAC Address and IP Address
for Your Ethernet Adapter.”
If DMZ Hosting is used, does the exposed user share the public IP with the Router?
No.
Does the Router pass PPTP packets or actively route PPTP sessions?
The Router allows PPTP packets to pass through.
Is the Router cross-platform compatible?
Any platform that supports Ethernet and TCP/IP is compatible with the Router.
How many ports can be simultaneously forwarded?
Theoretically, the Router can establish 520 sessions at the same time, but you can only forward 10 ranges of
ports.
Appendix A: Troubleshooting
Frequently Asked Questions
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Wireless-G Broadband Router with 2 Phone Ports
What are the advanced features of the Router?
The Router’s advanced features include advanced wireless settings, filters, access restriction policies, port
forwarding, advanced routing, and DDNS.
How do I get mIRC to work with the Router?
Under the Port Forwarding tab, set port forwarding to 113 for the PC on which you are using mIRC.
Can the Router act as my DHCP server?
Yes. The Router has DHCP server software built-in.
Can I run an application from a remote computer over the wireless network?
This will depend on whether or not the application is designed to be used over a network. Consult the
application’s documentation to determine if it supports operation over a network.
What is the IEEE 802.11g standard?
It is one of the IEEE standards for wireless networks. The 802.11g standard allows wireless networking hardware
from different manufacturers to communicate, provided that the hardware complies with the 802.11g standard.
The 802.11g standard states a maximum data transfer rate of 54Mbps and an operating frequency of 2.4GHz.
What is the IEEE 802.11b standard?
It is one of the IEEE standards for wireless networks. The 802.11b standard allows wireless networking hardware
from different manufacturers to communicate, provided that the hardware complies with the 802.11b standard.
The 802.11b standard states a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz.
What IEEE 802.11g features are supported?
The product supports the following IEEE 802.11g functions:
• CSMA/CA plus Acknowledge protocol
• OFDM protocol
• Multi-Channel Roaming
• Automatic Rate Selection
• RTS/CTS feature
• Fragmentation
• Power Management
What IEEE 802.11b features are supported?
The product supports the following IEEE 802.11b functions:
• CSMA/CA plus Acknowledge protocol
• Multi-Channel Roaming
• Automatic Rate Selection
Appendix A: Troubleshooting
Frequently Asked Questions
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• RTS/CTS feature
• Fragmentation
• Power Management
What is ad-hoc mode?
When a wireless network is set to ad-hoc mode, the wireless-equipped computers are configured to
communicate directly with each other. The ad-hoc wireless network will not communicate with any wired
network.
What is infrastructure mode?
When a wireless network is set to infrastructure mode, the wireless network is configured to communicate with
a wired network through a wireless access point.
What is roaming?
Roaming is the ability of a portable computer user to communicate continuously while moving freely throughout
an area greater than that covered by a single access point. Before using the roaming function, the workstation
must make sure that it is the same channel number with the access point of dedicated coverage area.
To achieve true seamless connectivity, the wireless LAN must incorporate a number of different functions. Each
node and access point, for example, must always acknowledge receipt of each message. Each node must
maintain contact with the wireless network even when not actually transmitting data. Achieving these functions
simultaneously requires a dynamic RF networking technology that links access points and nodes. In such a
system, the user’s end node undertakes a search for the best possible access to the system. First, it evaluates
such factors as signal strength and quality, as well as the message load currently being carried by each access
point and the distance of each access point to the wired backbone. Based on that information, the node next
selects the right access point and registers its address. Communications between end node and host computer
can then be transmitted up and down the backbone.
As the user moves on, the end node’s RF transmitter regularly checks the system to determine whether it is in
touch with the original access point or whether it should seek a new one. When a node no longer receives
acknowledgment from its original access point, it undertakes a new search. Upon finding a new access point, it
then re-registers, and the communication process continues.
What is ISM band?
The FCC and their counterparts outside of the U.S. have set aside bandwidth for unlicensed use in the ISM
(Industrial, Scientific and Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is being made available
worldwide. This presents a truly revolutionary opportunity to place convenient high-speed wireless capabilities in
the hands of users around the globe.
Appendix A: Troubleshooting
Frequently Asked Questions
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What is Spread Spectrum?
Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in
reliable, secure, mission-critical communications systems. It is designed to trade off bandwidth efficiency for
reliability, integrity, and security. In other words, more bandwidth is consumed than in the case of narrowband
transmission, but the trade-off produces a signal that is, in effect, louder and thus easier to detect, provided that
the receiver knows the parameters of the spread-spectrum signal being broadcast. If a receiver is not tuned to
the right frequency, a spread-spectrum signal looks like background noise. There are two main alternatives,
Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).
What is DSSS? What is FHSS? And what are their differences?
Frequency-Hopping Spread-Spectrum (FHSS) uses a narrowband carrier that changes frequency in a pattern that
is known to both transmitter and receiver. Properly synchronized, the net effect is to maintain a single logical
channel. To an unintended receiver, FHSS appears to be short-duration impulse noise. Direct-Sequence SpreadSpectrum (DSSS) generates a redundant bit pattern for each bit to be transmitted. This bit pattern is called a chip
(or chipping code). The longer the chip, the greater the probability that the original data can be recovered. Even if
one or more bits in the chip are damaged during transmission, statistical techniques embedded in the radio can
recover the original data without the need for retransmission. To an unintended receiver, DSSS appears as low
power wideband noise and is rejected (ignored) by most narrowband receivers.
What is WEP?
WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 64-bit or 128-bit shared key algorithm, as
described in the IEEE 802.11 standard.
What is a MAC Address?
The Media Access Control (MAC) address is a unique number assigned by the manufacturer to any Ethernet
networking device, such as a network adapter, that allows the network to identify it at the hardware level. For all
practical purposes, this number is usually permanent. Unlike IP addresses, which can change every time a
computer logs onto the network, the MAC address of a device stays the same, making it a valuable identifier for
the network.
How do I reset the Router?
Press the Reset button on the back panel for about five seconds. This will reset the Router to its default settings.
How do I resolve issues with signal loss?
There is no way to know the exact range of your wireless network without testing. Every obstacle placed between
the Router and a wireless PC will create signal loss. Lead glass, metal, concrete floors, water and walls will
inhibit the signal and reduce range. Start with the Router and your wireless PC in the same room and move it
away in small increments to determine the maximum range in your environment. You may also try using different
channels, as this may eliminate interference affecting only one channel.
Appendix A: Troubleshooting
Frequently Asked Questions
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I have excellent signal strength, but I cannot see my network.
Wireless security is probably enabled on the Router, but not on your wireless adapter (or vice versa). Verify that
the same wireless security method and passphrase/keys are being used on all devices of your wireless network.
How many channels/frequencies are available with the Router?
There are eleven available channels, ranging from 1 to 11, in North America. There may be additional channels
available in other regions, subject to the regulations of your region and/or country.
If your questions are not addressed here, refer to the Linksys website, www.linksys.com.
Appendix A: Troubleshooting
Frequently Asked Questions
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Wireless-G Broadband Router with 2 Phone Ports
Appendix B: Wireless Security
Linksys wants to make wireless networking as safe and easy for you as possible. The current generation of
Linksys products provide several network security features, but they require specific action on your part for
implementation. So, keep the following in mind whenever you are setting up or using your wireless network.
