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Linksys WRT120N Router Manual PDF (Setup & Configuration Guide)

Given below is full router user manual of Linksys WRT120N router model. You can also download this manual in PDF Format to read later on your computer.

Product user manuals come handy in case you want to know all functionalities of your device, troubleshooting, fist time configuration & setup and in many other situations.

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USER GUIDE
Wireless-N Home Router
Model:
WRT120N
Page 2 / 55
About This Guide
i
Wireless-N Home Router
About This Guide
Icon Descriptions
While reading through the User Guide you may see
various icons that call attention to specific items. Below is
a description of these icons:
NOTE:
This check mark indicates that there is
a note of interest and is something that you
should pay special attention to while using the
product.
WARNING:
This exclamation point indicates
that there is a caution or warning and it is
something that could damage your property or
product.
WEB:
This globe icon indicates a noteworthy
website address or e-mail address.
Online Resources
Website addresses in this document are listed without
http://
in front of the address because most current web
browsers do not require it. If you use an older web browser,
you may have to add
http://
in front of the web address.
Resource
Website
Linksys
www.linksysbycisco.com
Linksys
International
www.linksysbycisco.com/international
Glossary
www.linksysbycisco.com/glossary
Network Security
www.linksysbycisco.com/security
Copyright and Trademarks
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. Other
brands and product names are trademarks
or registered trademarks of their respective
holders. Copyright © 2009 Cisco Systems,
Inc. All rights reserved.
Page 3 / 55
Table of Contents
ii
Wireless-N Home Router
Chapter 1: Product Overview
1
Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Chapter 2: Wireless Security Checklist
3
General Network Security Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Additional Security Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 3: Advanced Configuration
4
Setup > Basic Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Setup > DDNS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Setup > MAC Address Clone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Setup > Advanced Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Wireless > Basic Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Wireless > Wireless Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Wireless > Wireless MAC Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Wireless > Advanced Wireless Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Security > Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Security > VPN Passthrough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Access Restrictions > Internet Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Applications and Gaming > Single Port Forwarding. . . . . . . . . . . . . . . . . . . . . . . .19
Applications and Gaming > Port Range Forwarding . . . . . . . . . . . . . . . . . . . . . . .19
Applications & Gaming > Port Range Triggering .
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Applications and Gaming > DMZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Applications and Gaming > QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Administration > Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Administration > Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Administration > Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Administration > Factory Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Administration > Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Status > Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Status > Local Network .
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Status > Wireless Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Appendix A: Troubleshooting
28
Appendix B: Specifications
29
Appendix C: Warranty Information
30
Limited Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Page 4 / 55
Table of Contents
iii
Wireless-N Home Router
Appendix D: Regulatory Information
32
FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
FCC Radiation Exposure Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Safety Notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Industry Canada Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Avis d’Industrie Canada. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Wireless Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Avis de non-responsabilité concernant les appareils sans fil . . . . . . . . . . . . . . . . . .33
User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste
Electric and Electronic Equipment (WEEE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Appendix E: Software End User License Agreement
38
Cisco Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Software Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Page 5 / 55
Chapter 1
Product Overview
1
Wireless-N Home Router
Chapter 1:
Product Overview
Thank you for choosing the Linksys by Cisco Wireless-N
Home Router. The Router lets you access the Internet via
a wireless connection or through one of its four switched
ports. You can also use the Router to share resources
such as computers, printers and files. A variety of security
features help to protect your data and your privacy
while you are online. Security features include WPA2
security, a Stateful Packet Inspection (SPI) firewall, and
NAT technology. Configuring the Router is easy using the
provided browser–based utility.
Front Panel
1,
2,
3,
4
(Blue) 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.
Wi-Fi Protected Setup Button
If you have
client devices, such as wireless adapters, that
support Wi-Fi Protected Setup, then you can
use Wi-Fi Protected Setup to automatically
configure wireless security for your wireless
network.
To use Wi-Fi Protected Setup, run the Setup
Wizard, or refer to
Wi-Fi Protected Setup
,
page
11
.
Wi-Fi
Protected
Setup
LED
(Blue/
Amber) The LED lights up blue when wireless
security is enabled. It flashes blue for two
minutes
during
Wi-Fi
Protected
Setup.
The LED lights up amber if there is an error
during the Wi-Fi Protected Setup process. Make
sure the client device supports Wi-Fi Protected
Setup. Wait until the LED is off, and then try again.
The LED flashes when a Wi-Fi Protected Setup
session is active. The Router supports one
session at a time. Wait until the LED is solidly lit,
or off before starting the next Wi-Fi Protected
Setup session.
Wireless
(Blue) The Wireless LED lights up
when the wireless feature is enabled. If the LED
is flashing, the Router is sending or receiving
data over the network.
Internet
(Blue) The Internet LED lights up
when there is a connection made through the
Internet port. It flashes to indicate network
activity over the Internet port.
Power
(Blue) 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.
Back Panel
Internet
The Internet port is where you will
connect your cable or DSL Internet connection.
4, 3, 2, 1
These Ethernet ports (4, 3, 2, 1)
connect the Router to computers on your wired
network and other Ethernet network devices.
Reset
The Reset button is located on the
right side of the product label. There are two
ways to reset the Router to its factory defaults.
Either press and hold the Reset button for
approximately five seconds, or restore the
defaults
from
the
Administration >
Factory
Defaults
screen of the Router’s browser-based
utility.
Power
The Power port connects to the included
power adapter.
Horizontal Placement
The Router has four rubber feet on its bottom panel. Place
the Router on a level surface near an electrical outlet.

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