LINKSYS WRT54AG Users Manual
Dual-Band Wireless A/G
Broadband Router
Use this guide to install: WRT54AG
User Guide
FCC Caution: Any change or modification to the product not expressly approved by
Linksys could void the user's authority to operate the device.
FCC RF Radiation Exposure Statement
To comply with the FCC and ANSI C95.1 RF exposure limits, the antenna(s) for this
device must comply with the following:
• Access points with 2.4 GHz integrated antenna must operate with a separation distance of at least 20 cm from all persons using the cable provided and must not be
co-located or operating in conjunction with any other antenna or transmitter.
End-users must be provided with specific operations for satisfying RF exposure compliance.
Note: Dual antennas used for diversity operation are not considered co-located.
Canadian Department of Communications Industry Canada (IC) Notice
This Class B digital apparatus complies with Canadian ICES-003 and RSS-210.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 et CNR-210
du Canada.
"To prevent radio interference to the licensed service, this device is intended to be operated indoors and away from windows to provide maximum shielding. Equipment (or its
transmit antenna) that is installed outdoors is subject to licensing."
" Pour empêcher que cet appareil cause du brouillage au service faisant l'objet d'une
licence, il doit être utilisé à l'intérieur et devrait être placé loin des fenêtres afin de fournir
un écran de blindage maximal. Si le matériel (ou son antenne d'émission) est installé à
l'extérieur, il doit faire l'objet d'une licence. "
EC DECLARATION OF CONFORMITY (EUROPE)
Linksys Group declares that the product included conforms to the specifications listed
below, following the provisions of the European R&TTE directive 1999/5/EC, EMC directive 89/336/EEC, and Low Voltage directive 73/23/EEC:
For 11Mbps, 2.4 GHz access points with 100 mW radios, the following standards were
applied:
• EMC: EN 301 489-1, EN 301.89-17
• Safety: EN 60950
• Radio: ETS 300-328-2 Technical requirements for Radio equipment.
Caution: This equipment is intended to be used in all EU and EFTA countries. Outdoor
use may be restricted to certain frequencies and/or may require a license for operation.
Contact local Authority for procedure to follow.
Note: Combinations of power levels and antennas resulting in a radiated power level of
above 100 mW equivalent isotropic radiated power (EIRP) are considered as not compliant with the above mentioned directive and are not allowed for use within the European
community and countries that have adopted the European R&TTE directive 1999/5/EC
and/or the CEPT recommendation Rec 70.03.
For more details on legal combinations of power levels and antennas, contact Linksys
Corporate Compliance.
COPYRIGHT & TRADEMARKS
Specifications are subject to change without notice. Copyright © 2004 Linksys, All Rights
Reserved. Linksys and the Linksys logo are registered trademarks of Linksys Group, Inc.
Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft
Corporation. All other trademarks and brand names are the property of their respective
proprietors.
LIMITED WARRANTY
Linksys guarantees that every Dual-Band Wireless A/G Broadband Router will be free
from physical defects in material and workmanship for three years from the date of purchase, when used within the limits set forth in the Specifications section of this User
Guide.
If the product proves defective during this warranty period, go to the Linksys website at
www.linksys.com
for complete RMA (Return Merchandise Authorization) assistance. You
can also call Linksys Technical Support in order to obtain a RMA Number. BE SURE TO
HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT’S PACKAGING ON HAND WHEN CALLING. RETURN REQUESTS CANNOT BE PROCESSED
WITHOUT PROOF OF PURCHASE. When returning a product, mark the RMA Number
clearly on the outside of the package and include a copy of your original proof of purchase. All customers located outside of the United States of America and Canada shall
be held responsible for shipping and handling charges.
IN NO EVENT SHALL LINKSYS'S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFTWARE, OR ITS DOCUMENTATION. LINKSYS OFFERS NO REFUNDS FOR ITS PRODUCTS. Linksys makes no warranty or representation, expressed, implied, or statutory,
with respect to its products or the contents or use of this documentation and all accompanying software, and specifically disclaims its quality, performance, merchantability, or
fitness for any particular purpose. Linksys reserves the right to revise or update its products, software, or documentation without obligation to notify any individual or entity.
Please direct all inquiries to:
Linksys P.O. Box 18558, Irvine, CA 92623.
SAFETY AND REGULATORY NOTICES
FCC STATEMENT
The Dual-Band Wireless A/G Broadband Router has been tested and found to comply
with the specifications for a Class B digital device, pursuant to 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.