Security Precautions
The following is a complete list of security precautions to take (at least steps 1 through 5 should be followed):
1. Change the default SSID.
2. Disable SSID Broadcast.
3. Change the default password for the Administrator account.
4. Enable MAC Address Filtering.
5. Change the SSID periodically.
6. Use the highest encryption algorithm possible. Use WPA if it is available. Please note that this may reduce
your network performance.
NOTE: Some of these security features are
available only through the network router or
access point. Refer to the router or access
point’s documentation for more information.
7. Change the WEP encryption keys periodically.
For information on implementing these security features, refer to “Chapter 5: Configuring the Wireless-G
Broadband Router.”
Security Threats Facing Wireless Networks
Wireless networks are easy to find. Hackers know that in order to join a wireless network, wireless networking
products first listen for “beacon messages”. These messages can be easily decrypted and contain much of the
network’s information, such as the network’s SSID (Service Set Identifier). Here are the steps you can take:
Change the administrator’s password regularly. With every wireless networking device you use, keep in
mind that network settings (SSID, WEP keys, etc.) are stored in its firmware. Your network administrator is the
only person who can change network settings. If a hacker gets a hold of the administrator’s password, he, too,
can change those settings. So, make it harder for a hacker to get that information. Change the administrator’s
password regularly.
Appendix B: Wireless Security
Security Precautions
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SSID. There are several things to keep in mind about the SSID:
1. Disable Broadcast
2. Make it unique
3. Change it often
Most wireless networking devices will give you the option of broadcasting the SSID. While this option may be
more convenient, it allows anyone to log into your wireless network. This includes hackers. So, don’t broadcast
the SSID.
Wireless networking products come with a default SSID set by the factory. (The Linksys default SSID is “linksys”.)
Hackers know these defaults and can check these against your network. Change your SSID to something unique
and not something related to your company or the networking products you use.
Change your SSID regularly so that any hackers who have gained access to your wireless network will have to
start from the beginning in trying to break in.
MAC Addresses. Enable MAC Address filtering. MAC Address filtering will allow you to provide access to only
those wireless nodes with certain MAC Addresses. This makes it harder for a hacker to access your network with
a random MAC Address.
WEP Encryption. Wired Equivalent Privacy (WEP) is often looked upon as a cure-all for wireless security
concerns. This is overstating WEP’s ability. Again, this can only provide enough security to make a hacker’s job
more difficult.
There are several ways that WEP can be maximized:
1. Use the highest level of encryption possible
2. Use “Shared Key” authentication
3. Change your WEP key regularly
IMPORTANT: Always remember that each
device in your wireless network MUST use
the same encryption method and encryption
key or your wireless network will not function
properly.
WPA. Wi-Fi Protected Access (WPA) is the newest and best available standard in Wi-Fi security. Two modes are
available: Personal (also known as Pre-Shared Key) and Enterprise. Personal gives you a choice of two encryption
methods: TKIP (Temporal Key Integrity Protocol), which utilizes a stronger encryption method and incorporates
Message Integrity Code (MIC) to provide protection against hackers, and AES (Advanced Encryption System),
which utilizes a symmetric 128-Bit block data encryption. Enterprise utilizes a RADIUS (Remote Authentication
Dial-In User Service) server for authentication and the use of dynamic TKIP, AES, or WEP.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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WPA Personal. If you do not have a RADIUS server, Select the type of algorithm, TKIP or AES, enter a
password in the Pre-Shared key field of 8-64 characters, and enter a Group Key Renewal period time between
0 and 99,999 seconds, which instructs the Router or other device how often it should change the encryption
keys.
WPA Enterprise. WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS
server is connected to the Router or other device.) First, select the type of WPA algorithm, TKIP or AES. Enter
the RADIUS server’s IP Address and port number, along with a key shared between the device and the server.
Last, enter a Group Key Renewal period, which instructs the device how often it should change the encryption
keys.
RADIUS. WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is
connected to the Router or other device.) First, enter the RADIUS server’s IP Address and port number, along
with a key shared between the device and the server. Then, select a WEP key and a level of WEP encryption,
and either generate a WEP key through the Passphrase or enter the WEP key manually.
Implementing encryption may have a negative impact on your network’s performance, but if you are transmitting
sensitive data over your network, encryption should be used.
These security recommendations should help keep your mind at ease while you are enjoying the most flexible
and convenient technology Linksys has to offer.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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Appendix C: Upgrading Firmware
The Router's firmware is upgraded through the Web-based Utility's Administration tab. Follow these instructions:
1. Download the firmware from Linksys's website at www.linksys.com.
2. Extract the firmware file on your computer.
3. Open the Router’s Web-based Utility, and click the Administration tab.
4. Click Firmware Upgrade, and the Upgrade Firmware screen will appear.
5. Enter the location of the firmware's file or click the Browse button to find the file.
6. Then click the Upgrade button and follow the on-screen instructions.
Appendix C: Upgrading Firmware
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Figure C-1: Upgrade Firmware
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Appendix D: Windows Help
Almost Linksys wireless products require Microsoft Windows. Windows is the most used operating system in the
world and comes with many features that help make networking easier. These features can be accessed through
Windows Help and are described in this appendix.
TCP/IP
Before a computer can communicate with the Router, TCP/IP must be enabled. TCP/IP is a set of instructions, or
protocol, all PCs follow to communicate over a network. This is true for wireless networks as well. Your PCs will
not be able to utilize wireless networking without having TCP/IP enabled. Windows Help provides complete
instructions on enabling TCP/IP.
Shared Resources
If you wish to share printers, folder, or files over your network, Windows Help provides complete instructions on
utilizing shared resources.
Network Neighborhood/My Network Places
Other PCs on your network will appear under Network Neighborhood or My Network Places (depending upon the
version of Windows you're running). Windows Help provides complete instructions on adding PCs to your
network.
Appendix D: Windows Help
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Appendix E: Finding the MAC Address and IP Address for
Your Ethernet Adapter
This section 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. You can also find the IP address of your computer’s
Ethernet adapter. This IP address is used for the Router’s filtering, forwarding, and/or DMZ features. Follow the
steps in this appendix to find the adapter’s MAC or IP address in Windows 2000, XP or Vista.
Windows 2000 or XP Instructions
1. Click Start and Run. In the Open field, enter cmd. Press the Enter key or click the OK button.
2. At the command prompt, enter ipconfig /all. Then press the Enter key.
Figure E-1: MAC Address/Physical Address
3. Write down the Physical Address as shown on your computer screen (Figure E-1); it is the MAC address for
your Ethernet adapter. This appears as a series of numbers and letters.
The MAC address/Physical Address is what you will use for MAC address cloning or MAC filtering.
The example in Figure E-1 shows the Ethernet adapter’s IP address as 192.168.0.100. Your computer may
show something different.
Note: The MAC address is also called the Physical Address.
The Wizard is not compatible with Mac® computers. Refer to Chapter 4: Connecting the Wireless-G
Broadband Router with 2 Phone Ports and Chapter 5: Configuring the Wireless-G Broadband Router
with 2 Phone Ports.
Windows Vista Instructions
1. Click Start. Enter cmd in the Start Search field. Press the Enter key.
2. At the command prompt, enter ipconfig /all. Then press the Enter key.
3. Write down the Physical Address as shown on your computer screen (Figure E-1); it is the MAC address for
your Ethernet adapter. This appears as a series of numbers and letters.
Figure E-2: MAC Address Filter List
Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter
Windows 2000 or XP Instructions
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The MAC address/Physical Address is what you will use for MAC address cloning or MAC filtering.
Note: The MAC address is also called the Physical Address.
