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Broadband Router
Figure 5-22: Service Management
21
Figure 5-23: Advanced Setup Tab - UPnP
21
Figure 5-24: Advanced Setup Tab - DDNS
22
Figure 5-25: Advanced Setup Tab - Advanced Routing
22
Figure 5-26: Advanced Setup Tab - VPN Pass Through
24
Figure 5-27: Advanced Setup Tab - Remote Management
24
Figure 5-28: Advanced Setup Tab - System Management
25
Figure 5-29: Log Tab - System Log
27
Figure 5-30: Log Tab - System Statistics
28
Figure B-1: Advanced Setup Tab - System Management
43
Figure C-1: IP Configuration Screen
44
Figure C-2: MAC Address/Adapter Address
44
Figure C-3: MAC Address/Physical Address
45
Figure C-4: MAC Address Clone
45
Figure D-1: The Utility’s Main Screen
46
Figure D-2: The Router Information Screen
47
Figure D-3: The On-Line Scheduler
48
Figure D-4: The Hit Rate Screen
48
Figure D-5: The Real Time Usage Screen
49
Figure D-6: The Hit Rate Screen
49
Figure D-7: The Performance Optimization Screen
50
Figure E-1: Basic Setup Tab - Network
51
Figure E-2: Enter Host and Domain Names
51
Figure E-3: Select WAN connection Type
52
Figure E-4: Obtain an IP automatically
52
Figure E-5: Static IP
53
Figure E-6: PPPoE
53
Figure E-7: Basic Setup Tab - Network
53
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1
Chapter 1: Introduction
Welcome
Broadband Router
Chapter 1: Introduction
Welcome
Thank you for choosing the Broadband Router. The Linksys Broadband Router with QoS is a kind of "splitter" for
your Internet connection.
Just connect your DSL or Cable Modem to the Router, and all the computers in your
home or office can share the Internet at the same time.
Use the built-in 4-port switch to attach four local PCs
directly, or daisy-chain out to more hubs and switches as your network grows.
It has Auto MDI/MDI-X cross-over
detection so you don't have to worry about the cable type.
The Router's QoS (Quality of Service) feature lets you define the amount of the available bandwidth for each of
the devices on your network.
This means that you can prioritize time-sensitive data like Voice Over IP phone calls
or streaming media ahead of less sensitive email and web surfing.
The dual Internet ports let you optionally
connect a second Internet line for additional bandwidth.
Of course, once your computers are connected to the Internet through the Router, they can communicate with
each other too, sharing resources and files.
All your computers can print on a shared printer connected
anywhere in the home.
And you can share all kinds of files between computers, like music, digital pictures, and
other documents.
In addition to this, you can control access to the Internet through the Router’s Parental Control features. This
allows you to set a schedule, see what websites and programs are being used, optimize performance, and block
those sites you don’t wish to be accessed.
This user guide will give you all the information you need to connect, set up, and configure your Router.
Ethernet:
a network protocol that specifies
how data is placed on and retrieved from a
common transmission medium.
bandwidth:
the transmission capacity
of a given device or network.
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 Internet.
DHCP
(
D
ynamic
H
ost
C
onfiguration
P
rotocol) : 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.
firewall:
a set of related programs located at a
network gateway server that protects the resources
of a network from users from other networks.
network:
a series of computers or devices
connected for the purpose of data sharing,
storage, and/or transmission between users.
router:
a networking device that
connects multiple networks together.
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2
Chapter 1: Introduction
What’s in this Guide?
Broadband Router
What’s in this Guide?
This user guide covers the steps for setting up and using the Broadband Router.
•
Chapter 1: Introduction
This chapter describes the Router’s applications and this User Guide.
•
Chapter 2: Networking Basics
This chapter describes the basics of networking.
•
Chapter 3: Getting to Know the Broadband Router
This chapter describes the physical features of the Router.
•
Chapter 4: Connecting the Broadband Router
This chapter instructs you on how to connect the Router to your network.
•
Chapter 5: Setting Up and Configuring the Router
This chapter explains how to use the Web-Based Utility to set up the Router and configure its settings.
•
Appendix A: Troubleshooting
This appendix describes some problems and solutions, as well as frequently asked questions, regarding the
Router’s installation and usage.
•
Appendix B: Upgrading Firmware
This appendix instructs you on how to upgrade the Router’s firmware if you should need to do so.
•
Appendix C: 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 Router’s MAC address cloning feature.
•
Appendix D: Using the RT042 Utility
This appendix describes the Router Utility that comes on the Router’s CD.
•
Appendix E: The Setup Wizard
This appendix describes the Setup Wizard included with the Web-based utility, for easy Internet set up.
•
Appendix F: Windows Help
This appendix describes how you can use Windows Help for instructions about networking, such as installing
the TCP/IP protocol.
•
Appendix G: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
adapter:
a device that adds network
functionality to your PC.
firmware:
the programming code that
runs a networking device.
IP
(
I
nternet
P
rotocol)
:
a protocol used
to send data over a network.
ip address:
the address used to identify a
computer or device on a network.
MAC
(
M
edia
A
ccess
C
ontrol)
Address
- The unique address
that a manufacturer assigns to each networking device.
TCP
(
T
ransmission
C
ontrol
P
rotocol): a network
protocol for transmitting data that requires
acknowledgement from the recipient of data sent.
TCP/IP
(
T
ransmission
C
ontrol
P
rotocol/
I
nternet
P
rotocol): a set of instructions PCs use to
communicate over a network.
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3
Chapter 1: Introduction
What’s in this Guide?
Broadband Router
•
Appendix H: Specifications
This appendix provides the Router’s technical specifications.
•
Appendix I: Warranty Information
This appendix contains the Router’s warranty information.
•
Appendix J: Regulatory Information
This appendix supplies the regulatory information regarding the Router.
•
Appendix K: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
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4
Chapter 2: Networking Basics
An Introduction to LANs
Broadband Router
Chapter 2: Networking Basics
An Introduction to LANs
A Router is a network device that connects two networks together.
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 Network Address Translation (NAT) technology protects your network of PCs so users on the Internet
cannot “see” your PCs. This is how your LAN remains private. The Router protects your network by inspecting the
first packet coming in through the Internet port before delivery to the final destination on one of the Ethernet
ports. 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.
The Use of IP Addresses
IP stands for Internet Protocol. Every device in 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 IP addresses to your network devices.
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 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 the information from your ISP.
A dynamic IP address is automatically assigned to a device on the network. These IP addresses are called
dynamic because they are only temporarily assigned to the PC or other device. After a certain time period, they
expire and may change. If a PC logs onto the network (or the Internet) and its dynamic IP address has expired, the
DHCP server will assign it a new dynamic IP address.
Dynamic IP address
: a temporary IP
address assigned by a DHCP server.
Static IP address
: a fixed address
assigned to a computer or device that
is connected to a network.
NAT (Network Address Translation)
:
NAT technology translates IP
addresses of a local area network to a
different IP address for the Internet.
DSL
(
D
igital
S
ubscriber
L
ine)
:
an always-on
broadband connection over traditional phone lines.
FTP
(
F
ile
T
ransfer
P
rotocol)
:
a protocol used
to transfer files over a TCP/IP network.
ISP
(
I
nternet
S
ervice
P
rovider)
:
a company that
provides access to the Internet.
LAN
: the computers and networking products that
make up your local network
Packet:
a unit of data sent over a network.
server
: any computer whose function in a
network is to provide user access to files,
printing, communications, and other services.
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