Wireless-G Broadband Router with SRX

Figure 5-27: Port Services

25

Figure 5-28: Applications and Gaming Tab - Port Range Forward

26

Figure 5-29: Applications and Gaming Tab - Port Triggering

26

Figure 5-30: Applications and Gaming Tab - DMZ

27

Figure 5-31: Applications and Gaming Tab - UPnP Forwarding

27

Figure 5-32: Administration Tab - Management

28

Figure 5-33: Administration Tab - Log

29

Figure 5-34: Administration Tab - Diagnostics

29

Figure 5-35: Administration Tab - Factory Defaults

30

Figure 5-36: Administration Tab - Firmware Upgrade

30

Figure 5-37: Administration Tab - Config Management

31

Figure 5-38: Status Tab - Router

31

Figure 5-39: Status Tab - Local Network

32

Figure 5-40: Status Tab - Wireless

33

Figure 5-41: Status Tab - System Performance

34

Figure C-1: Upgrade Firmware

54

Figure E-1: IP Configuration Screen

56

Figure E-2: MAC Address/Adapter Address

56

Figure E-3: MAC Address/Physical Address

56

Figure E-4: MAC Address Filter List

57

Figure E-5: MAC Address Clone

57

1

Chapter 1: Introduction

Welcome

Wireless-G Broadband Router with SRX

Chapter 1: Introduction

Welcome

Thank you for choosing the Linksys Wireless-G Broadband Router with SRX. The Wireless-G Broadband Router

with SRX 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 SRX 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 SRX, this access can be shared

over the four switched ports or via the wireless network, broadcast at either 11Mbps for Wireless-B or 54Mbps

for Wireless-G. In addition, WPA encryption provides greater security opportunities while the whole network is

protected through a Stateful Packet Inspection (SPI) firewall and NAT technology. All of these security features, as

well as full configurability, are accessed 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.

PCs on a wired network create a Local Area Network. They are connected with Ethernet cables, which is why the

network is called “wired”.

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. The Wireless-G

Broadband Router with SRX bridges wireless networks of both 802.11b and 802.11g standards and wired

networks, allowing them to communicate with each other.

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 SRX protects your networks

from unauthorized and unwelcome users.

You should always use the Setup CD-ROM when you first install 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 Wireless-G

Broadband Router with SRX, 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 SRX.

lan

(Local Area Network): The

computers and networking products

that make up the network in your home

or office

802.11b

: an IEEE wireless networking standard

that specifies a maximum data transfer rate of

11Mbps and an operating frequency of 2.4GHz.

802.11b

: an IEEE 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.

browser

: an application program that

provides a way to look at and interact with all

the information on the World Wide Web.

mbps

: one million bits per second; a unit of

measurement for data transmission

2

Chapter 1: Introduction

What’s in this Guide?

Wireless-G Broadband Router with SRX

What’s in this Guide?

This user guide covers the steps for setting up and using the Wireless-G Broadband Router with SRX.

•

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

This chapter describes the Router’s physical features.

•

Chapter 4: Connecting the Wireless-G Broadband Router

This chapter instructs you on how to connect the Router to your network.

•

Chapter 5: Configuring the Wireless-G Broadband Router

This chapter explains how to use the Router’s Web-Based Utility.

•

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.

•

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 Router’s firmware 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 Router’s MAC filtering and/or MAC address cloning feature.

•

Appendix F: Glossary

This appendix gives a brief glossary of terms frequently used in networking.

•

Appendix G: Specifications

This appendix provides the Router’s technical specifications.

3

Chapter 1: Introduction

What’s in this Guide?

Wireless-G Broadband Router with SRX

•

Appendix H: Warranty Information

This appendix supplies the Router’s warranty information.

•

Appendix I: Regulatory Information

This appendix supplies the Router’s regulatory information.

•

Appendix J: Contact Information

This appendix provides contact information for a variety of Linksys resources, including Technical Support.

4

Chapter 2: Planning Your Wireless Network

Network Topology

Wireless-G Broadband Router with SRX

Chapter 2: Planning Your Wireless Network

Network Topology

A wireless local area network is exactly like a regular local area network (LAN), except that each computer in the

wireless network uses a wireless device to connect to the network. Computers in a wireless network share the

same frequency channel and SSID, which is an identification name shared by the wireless devices belonging to

the same wireless network.

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 wireless and wired network 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, 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.

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 wireless-

equipped 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.

Infrastructure

: a wireless network

that is bridged to a wired network via

an access point.

ssid

: your wireless network’s name.

ad-hoc

: a group of wireless devices

communicating directly to each other

(peer-to-peer) without the use of an

access point.

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

ethernet

: IEEE standard network protocol that

specifies how data is placed on and retrieved

from a common transmission medium

network

: a series of computers or devices

connected for the purpose of data sharing,

storage, and/or transmission between users.