The example in Figure E-1 shows the Ethernet adapter’s IP address as 192.168.0.100. Your
computer may show something different.
Figure E-3: MAC Address Clone
For the Router’s Web-based Utility
For MAC filtering, enter the 12-digit MAC address in this format, XXXXXXXXXXXX, WITHOUT the hyphens. See
Figure E-2.
For MAC address cloning, enter the 12-digit MAC address in the MAC Address fields provided, two digits per field.
See Figure E-3.
Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter
For the Router’s Web-based Utility
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Appendix F: Glossary
802.11b - A wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an
operating frequency of 2.4GHz.
802.11g - A wireless networking standard that specifies a maximum data transfer rate of 54Mbps, an operating
frequency of 2.4GHz, and backward compatibility with 802.11b devices.
Access Point - A device that allows wireless-equipped computers and other devices to communicate with a
wired network. Also used to expand the range of a wireless network.
Adapter - A device that adds network functionality to your PC.
Ad-hoc - A group of wireless devices communicating directly with each other (peer-to-peer) without the use of
an access point.
AES (Advanced Encryption Standard) - A security method that uses symmetric 128-bit block data encryption.
Backbone - The part of a network that connects most of the systems and networks together, and handles the
most data.
Bandwidth - The transmission capacity of a given device or network.
Beacon Interval - Data transmitted on your wireless network that keeps the network synchronized.
Bit - A binary digit.
Boot - To start a device and cause it to start executing instructions.
Bridge - A device that connects different networks.
Broadband - An always-on, fast Internet connection.
Browser - An application program that provides a way to look at and interact with all the information on the
World Wide Web.
Buffer - A shared or assigned memory area that is used to support and coordinate different computing and
networking activities so one isn't held up by the other.
Byte - A unit of data that is usually eight bits long
Appendix F: Glossary
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Cable Modem - A device that connects a computer to the cable television network, which in turn connects to the
Internet.
CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) - A method of data transfer that is used to prevent
data collisions.
CTS (Clear To Send) - A signal sent by a wireless device, signifying that it is ready to receive data.
Daisy Chain - A method used to connect devices in a series, one after the other.
Database - A collection of data that is organized so that its contents can easily be accessed, managed, and
updated.
DDNS (Dynamic Domain Name System) - Allows the hosting of a website, FTP server, or e-mail server with a
fixed domain name (e.g., www.xyz.com) and a dynamic IP address.
Default Gateway - A device that forwards Internet traffic from your local area network.
DHCP (Dynamic Host Configuration Protocol) - A networking protocol that allows administrators to assign
temporary IP addresses to network computers by “leasing” an IP address to a user for a limited amount of time,
instead of assigning permanent IP addresses.
DMZ (Demilitarized Zone) - Removes the Router's firewall protection from one PC, allowing it to be “seen” from
the Internet.
DNS (Domain Name Server) - The IP address of your ISP's server, which translates the names of websites into IP
addresses.
Domain - A specific name for a network of computers.
Download - To receive a file transmitted over a network.
DSL (Digital Subscriber Line) - An always-on broadband connection over traditional phone lines.
DSSS (Direct-Sequence Spread-Spectrum) - Frequency transmission with a redundant bit pattern resulting in a
lower probability of information being lost in transit.
DTIM (Delivery Traffic Indication Message) - A message included in data packets that can increase wireless
efficiency.
Dynamic IP Address - A temporary IP address assigned by a DHCP server.
Appendix F: Glossary
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EAP (Extensible Authentication Protocol) - A general authentication protocol used to control network access.
Many specific authentication methods work within this framework.
EAP-PEAP (Extensible Authentication Protocol-Protected Extensible Authentication Protocol) - A mutual
authentication method that uses a combination of digital certificates and another system, such as passwords.
EAP-TLS (Extensible Authentication Protocol-Transport Layer Security) - A mutual authentication method that
uses digital certificates.
EasyKeySetup - EasyKeySetup will create a secure wireless connection using encryption. To ensure your TMobile phone works on your secured connection, follow the EasyKeySetup steps to share the encryption
information with your phone. If you have not previously enabled security for the wireless router, the default will be
WPA-PSK encryption. If you have enabled security and have a key already in the wireless router, EasyKeySetup
will use the currently security settings and share those with the T-Mobile phone.
Encryption - Encoding data transmitted in a network.
Ethernet - A networking protocol that specifies how data is placed on and retrieved from a common transmission
medium.
Finger - A program that tells you the name associated with an e-mail address.
Firewall - A set of related programs located at a network gateway server that protects the resources of a
network from users from other networks.
Firmware - The programming code that runs a networking device.
Fragmentation -Breaking a packet into smaller units when transmitting over a network medium that cannot
support the original size of the packet.
FTP (File Transfer Protocol) - A protocol used to transfer files over a TCP/IP network.
Full Duplex - The ability of a networking device to receive and transmit data simultaneously.
Gateway - A device that interconnects networks with different, incompatible communications protocols.
Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at a
time.
Hardware - The physical aspect of computers, telecommunications, and other information technology devices.
Appendix F: Glossary
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HTTP (HyperText Transport Protocol) - The communications protocol used to connect to servers on the World
Wide Web.
Infrastructure - A wireless network that is bridged to a wired network via an access point.
IP (Internet Protocol) - A protocol used to send data over a network.
IP Address - The address used to identify a computer or device on a network.
IPCONFIG - A Windows 2000, XP and Vista utility that displays the IP address for a particular networking device.
IPSec (Internet Protocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer.
ISM band - Radio bandwidth utilized in wireless transmissions.
ISP (Internet Service Provider) - A company that provides access to the Internet.
LAN - The computers and networking products that make up your local network.
LEAP (Lightweight Extensible Authentication Protocol) - A mutual authentication method that uses a username
and password system.
MAC (Media Access Control) Address - The unique address that a manufacturer assigns to each networking
device.
Mbps (MegaBits Per Second) - One million bits per second; a unit of measurement for data transmission.
mIRC - An Internet Relay Chat program that runs under Windows.
Multicasting - Sending data to a group of destinations at once.
NAT (Network Address Translation) - NAT technology translates IP addresses of a local area network to a different
IP address for the Internet.
Network - A series of computers or devices connected for the purpose of data sharing, storage, and/or
transmission between users.
NNTP (Network News Transfer Protocol) - The protocol used to connect to Usenet groups on the Internet.
Node - A network junction or connection point, typically a computer or work station.
Appendix F: Glossary
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OFDM (Orthogonal Frequency Division Multiplexing) - Frequency transmission that separates the data stream
into a number of lower-speed data streams, which are then transmitted in parallel to prevent information from
being lost in transit.
Packet - A unit of data sent over a network.
Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically
generating the WEP encryption keys for Linksys products.
PEAP (Protected Extensible Authentication Protocol) - A mutual authentication method that uses a combination
of digital certificates and another system, such as passwords.
Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.
POP3 (Post Office Protocol 3) - A standard mail server commonly used on the Internet.
Port - The connection point on a computer or networking device used for plugging in cables or adapters.
Power over Ethernet (PoE) - A technology enabling an Ethernet network cable to deliver both data and power.
PPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP (Point-to-Point Tunneling Protocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be
tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.
Preamble - Part of the wireless signal that synchronizes network traffic.
RADIUS (Remote Authentication Dial-In User Service) - A protocol that uses an authentication server to control
network access.
RJ-45 (Registered Jack-45) - An Ethernet connector that holds up to eight wires.