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
• I
ncrease 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
Dual-Band Wireless A/G Broadband Router
Table of Contents
Chapter 1: Introduction 1
The Dual-Band Wireless A/G Broadband Router 1
Features 2
The Router’s Functions 2
IP Addresses 3
Router Setup Overview 4
Chapter 2: Getting to Know the Dual-Band
Wireless A/G Broadband Router 6
The Router’s Back Panel 6
The Router’s Front Panel LEDs 7
Chapter 3: Connect the Router 10
Overview 10
Wired Connection to a PC 10
Wireless Connection to a PC 12
Chapter 4: Configure the PCs 13
Overview 13
Configuring Windows 98 and Millennium PCs 14
Configuring Windows 2000 PCs 16
Configuring Windows XP PCs 18
Chapter 5: Configure the Router’s Basic Settings 20
Chapter 6: The Router’s Web-based Utility 25
Overview 25
How to Access the Web-based Utility 25
Setup 26
Security 37
System 39
DHCP 44
SNMP 46
Status 47
Help 50
Advanced Tabs 51
Advanced Wireless 52
Filters 54
Port Forwarding 57
Routing 60
• Linksys Group vakuuttaa täten Dual-Band Wireless A/G Broadband Router tyyp-
pinen laite on direktiivin 1999/5/EY, direktiivin 89/336/EEC ja direktiivin 73/23/EEC
oleellisten vaatimusten ja sitä koskevien näiden direktiivien muiden ehtojen
mukainen.
• Linksys Group déclare que la Dual-Band Wireless A/G Broadband Router est con-
forme aux conditions essentielles et aux dispositions relatives à la directive
1999/5/EC, la directive 89/336/EEC, et à la directive 73/23/EEC.
• Belgique B L'utilisation en extérieur est autorisé sur le canal 11 (2462 MHz), 12 (2467
MHz), et 13 (2472 MHz). Dans le cas d'une utilisation privée, à l'extérieur d'un bâtiment, au-dessus d'un espace public, aucun enregistrement n'est nécessaire pour
une distance de moins de 300m. Pour une distance supérieure à 300m un enregistrement auprès de l'IBPT est requise. Pour une utilisation publique à l'extérieur de
bâtiments, une licence de l'IBPT est requise. Pour les enregistrements et licences,
veuillez contacter l'IBPT.
• France F:
2.4 GHz Bande : les canaux 10, 11, 12, 13 (2457, 2462, 2467, et 2472 MHz respectivement) sont complétement libres d'utilisation en France (en utilisation intérieur).
Pour ce qui est des autres canaux, ils peuvent être soumis à autorisation selon le
départment. L'utilisation en extérieur est soumis à autorisation préalable et très
restreint.
Vous pouvez contacter l'Autorité de Régulation des Télécommunications
(http://www.art-telecom.fr) pour de plus amples renseignements.
2.4 GHz Band: only channels 10, 11, 12, 13 (2457, 2462, 2467, and 2472 MHz
respectively) may be used freely in France for indoor use. License required for outdoor installations.
Please contact ART (http://www.art-telecom.fr) for procedure to follow.
• Deutschland D: Anmeldung im Outdoor-Bereich notwending, aber nicht genehmi-
gungspflichtig. Bitte mit Händler die Vorgehensweise abstimmen.
• Germany D: License required for outdoor installations. Check with reseller for proce-
dure to follow.
• Italia I: E' necessaria la concessione ministeriale anche per l'uso interno. Verificare
con i rivenditori la procedura da seguire. L'uso per installazione in esterni non e' permessa.
• Italy I: License required for indoor use. Use with outdoor installations not allowed.
• The Netherlands NL License required for outdoor installations. Check with reseller for
procedure to follow.
• Nederlands NL Licentie verplicht voor gebruik met buitenantennes. Neem contact op
met verkoper voor juiste procedure.
WRT54AG-UG-40227NC KL
Dual-Band Wireless A/G Broadband Router
Chapter 1: Introduction
The Dual-Band Wireless A/G Broadband Router is like four devices in one
box! The Router function lets you securely share one high-speed Internet connection among your entire network, while the 4-port full duplex 10/100 Switch
jump-starts your wired-Ethernet network. Connect four PCs directly, or daisychain out to more hubs and switches to create as big a network as you need.
The Dual-Band Wireless A/G Broadband Router also contains two Wireless
Access Points, supporting all three wireless networking specifications. The
first Access Point uses the 2.4GHz radio band, supporting both the popular and
inexpensive Wireless-B (802.11b) standard at 11Mbps, and the new, almost
five times faster, Wireless-G (802.11g) at 54Mbps. The second Access Point
radio operates in the 5GHz band, and supports Wireless-A (802.11a) networking, also at 54Mbps. Since the two radios operate in different bands, they can
work simultaneously, blanketing your wireless zone with bandwidth.
