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Broadband Router with 2 Phone Ports
Figure 5-18: Administration Tab - Management
29
Figure 5-19: Administration Tab - Log
31
Figure 5-20: Administration Tab - Diagnostics
32
Figure 5-21: Ping Test
32
Figure 5-22: Traceroute Test
32
Figure 5-23: Administration Tab - Factory Defaults
33
Figure 5-24: Administration Tab - Backup and Restore
34
Figure 5-25: Administration Tab - Reboot
34
Figure 5-26: Status Tab - Router
35
Figure 5-27: Status Tab - Local Network
36
Figure 5-28: DHCP Clients Table
36
Figure 5-29: Status Tab - Voice
37
Figure 6-1: Website for AT&T CallVantage Service
38
Figure B-1: IP Configuration Screen
53
Figure B-2: MAC Address/Adapter Address
53
Figure B-3: MAC Address/Physical Address
54
Figure B-4: Access Restrictions - MAC and IP Addresses
54
Figure B-5: MAC Address Clone
54
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Page 7 / 71
1
Chapter 1: Introduction
Welcome
Broadband Router with 2 Phone Ports
Chapter 1: Introduction
Welcome
Thank you for choosing the Broadband Router with 2 Phone Ports. This Router will allow your computers to share
a high-speed Internet connection as well as resources, including files and printers. And after you have set up
your Internet phone service, you will be able to make phone or fax calls using your Internet connection.
How does the Router do all of this? By connecting your computers and peripherals, including phones or fax
machines, to the Router and connecting the Router to your cable or DSL modem, then the Router can direct and
control communications for your network.
But what does all of this mean?
Networks are useful tools for sharing Internet access and computer resources. Multiple computers can share
Internet access, so you don’t need more than one high-speed Internet connection. With Internet phone service,
your Internet access can now be shared by your phones or fax machines as well. You will be able to make phone
calls using the account you set up with AT&T, even while you’re surfing the Internet. Plus, 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 not only are useful in homes and offices, but also can be
fun.
PCs on a wired network create a LAN, or Local Area Network. They are connected with Ethernet cables, which is
why the network is called “wired”.
To create your network, install and set up the Router. To guide you through the process, Linksys strongly
recommends that you run the Setup Wizard on the Setup CD-ROM. If you prefer to manually set up the Router, use
the instructions in the Quick Installation or this User Guide to help you. These instructions should be all you need
to get the most out of the Router.
ethernet:
an IEEE standard network protocol
that specifies how data is placed on and
retrieved from a common transmission
medium.
lan
(local area network): the computers and
networking products that make up the network
in your home or office.
NOTE:
If you want to sign up for Internet phone service or activate your account, visit
after you have installed and configured the Router. Refer to
“Chapter 6: Signing up for AT&T CallVantage
sm
Service” for more information.
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2
Chapter 1: Introduction
What’s in this Guide?
Broadband Router with 2 Phone Ports
What’s in this Guide?
This user guide covers the basic steps for setting up a network with a router. After going through “Chapter 3:
Getting to Know the Router,” most users will only need to use the following chapters:
•
Chapter 4: Connecting the Router
This chapter instructs you on how to connect the Router to your cable or DSL modem and PCs. After you
create your network, then you will connect the telephones (or fax machines) to AT&T CallVantage
sm
Service
via the Router.
•
Chapter 5: Configuring the Router
This chapter explains how to configure the Router using your web browser and the Router’s Web-based
Utility. You will configure the Router using the settings provided by your ISP.
•
Chapter 6: Signing up for AT&T CallVantage
sm
Service
When you are ready to sign up for or activate your AT&T CallVantage Service account, refer to the instructions
in this chapter.
When you’re finished with the basic steps, then you are ready to connect to the Internet.
You also have other chapter available for reference:
•
Chapter 1: Introduction
This chapter describes the Router’s applications and this User Guide.
•
Chapter 2: Networking Basics
This chapter briefly explains how a network functions.
•
Appendix A: Troubleshooting
This appendix describes some possible problems and solutions, as well as frequently asked questions,
regarding installation and use of the Router.
•
Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter
This appendix instructs you on how to find the MAC address or Ethernet address of your PC’s Ethernet
network adapter.
•
Appendix C: Windows Help
This appendix describes how you can use Windows Help for instructions about networking, such as installing
the TCP/IP protocol.
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3
Chapter 1: Introduction
What’s in this Guide?
Broadband Router with 2 Phone Ports
•
Appendix D: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
•
Appendix E: Specifications
This appendix provides the technical specifications for the Router.
•
Appendix F: Warranty Information
This appendix supplies the warranty information for the Router.
•
Appendix G: Regulatory Information
This appendix supplies the regulatory information regarding the Router.
•
Appendix H: 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 Local Area Networks
Broadband Router with 2 Phone Ports
Chapter 2: Networking Basics
An Introduction to Local Area Networks
Simply put, 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.
dhcp
(dynamic host configuration
protocol): a protocol that lets one
device on a local network, known as a
DHCP server, assign temporary IP
addresses to the other network
devices, typically computers.
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