Roaming - The ability to take a wireless device from one access point's range to another without losing the
connection.
Router - A networking device that connects multiple networks together.
RTS (Request To Send) - A networking method of coordinating large packets through the RTS Threshold setting.
Server - Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
Appendix F: Glossary
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SMTP (Simple Mail Transfer Protocol) - The standard e-mail protocol on the Internet.
SNMP (Simple Network Management Protocol) - A widely used network monitoring and control protocol.
Software - Instructions for the computer. A series of instructions that performs a particular task is called a
“program”.
SOHO (Small Office/Home Office) - Market segment of professionals who work at home or in small offices.
SPI (Stateful Packet Inspection) Firewall - A technology that inspects incoming packets of information before
allowing them to enter the network.
Spread Spectrum - Wideband radio frequency technique used for more reliable and secure data transmission.
SSID (Service Set IDentifier) - Your wireless network's name.
Static IP Address - A fixed address assigned to a computer or device that is connected to a network.
Static Routing - Forwarding data in a network via a fixed path.
Subnet Mask - An address code that determines the size of the network.
Switch - 1. A data switch that connects computing devices to host computers, allowing a large number of
devices to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an
electrical circuit.
TCP (Transmission Control Protocol) - A network protocol for transmitting data that requires acknowledgement
from the recipient of data sent.
TCP/IP (Transmission Control Protocol/Internet Protocol) - A set of instructions PCs use to communicate over a
network.
Telnet - A user command and TCP/IP protocol used for accessing remote PCs.
TFTP (Trivial File Transfer Protocol) - A version of the TCP/IP FTP protocol that has no directory or password
capability.
Throughput - The amount of data moved successfully from one node to another in a given time period.
TKIP (Temporal Key Integrity Protocol) - a wireless encryption protocol that provides dynamic encryption keys for
each packet transmitted.
Topology - The physical layout of a network.
Appendix F: Glossary
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TX Rate - Transmission Rate.
UDP (User Datagram Protocol) - A network protocol for transmitting data that does not require acknowledgement
from the recipient of the data that is sent.
Upgrade - To replace existing software or firmware with a newer version.
Upload - To transmit a file over a network.
URL (Uniform Resource Locator) - The address of a file located on the Internet.
VPN (Virtual Private Network) - A security measure to protect data as it leaves one network and goes to another
over the Internet.
WAN (Wide Area Network)- The Internet.
WEP (Wired Equivalent Privacy) - A method of encrypting network data transmitted on a wireless network for
greater security.
WLAN (Wireless Local Area Network) - A group of computers and associated devices that communicate with
each other wirelessly.
WPA (Wi-Fi Protected Access) - a wireless security protocol using TKIP (Temporal Key Integrity Protocol)
encryption, which can be used in conjunction with a RADIUS server.
Appendix F: Glossary
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Appendix G: Specifications
Model
WRTU54G-TM
Standards
IEEE 802.3, IEEE 802.3u, IEEE 802.11g, IEEE 802.11b
Channels
11 Channels (US, Canada)
Ports
Internet: One 10/100 RJ-45 Port
LAN: Four 10/100 RJ-45 Switched Ports
One Power Port
Two RJ-11 Phone Ports
Buttons
Reset, Get Security Key
Cabling Type
Ethernet Network Cable, Standard Phone Cable
LEDs
Power, LAN (1-4), WLAN, Phone1-2, Internet, Pairing
RF Power Output
18 dBm
UPnP able/cert
Able
Security Features
Stateful Packet Inspection (SPI) Firewall, Internet Policy
Wireless Security
Wi-Fi Protected Access™ (WPA), WEP, Wireless MAC Filtering
Wi-Fi Protected Access™2 (WPA2)
Dimensions
(W x H x D)
6.69" x 1.30" x 6.97"
(170 mm x 33 mm x 177 mm)
Unit Weight
13 oz. (368g)
Power
External, 12V DC, 1.5A
Appendix G: Specifications
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Certifications
FCC, IC-03, CE, Wi-Fi (802.11b, 802.11g), WPA, WPA2, WMM
Operating Temp.
0ºC to 40ºC (32ºF to 104ºF)
Storage Temp.
-20ºC to 70ºC (-4ºF to 158ºF)
Operating Humidity
10% to 85%, Non-Condensing
Storage Humidity
5% to 90%, Non-Condensing
Appendix G: Specifications
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Appendix H: Warranty Information
LIMITED WARRANTY
Linksys warrants to You that, for a period of three years (the “Warranty Period”), your Linksys Product will be substantially
free of defects in materials and workmanship under normal use. Your exclusive remedy and Linksys' entire liability under
this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any
rebates. This limited warranty extends only to the original purchaser.
If the Product proves defective during the Warranty Period call Linksys Technical Support in order to obtain a Return
Authorization Number, if applicable. BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING. If You are
requested to return the Product, mark the Return Authorization Number clearly on the outside of the package and include a
copy of your original proof of purchase. RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE. You
are responsible for shipping defective Products to Linksys. Linksys pays for UPS Ground shipping from Linksys back to You
only. Customers located outside of the United States of America and Canada are responsible for all shipping and handling
charges.
ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED
TO THE DURATION OF THE WARRANTY PERIOD. ALL OTHER EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF NON-INFRINGEMENT, ARE DISCLAIMED. Some jurisdictions do not
allow limitations on how long an implied warranty lasts, so the above limitation may not apply to You. This warranty gives
You specific legal rights, and You may also have other rights which vary by jurisdiction.
This warranty does not apply if the Product (a) has been altered, except by Linksys, (b) has not been installed, operated,
repaired, or maintained in accordance with instructions supplied by Linksys, or (c) has been subjected to abnormal
physical or electrical stress, misuse, negligence, or accident. In addition, due to the continual development of new
techniques for intruding upon and attacking networks, Linksys does not warrant that the Product will be free of
vulnerability to intrusion or attack.
TO THE EXTENT NOT PROHIBITED BY LAW, IN NO EVENT WILL LINKSYS BE LIABLE FOR ANY LOST DATA, REVENUE OR
PROFIT, OR FOR SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, REGARDLESS OF THE THEORY
OF LIABILITY (INCLUDING NEGLIGENCE), ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE PRODUCT
(INCLUDING ANY SOFTWARE), EVEN IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT
WILL LINKSYS’ LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT. The foregoing limitations will apply even if
any warranty or remedy provided under this Agreement fails of its essential purpose. Some jurisdictions do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to You.
Please direct all inquiries to: Linksys, P.O. Box 18558, Irvine, CA 92623 USA.
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Appendix I: Regulatory Information
FCC Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) this device must accept any interference received, including interference that
may cause undesired operation.
This product has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
according to the instructions, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which is found by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
•
•
•
•
Reorient or relocate the receiving antenna
Increase the separation between the equipment or devices
Connect the equipment to an outlet other than the receiver's
Consult a dealer or an experienced radio/TV technician for assistance
FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate this equipment.
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator and your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. IEEE 802.11b or
802.11g operation of this product in the USA is firmware-limited to channels 1 through 11.
Safety Notices
Caution: To reduce the risk of fire, use only No.26 AWG or larger telecommunication line cord.
Do not use this product near water, for example, in a wet basement or near a swimming pool.
Avoid using this product during an electrical storm. There may be a remote risk of electric shock from lightning.
Appendix I: Regulatory Information
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Industry Canada Statement
This device complies with Industry Canada ICES-003 and RSS210 rules.