To protect your data and privacy, the Dual-Band Wireless A/G Broadband
Router can encrypt all wireless transmissions. The MAC Address filter lets
you decide exactly who has access to your wireless network. The Router also
serves as a DHCP Server, has NAT technology to protect against Internet
intruders, DMZ capability, supports VPN pass-through, and can be configured
to filter internal users' access to the Internet. Configuration is a snap with the
web browser-based configuration utility.
With the Linksys Dual-Band Wireless A/G Broadband Router at the center of
your home or office network, you can share a high-speed Internet connection,
files, printers, and multi-player games with the flexibility, speed, and security
you need!
Appendix A: Troubleshooting 63
Common Problems and Solutions 63
Frequently Asked Questions 64
Appendix B: How to Ping Your ISP’s E-mail &
Web Addresses 82
Appendix C: Configuring Wireless Security 85
Appendix D: Finding the MAC Address and IP
Address for Your Ethernet Adapter 88
Appendix E: Glossary 91
Appendix F: Specifications 108
Environmental 109
Appendix G: Warranty Information 110
Appendix H: Contact Information 111
1
The Dual-Band Wireless A/G Broadband Router
Dual-Band Wireless A/G Broadband Router
What’s an IP Address?
IP stands for Internet Protocol. Every device on an IP-based network, including PCs, print servers, and routers, requires an IP address to identify its “location,” or address, on the network. This applies to both the Internet and LAN
connections. There are two ways of assigning an IP address to your network
devices. You can assign static IP addresses or use the Router to assign IP
addresses dynamically.
Static IP Addresses
A static IP address is a fixed IP address that you assign manually to a PC or
other device on the network. Since a static IP address remains valid until you
disable it, static IP addressing ensures that the device assigned it will always
have that same IP address until you change it. Static IP addresses must be
unique and are commonly used with network devices such as server PCs or
print servers.
If you use the Router to share your cable or DSL Internet connection, contact
your ISP to find out if they have assigned a static IP address to your account.
If so, you will need that static IP address when configuring the Router. You can
get that information from your ISP.
IP Addresses
Note: Since the Router is a device that connects two networks, it
needs two IP addresses—one for the LAN, and one for the Internet. In
this User Guide, you’ll see references to the “Internet IP address” and
the “LAN IP address.”
Since the Router uses NAT technology, the only IP address that can be
seen from the Internet for your network is the Router’s Internet IP
address.
However, even this Internet IP address can be blocked, so that the
Router and network seem invisible to the Internet—see the Block
WAN Requests description under Filters in “Chapter 6: The Router’s
Web-based Utility.”
32
• Compatibility with 802.11g (2.4GHz) and 802.11b (2.4GHz) Standards
• Setup Wizard for Easy Installation
• Wireless Security with up to 152-bit WEP Encryption
• Enhanced Security Management Functions: Internet Access Policies with
Time Schedules, Website Blocking, IP and MAC Address Filtering; Port
Filtering; Wireless MAC Address Filtering; and NAT Technology
• Access Your Corporate Network Remotely through Virtual Private
Networking (VPN)—Supports IPSec and PPTP Pass-Through
• Supports Dynamic Domain Name System (DDNS) Service, Static and
Dynamic Routing (RIP1 and 2), DMZ Hosting
• Web-based Utility for Easy Configuration from Any Web Browser
• DHCP Server Capability to Assign IP Addresses Automatically
• All Ethernet Ports Support Auto-Crossover (MDI/MDI-X)—No Need for
Crossover Cables
• Free Technical Support—24 Hours a Day, 7 Days a Week, Toll-Free US Calls
• 1-Year Limited Warranty
Simply put, a router is a network device that connects two networks together.
In this instance, the Router connects your Local Area Network (LAN), or the
group of PCs in your home or office, to the Internet. The Router processes and
regulates the data that travels between these two networks.
The Router’s NAT feature protects your network of PCs so users on the public,
Internet side cannot “see” your PCs. This is how your network remains private.
The Router protects your network by inspecting every packet coming in
through the Internet port before delivery to the appropriate PC on your network. The Router inspects Internet port services like the web server, ftp server,
or other Internet applications, and, if allowed, it will forward the packet to the
appropriate PC on the LAN side.
Remember that the Router’s ports connect to two sides. The LAN ports connect
to the LAN, and the Internet port connects to the Internet. The LAN and
Internet ports transmit data at 10/100Mbps.
The Router’s Functions
Features
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