Operation is subject to the following two conditions:
1. This device may not cause interference and
2. This device must accept any interference, including interference that may cause undesired operation of the device.
This device has been designed to operate with an antenna having a maximum gain of 3dBi. Antenna having a higher
gain is strictly prohibited per regulations of Industry Canada. The required antenna impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the EIRP is
not more than required for successful communication.
Industry Canada Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Avis d'Industrie Canada
Cet appareil est conforme aux normes NMB003 et RSS210 d'Industrie Canada.
L'utilisation de ce dispositif est autorisée seulement aux conditions suivantes :
1. il ne doit pas produire de brouillage et
2. il doit accepter tout brouillage radioélectrique reçu, même si ce brouillage est susceptible de compromettre le
fonctionnement du dispositif. Le dispositif a été conçu pour fonctionner avec une antenne ayant un gain maximum de 3
dBi. Les règlements d'Industrie Canada interdisent strictement l'utilisation d'antennes dont le gain est supérieur à
cette limite. L'impédance requise de l'antenne est de 50 ohms.
Afin de réduire le risque d'interférence aux autres utilisateurs, le type d'antenne et son gain doivent être choisis de
façon à ce que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne soit pas supérieure au niveau requis pour obtenir
une communication satisfaisante.
Avis d'Industrie Canada concernant l'exposition aux radiofréquences :
Ce matériel est conforme aux limites établies par IC en matière d'exposition aux radiofréquences dans un environnement
non contrôlé. Ce matériel doit être installé et utilisé à une distance d'au moins 20 cm entre l'antenne et le corps de
l'utilisateur.
L'émetteur ne doit pas être placé près d'une autre antenne ou d'un autre émetteur, ou fonctionner avec une autre antenne
ou un autre émetteur.
Appendix I: Regulatory Information
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User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste Electric and Electronic
Equipment (WEEE)
This document contains important information for users with regards to the proper disposal and recycling of Linksys
products. Consumers are required to comply with this notice for all electronic products bearing the following symbol:
Appendix I: Regulatory Information
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Appendix I: Regulatory Information
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Appendix I: Regulatory Information
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Appendix I: Regulatory Information
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For more information, visit www.linksys.com.
Wireless Disclaimer
The maximum performance for wireless is derived from IEEE Standard 802.11 specifications. Actual performance can vary,
including lower wireless network capacity, data throughput rate, range and coverage. Performance depends on many
factors, conditions and variables, including distance from the access point, volume of network traffic, building materials
and construction, operating system used, mix of wireless products used, interference and other adverse conditions.
Avis de non-responsabilité concernant les appareils sans fil
Les performances maximales pour les réseaux sans fil sont tirées des spécifications de la norme IEEE 802.11. Les
performances réelles peuvent varier, notamment en fonction de la capacité du réseau sans fil, du débit de la transmission
de données, de la portée et de la couverture. Les performances dépendent de facteurs, conditions et variables multiples,
en particulier de la distance par rapport au point d’accès, du volume du trafic réseau, des matériaux utilisés dans le
bâtiment et du type de construction, du système d’exploitation et de la combinaison de produits sans fil utilisés, des
interférences et de toute autre condition défavorable.
Appendix I: Regulatory Information
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Appendix J: Software License Agreement
Software in Linksys Products
This product from Cisco-Linksys LLC or from one of its affiliates Cisco Systems-Linksys (Asia) Pte Ltd. or Cisco-Linksys
K.K. (“Linksys”) contains software (including firmware) originating from Linksys and its suppliers and may also contain
software from the open source community. Any software originating from Linksys and its suppliers is licensed under the
Linksys Software License Agreement contained at Schedule 1 below. You may also be prompted to review and accept that
Linksys Software License Agreement upon installation of the software
Any software from the open source community is licensed under the specific license terms applicable to that software
made available by Linksys at www.linksys.com/gpl or as provided for in Schedules 2, 3 and 4 below.
Where such specific license terms entitle you to the source code of such software, that source code is upon request
available at cost from Linksys for at least three years from the purchase date of this product and may also be available for
download from www.linksys.com/gpl. For detailed license terms and additional information on open source software in
Linksys products please look at the Linksys public web site at: www.linksys.com/gpl/ or Schedules 2, 3 or 4 below as
applicable.
BY DOWNLOADING OR INSTALLING THE SOFTWARE, OR USING THE PRODUCT CONTAINING THE SOFTWARE, YOU ARE
CONSENTING TO BE BOUND BY THE SOFTWARE LICENSE AGREEMENTS BELOW. IF YOU DO NOT AGREE TO ALL OF THESE
TERMS, THEN YOU MAY NOT DOWNLOAD, INSTALL OR USE THE SOFTWARE. YOU MAY RETURN UNUSED SOFTWARE (OR, IF
THE SOFTWARE IS SUPPLIED AS PART OF ANOTHER PRODUCT, THE UNUSED PRODUCT) FOR A FULL REFUND UP TO 30 DAYS
AFTER ORIGINAL PURCHASE, SUBJECT TO THE RETURN PROCESS AND POLICIES OF THE PARTY FROM WHICH YOU
PURCHASED SUCH PRODUCT OR SOFTWARE.
Software Licenses
The software Licenses applicable to software from Linksys are made available at the Linksys public web site at:
ww.linksys.com. For your convenience of reference, a copy of the Linksys Software License Agreement and the main
open source code licenses used by Linksys in its products are contained in the Schedules below.
Schedule 1 - Linksys Software License Agreement
THIS LICENSE AGREEMENT IS BETWEEN YOU AND CISCO-LINKSYS LLC OR ONE OF ITS AFFILIATES CISCO SYSTEMS-LINKSYS
(ASIA) PTE LTD. OR CISCO-LINKSYS K.K. (“LINKSYS”) LICENSING THE SOFTWARE INSTEAD OF CISCO-LINKSYS LLC. BY
Appendix J: Software License Agreement
Software in Linksys Products
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DOWNLOADING OR INSTALLING THE SOFTWARE, OR USING THE PRODUCT CONTAINING THE SOFTWARE, YOU ARE
CONSENTING TO BE BOUND BY THIS AGREEMENT. IF YOU DO NOT AGREE TO ALL OF THESE TERMS, THEN YOU MAY NOT
DOWNLOAD, INSTALL OR USE THE SOFTWARE. YOU MAY RETURN UNUSED SOFTWARE (OR, IF THE SOFTWARE IS SUPPLIED
AS PART OF ANOTHER PRODUCT, THE UNUSED PRODUCT) FOR A FULL REFUND UP TO 30 DAYS AFTER ORIGINAL PURCHASE,
SUBJECT TO THE RETURN PROCESS AND POLICIES OF THE PARTY FROM WHICH YOU PURCHASED SUCH PRODUCT OR
SOFTWARE.
License. Subject to the terms and conditions of this Agreement, Linksys grants the original end user purchaser of the
Linksys product containing the Software (“You”) a nonexclusive license to use the Software solely as embedded in or
(where authorized in the applicable documentation) for communication with such product. This license may not be
sublicensed, and is not transferable except to a person or entity to which you transfer ownership of the complete Linksys
product containing the Software, provided you permanently transfer all rights under this Agreement and do not retain any
full or partial copies of the Software, and the recipient agrees to the terms of this Agreement.
“Software” includes, and this Agreement will apply to (a) the software of Linksys or its suppliers provided in or with the
applicable Linksys product, excluding technology from the open source community, and (b) any upgrades, updates, bug
fixes or modified versions (“Upgrades”) or backup copies of the Software supplied to You by Linksys or an authorized
reseller, provided you already hold a valid license to the original software and have paid any applicable fee for the Upgrade.
Protection of Information. The Software and documentation contain trade secrets and/or copyrighted materials of
Linksys or its suppliers. You will not copy or modify the Software or decompile, decrypt, reverse engineer or disassemble
the Software (except to the extent expressly permitted by law notwithstanding this provision), and You will not disclose or
make available such trade secrets or copyrighted material in any form to any third party. Title to and ownership of the
Software and documentation and any portion thereof, will remain solely with Linksys or its suppliers.
Collection and Processing of Information. You agree that Linksys and/or its affiliates may, from time to time, collect and
process information about your Linksys product and/or the Software and/or your use of either in order (i) to enable Linksys
to offer you Upgrades; (ii) to ensure that your Linksys product and/or the Software is being used in accordance with the
terms of this Agreement; (iii) to provide improvements to the way Linksys delivers technology to you and to other Linksys
customers; (iv) to enable Linksys to comply with the terms of any agreements it has with any third parties regarding your
Linksys product and/or Software and/or (v) to enable Linksys to comply with all applicable laws and/or regulations, or the
requirements of any regulatory authority or government agency. Linksys and/ or its affiliates may collect and process this
information provided that it does not identify you personally. Your use of your Linksys product and/or the Software
constitutes this consent by you to Linksys and/or its affiliates’ collection and use of such information and, for EEA
customers, to the transfer of such information to a location outside the EEA.
Software Upgrades etc. If the Software enables you to receive Upgrades, you may elect at any time to receive these
Upgrades either automatically or manually. If you elect to receive Upgrades manually or you otherwise elect not to receive
or be notified of any Upgrades, you may expose your Linksys product and/or the Software to serious security threats and/
or some features within your Linksys product and/or Software may become inaccessible. There may be circumstances
where we apply an Upgrade automatically in order to comply with changes in legislation, legal or regulatory requirements
Appendix J: Software License Agreement
Schedule 1 - Linksys Software License Agreement
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or as a result of requirements to comply with the terms of any agreements Linksys has with any third parties regarding
your Linksys product and/or the Software. You will always be notified of any Upgrades being delivered to you. The terms of
this license will apply to any such Upgrade unless the Upgrade in question is accompanied by a separate license, in which
event the terms of that license will apply.
Open Source Software. The GPL or other open source code incorporated into the Software and the open source license
for such source code are available for free download at http://www.linksys.com/gpl. If You would like a copy of the GPL
or other open source code in this Software on a CD, Linksys will mail to You a CD with such code for $9.99 plus the cost of
shipping, upon request.
Term and Termination. You may terminate this License at any time by destroying all copies of the Software and
documentation. Your rights under this License will terminate immediately without notice from Linksys if You fail to comply
with any provision of this Agreement.
Limited Warranty. The warranty terms and period specified in the applicable Linksys Product User Guide shall also apply
to the Software.
Disclaimer of Liabilities. IN NO EVENT WILL LINKSYS OR ITS SUPPLIERS BE LIABLE FOR ANY LOST DATA, REVENUE OR
PROFIT, OR FOR SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, REGARDLESS OF CAUSE
(INCLUDING NEGLIGENCE), ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE SOFTWARE, EVEN IF
LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT WILL LINKSYS’ LIABILITY EXCEED THE
AMOUNT PAID BY YOU FOR THE PRODUCT. The foregoing limitations will apply even if any warranty or remedy under this
Agreement fails of its essential purpose. Some jurisdictions do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation or exclusion may not apply to You.
Export. Software, including technical data, may be subject to U.S. export control laws and regulations and/or export or
import regulations in other countries. You agree to comply strictly with all such laws and regulations.
U.S. Government Users. The Software and documentation qualify as “commercial items” as defined at 48 C.F.R. 2.101
and 48 C.F.R. 12.212. All Government users acquire the Software and documentation with only those rights herein that
apply to non-governmental customers.
General Terms. This Agreement will be governed by and construed in accordance with the laws of the State of California,
without reference to conflict of laws principles. The United Nations Convention on Contracts for the International Sale of
Goods will not apply. If any portion of this Agreement is found to be void or unenforceable, the remaining provisions will
remain in full force and effect. This Agreement constitutes the entire agreement between the parties with respect to the
Software and supersedes any conflicting or additional terms contained in any purchase order or elsewhere.
Appendix J: Software License Agreement
Schedule 1 - Linksys Software License Agreement
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END OF SCHEDULE 1
Schedule 2
If this Linksys product contains open source software licensed under Version 2 of the “GNU General Public License” then
the license terms below in this Schedule 2 will apply to that open source software. The license terms below in this
Schedule 2 are from the public web site at http://www.gnu.org/copyleft/gpl.html
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright © 1989, 1991 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU
General Public License is intended to guarantee your freedom to share and change free software–to make sure the
software is free for all its users. This General Public License applies to most of the Free Software Foundation’s software
and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make
sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you
receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs;
and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender
the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you
modify it.
For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the
rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these
terms so they know their rights.
Appendix J: Software License Agreement
Schedule 2
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We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal
permission to copy, distribute and/or modify the software.
Also, for each author’s protection and ours, we want to make certain that everyone understands that there is no warranty
for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what
they have is not the original, so that any problems introduced by others will not reflect on the original authors’ reputations.
Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a
free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have
made it clear that any patent must be licensed for everyone’s free use or not licensed at all.
The precise terms and conditions for copying, distribution and modification follow.
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be
distributed under the terms of this General Public License. The “Program”, below, refers to any such program or work, and
a “work based on the Program” means either the Program or any derivative work under copyright law: that is to say, a
work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in the term “modification”.) Each licensee is addressed as
“you”.
Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The
act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a
work based on the Program (independent of having been made by running the Program). Whether that is true depends on
what the Program does.
You may copy and distribute verbatim copies of the Program’s source code as you receive it, in any medium, provided that
you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty;
keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the
Program a copy of this License along with the Program.
You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in
exchange for a fee.
You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and
copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these
conditions:
Appendix J: Software License Agreement
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You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change.
You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or
any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License.
If the modified program normally reads commands interactively when run, you must cause it, when started running for
such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright
notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute
the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program
itself is interactive but does not normally print such an announcement, your work based on the Program is not required to
print an announcement.)
These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the
Program, and can be reasonably considered independent and separate works in themselves, then this License, and its
terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same
sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless
of who wrote it.
Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the
intent is to exercise the right to control the distribution of derivative or collective works based on the Program.
In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the
Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.
You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under
the terms of Sections 1 and 2 above provided that you also do one of the following:
Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms
of Sections 1 and 2 above on a medium customarily used for software interchange; or,
Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost
of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or,
Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you received the program in object code or executable form with
such an offer, in accord with Subsection b above.)
Appendix J: Software License Agreement
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The source code for a work means the preferred form of the work for making modifications to it. For an executable work,
complete source code means all the source code for all modules it contains, plus any associated interface definition files,
plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source
code distributed need not include anything that is normally distributed (in either source or binary form) with the major
components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering access to copy from a designated place, then offering
equivalent access to copy the source code from the same place counts as distribution of the source code, even though
third parties are not compelled to copy the source along with the object code.
You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any
attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your
rights under this License. However, parties who have received copies, or rights, from you under this License will not have
their licenses terminated so long as such parties remain in full compliance.
You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to
modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this
License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your
acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or
works based on it.
Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license
from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not
impose any further restrictions on the recipients’ exercise of the rights granted herein. You are not responsible for
enforcing compliance by third parties to this License.
If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent
issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of
this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy
simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may
not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the
Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and
this License would be to refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section
is intended to apply and the section as a whole is intended to apply in other circumstances.
Appendix J: Software License Agreement
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It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity
of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system,
which is implemented by public license practices. Many people have made generous contributions to the wide range of
software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to
decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice.
This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.
If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces,
the original copyright holder who places the Program under this License may add an explicit geographical distribution
limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such
case, this License incorporates the limitation as if written in the body of this License.
The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time.
Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or
concerns.
Each version is given a distinguishing version number. If the Program specifies a version number of this License which
applies to it and “any later version”, you have the option of following the terms and conditions either of that version or of
any later version published by the Free Software Foundation. If the Program does not specify a version number of this
License, you may choose any version ever published by the Free Software Foundation.
If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write
to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free
Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving
the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally.
NO WARRANTY
BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT
PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER
PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY
OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR
DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE
Appendix J: Software License Agreement
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OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
END OF SCHEDULE 2
Schedule 3
If this Linksys product contains open source software licensed under Version 2.1 of the “GNU Lesser General Public
License” then the license terms below in this Schedule 3 will apply to that open source software. The license terms below
in this Schedule 3 are from the public web site at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts as the successor of the GNU Library Public License,
version 2, hence the version number 2.1.]
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU
General Public Licenses are intended to guarantee your freedom to share and change free software—to make sure the
software is free for all its users.
This license, the Lesser General Public License, applies to some specially designated software packages—typically
libraries—of the Free Software Foundation and other authors who decide to use it. You can use it too, but we suggest you
first think carefully about whether this license or the ordinary General Public License is the better strategy to use in any
particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use, not price. Our General Public Licenses are designed to
make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish); that you
Appendix J: Software License Agreement
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receive source code or can get it if you want it; that you can change the software and use pieces of it in new free
programs; and that you are informed that you can do these things.
To protect your rights, we need to make restrictions that forbid distributors to deny you these rights or to ask you to
surrender these rights. These restrictions translate to certain responsibilities for you if you distribute copies of the library
or if you modify it.
For example, if you distribute copies of the library, whether gratis or for a fee, you must give the recipients all the rights
that we gave you. You must make sure that they, too, receive or can get the source code. If you link other code with the
library, you must provide complete object files to the recipients, so that they can relink them with the library after making
changes to the library and recompiling it. And you must show them these terms so they know their rights.
We protect your rights with a two-step method: (1) we copyright the library, and (2) we offer you this license, which gives
you legal permission to copy, distribute and/or modify the library.
To protect each distributor, we want to make it very clear that there is no warranty for the free library. Also, if the library is
modified by someone else and passed on, the recipients should know that what they have is not the original version, so
that the original author’s reputation will not be affected by problems that might be introduced by others.
Finally, software patents pose a constant threat to the existence of any free program. We wish to make sure that a
company cannot effectively restrict the users of a free program by obtaining a restrictive license from a patent holder.
Therefore, we insist that any patent license obtained for a version of the library must be consistent with the full freedom of
use specified in this license.
Most GNU software, including some libraries, is covered by the ordinary GNU General Public License. This license, the GNU
Lesser General Public License, applies to certain designated libraries, and is quite different from the ordinary General
Public License. We use this license for certain libraries in order to permit linking those libraries into non-free programs.
When a program is linked with a library, whether statically or using a shared library, the combination of the two is legally
speaking a combined work, a derivative of the original library. The ordinary General Public License therefore permits such
linking only if the entire combination fits its criteria of freedom. The Lesser General Public License permits more lax criteria
for linking other code with the library.
We call this license the “Lesser” General Public License because it does Less to protect the user’s freedom than the
ordinary General Public License. It also provides other free software developers Less of an advantage over competing nonfree programs. These disadvantages are the reason we use the ordinary General Public License for many libraries.
However, the Lesser license provides advantages in certain special circumstances.
For example, on rare occasions, there may be a special need to encourage the widest possible use of a certain library, so
that it becomes a de-facto standard. To achieve this, non-free programs must be allowed to use the library. A more
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frequent case is that a free library does the same job as widely used non-free libraries. In this case, there is little to gain by
limiting the free library to free software only, so we use the Lesser General Public License.
In other cases, permission to use a particular library in non-free programs enables a greater number of people to use a
large body of free software. For example, permission to use the GNU C Library in non-free programs enables many more
people to use the whole GNU operating system, as well as its variant, the GNU/Linux operating system.
Although the Lesser General Public License is Less protective of the users’ freedom, it does ensure that the user of a
program that is linked with the Library has the freedom and the wherewithal to run that program using a modified version
of the Library.
The precise terms and conditions for copying, distribution and modification follow. Pay close attention to the difference
between a “work based on the library” and a “work that uses the library”. The former contains code derived from the
library, whereas the latter must be combined with the library in order to run.
GNU LESSER GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
This License Agreement applies to any software library or other program which contains a notice placed by the copyright
holder or other authorized party saying it may be distributed under the terms of this Lesser General Public License (also
called “this License”). Each licensee is addressed as “you”.
A “library” means a collection of software functions and/or data prepared so as to be conveniently linked with application
programs (which use some of those functions and data) to form executables.
The “Library”, below, refers to any such software library or work which has been distributed under these terms. A “work
based on the Library” means either the Library or any derivative work under copyright law: that is to say, a work containing
the Library or a portion of it, either verbatim or with modifications and/or translated straightforwardly into another
language. (Hereinafter, translation is included without limitation in the term “modification”.)
“Source code” for a work means the preferred form of the work for making modifications to it. For a library, complete
source code means all the source code for all modules it contains, plus any associated interface definition files, plus the
scripts used to control compilation and installation of the library.
Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The
act of running a program using the Library is not restricted, and output from such a program is covered only if its contents
constitute a work based on the Library (independent of the use of the Library in a tool for writing it). Whether that is true
depends on what the Library does and what the program that uses the Library does.
Appendix J: Software License Agreement
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You may copy and distribute verbatim copies of the Library’s complete source code as you receive it, in any medium,
provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of
warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and distribute a copy of
this License along with the Library.
You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in
exchange for a fee.
You may modify your copy or copies of the Library or any portion of it, thus forming a work based on the Library, and copy
and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these
conditions:
The modified work must itself be a software library.
You must cause the files modified to carry prominent notices stating that you changed the files and the date of any change.
You must cause the whole of the work to be licensed at no charge to all third parties under the terms of this License.
If a facility in the modified Library refers to a function or a table of data to be supplied by an application program that uses
the facility, other than as an argument passed when the facility is invoked, then you must make a good faith effort to
ensure that, in the event an application does not supply such function or table, the facility still operates, and performs
whatever part of its purpose remains meaningful.
(For example, a function in a library to compute square roots has a purpose that is entirely well-defined independent of the
application. Therefore, Subsection 2d requires that any application-supplied function or table used by this function must be
optional: if the application does not supply it, the square root function must still compute square roots.)
These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the
Library, and can be reasonably considered independent and separate works in themselves, then this License, and its
terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same
sections as part of a whole which is a work based on the Library, the distribution of the whole must be on the terms of this
License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of
who wrote it.
Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the
intent is to exercise the right to control the distribution of derivative or collective works based on the Library.
In addition, mere aggregation of another work not based on the Library with the Library (or with a work based on the
Library) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.
You may opt to apply the terms of the ordinary GNU General Public License instead of this License to a given copy of the
Library. To do this, you must alter all the notices that refer to this License, so that they refer to the ordinary GNU General
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Public License, version 2, instead of to this License. (If a newer version than version 2 of the ordinary GNU General Public
License has appeared, then you can specify that version instead if you wish.) Do not make any other change in these
notices.
Once this change is made in a given copy, it is irreversible for that copy, so the ordinary GNU General Public License applies
to all subsequent copies and derivative works made from that copy.
This option is useful when you wish to copy part of the code of the Library into a program that is not a library.
You may copy and distribute the Library (or a portion or derivative of it, under Section 2) in object code or executable form
under the terms of Sections 1 and 2 above provided that you accompany it with the complete corresponding machinereadable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used
for software interchange.
If distribution of object code is made by offering access to copy from a designated place, then offering equivalent access to
copy the source code from the same place satisfies the requirement to distribute the source code, even though third
parties are not compelled to copy the source along with the object code.
A program that contains no derivative of any portion of the Library, but is designed to work with the Library by being
compiled or linked with it, is called a “work that uses the Library”. Such a work, in isolation, is not a derivative work of the
Library, and therefore falls outside the scope of this License.
However, linking a “work that uses the Library” with the Library creates an executable that is a derivative of the Library
(because it contains portions of the Library), rather than a “work that uses the library”. The executable is therefore covered
by this License. Section 6 states terms for distribution of such executables.
When a “work that uses the Library” uses material from a header file that is part of the Library, the object code for the
work may be a derivative work of the Library even though the source code is not. Whether this is true is especially
significant if the work can be linked without the Library, or if the work is itself a library. The threshold for this to be true is
not precisely defined by law.
If such an object file uses only numerical parameters, data structure layouts and accessors, and small macros and small
inline functions (ten lines or less in length), then the use of the object file is unrestricted, regardless of whether it is legally
a derivative work. (Executables containing this object code plus portions of the Library will still fall under Section 6.)
Otherwise, if the work is a derivative of the Library, you may distribute the object code for the work under the terms of
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Library itself.
As an exception to the Sections above, you may also combine or link a “work that uses the Library” with the Library to
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Appendix J: Software License Agreement
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terms permit modification of the work for the customer’s own use and reverse engineering for debugging such
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Use a suitable shared library mechanism for linking with the Library. A suitable mechanism is one that (1) uses at run time
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You may place library facilities that are a work based on the Library side-by-side in a single library together with other
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two things:
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Accompany the combined library with a copy of the same work based on the Library, uncombined with any other library
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Give prominent notice with the combined library of the fact that part of it is a work based on the Library, and explaining
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It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity
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This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.
Appendix J: Software License Agreement
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If the distribution and/or use of the Library is restricted in certain countries either by patents or by copyrighted interfaces,
the original copyright holder who places the Library under this License may add an explicit geographical distribution
limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such
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Each version is given a distinguishing version number. If the Library specifies a version number of this License which
applies to it and “any later version”, you have the option of following the terms and conditions either of that version or of
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NO WARRANTY
BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE LIBRARY, TO THE EXTENT
PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER
PARTIES PROVIDE THE LIBRARY “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE
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Appendix J: Software License Agreement
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END OF TERMS AND CONDITIONS
END OF SCHEDULE 3
Schedule 4
If this Linksys product contains open source software licensed under the OpenSSL license:
This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit.
(http://www.openssl.org/).
This product includes cryptographic software written by Eric Young (eay@cryptsoft.com).
This product includes software written by Tim Hudson (tjh@cryptsoft.com).
In addition, if this Linksys product contains open source software licensed under the OpenSSL license then the license
terms below in this Schedule 3 will apply to that open source software. The license terms below in this Schedule 3 are
from the public web site at
http://www.openssl.org/source/license.html.
The OpenSSL toolkit stays under a dual license, i.e. both the conditions of the OpenSSL License and the original SSLeay
license apply to the toolkit. See below for the actual license texts. Actually both licenses are BSD-style Open Source
licenses. In case of any license issues related to OpenSSL please contact openssl-core@openssl.org.
OpenSSL License
Copyright © 1998-2007 The OpenSSL Project. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
conditions are met:
Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the distribution.
All advertising materials mentioning features or use of this software must display the following acknowledgment: “This
product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. (http://www.openssl.org/)”
The names “OpenSSL Toolkit” and “OpenSSL Project” must not be used to endorse or promote products derived from this
software without prior written permission. For written permission, please contact openssl-core@openssl.org.
Appendix J: Software License Agreement
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Products derived from this software may not be called “OpenSSL” nor may “OpenSSL” appear in their names without prior
written permission of the OpenSSL Project.
Redistributions of any form whatsoever must retain the following acknowledgment: “This product includes software
developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.openssl.org/)”
THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT “AS IS” AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
This product includes cryptographic software written by Eric Young (eay@cryptsoft.com). This product includes software
written by Tim Hudson (tjh@cryptsoft.com).
Original SSLeay License
Copyright © 1995-1998 Eric Young (eay@cryptsoft.com)All rights reserved.
This package is an SSL implementation written by Eric Young (eay@cryptsoft.com).
The implementation was written so as to conform with Netscape’s SSL.
This library is free for commercial and non-commercial use as long as the following conditions are adhered to. The
following conditions apply to all code found in this distribution, be it the RC4, RSA, lhash, DES, etc., code; not just the SSL
code. The SSL documentation included with this distribution is covered by the same copyright terms except that the holder
is Tim Hudson (tjh@cryptsoft.com).
Copyright remains Eric Young’s, and as such any Copyright notices in the code are not to be removed.
If this package is used in a product, Eric Young should be given attribution as the author of the parts of the library used.
This can be in the form of a textual message at program startup or in documentation (online or textual) provided with the
package.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
conditions are met:
Redistributions of source code must retain the copyright notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the distribution.
All advertising materials mentioning features or use of this software must display the following acknowledgement:
“This product includes cryptographic software written by Eric Young (eay@cryptsoft.com)”
The word ‘cryptographic’ can be left out if the routines from the library being used are not cryptographic related.
If you include any Windows specific code (or a derivative thereof) from the apps directory (application code) you must
include an acknowledgement: “This product includes software written by Tim Hudson (tjh@cryptsoft.com)”
THIS SOFTWARE IS PROVIDED BY ERIC YOUNG “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
The license and distribution terms for any publicly available version or derivative of this code cannot be changed. i.e. this
code cannot simply be copied and put under another distribution license [including the GNU Public License.]
END OF SCHEDULE 4
Appendix J: Software License Agreement
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Appendix K: Contact Information
Need to contact Linksys?
Visit us online for information on the latest products and updates
to your existing products at:
http://www.linksys.com or
ftp.linksys.com
Can't find information about a product you want to buy
on the web? Do you want to know more about networking
with Linksys products? Give our advice line a call at:
Or fax your request in to:
800-546-5797 (LINKSYS)
949-823-3002
If you experience problems with any Linksys product,
you can call us at:
Don't wish to call? You can e-mail us at:
800-326-7114
support@linksys.com
If any Linksys product proves defective during its warranty period,
you can call the Linksys Return Merchandise Authorization
department for obtaining a Return Authorization Number at:
(Details on Warranty and RMA issues can be found in the Warranty
Information section in this Guide.)
949-823-3000
100
Appendix K: Contact Information
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