Linksys WAP54G v2 Manuale utente
A Division of Cisco Systems, Inc.
®
Model No.
Access Point
Wireless-G
WAP54G v2
User Guide
WIRELESS
GHz
2.4
802.11g
Wireless-G Access Point
Copyright and Trademarks
Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco
Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2004 Cisco Systems, Inc. All
rights reserved. Other brands and product names are trademarks or registered trademarks of their respective
holders.
How to Use this Guide
Your guide to the Wireless-G Access Point has been designed to make understanding networking with the Access
Point easier than ever. Look for the following items when reading this guide:
In addition to these symbols, there are definitions for technical terms that are presented like this:
Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like
this:
Figure numbers and descriptions can also be found in the "List of Figures" section in the “Table of Contents”.
This exclamation point means there is a Caution or
warning and is something that could damage your
property or the Access Point.
word: definition.
This checkmark means there is a Note of interest and
is something you should pay special attention to while
using the Access Point.
This question mark provides you with a reminder about
something you might need to do while using the Access Point.
Figure 0-1: Sample Figure Description
wap54g v2-UG-40419 BW
Wireless-G Access Point
Table of Contents
Chapter 1: Introduction 1
Welcome 1
What’s in this Guide? 2
Chapter 2: Planning your Wireless Network 4
Network Topology 4
Roaming 4
Network Layout 5
Chapter 3: Getting to Know the Wireless-G Access Point 6
The Back Panel 6
The Front Panel 7
Chapter 4: Connecting the Wireless-G Access Point 8
Hardware Installation 8
Chapter 5: Setting Up the Wireless-G Access Point 9
Setup Wizard 9
Linksys Wireless Guard Setup 15
Chapter 6: Linksys Wireless Guard 18
Client Software Installation 18
Network Access 21
Your Account 22
Chapter 7: Configuring the Wireless-G Access Point 29
Overview 29
Navigating the Utility 30
Accessing the Utility 31
The Setup Tab 32
The Status Tab 40
The Advanced Tab 41
The Help Tab 45
Appendix A: Troubleshooting 46
Frequently Asked Questions 46
Appendix B: Wireless Security 50
Security Precautions 50
Security Threats Facing Wireless Networks 50
Wireless-G Access Point
Appendix C: Upgrading Firmware 53
Appendix D: Windows Help 54
Appendix E: Glossary 55
Appendix F: Specifications 59
Appendix G: Warranty Information 61
Appendix H: Regulatory Information 62
Appendix I: Contact Information 64
Wireless-G Access Point
List of Figures
Figure 3-1: The Access Point’s Back Panel 6
Figure 3-2: Front Panel 7
Figure 5-1: The Setup Wizard’s Welcome Screen 9
Figure 5-2: Connecting the Access Point 10
Figure 5-3: Select an Access Point 10
Figure 5-4: Enter the Password 11
Figure 5-5: The Configure Network Address Settings Screen 11
Figure 5-6: The Wireless Settings Screen 12
Figure 5-7: The Security Settings Screen 12
Figure 5-8: The WEP Settings Screen 13
Figure 5-9: The WPA-PSK Screen 13
Figure 5-10: The Congratulations Screen 14
Figure 5-11: The Attention Screen 15
Figure 5-12: The Linksys Wireless Guard Setup Screen 15
Figure 5-13: The Securing your Access Point Screen 16
Figure 5-14: Note the New Password Screen 16
Figure 5-15: The Adding Authorized Users Screen 17
Figure 5-16: The Congratulations Screen 17
Figure 6-1: Note 18
Figure 6-2: Configuring Windows Installer 18
Figure 6-3: Exit Applications 19
Figure 6-4: License Agreement 19
Figure 6-5: Destination Location 20
Figure 6-6: Copying Files 20
Figure 6-7: Restart your Computer 21
Figure 6-8: The Network Access Screen 21
Figure 6-9: Member Login 22
Figure 6-10: Home 23
Wireless-G Access Point
Figure 6-11: Network Administration 23
Figure 6-12: Modify Access Control 24
Figure 6-13: Add Guest 24
Figure 6-14: Add Member 25
Figure 6-15: Welcome 25
Figure 6-16: Subscriber Information 26
Figure 6-17: Account Finances 26
Figure 6-18: Credentials Information 27
Figure 6-19: Congratulations 27
Figure 7-1: Password Screen 31
Figure 7-2: The Basic Setup Screen 32
Figure 7-3: WPA Pre-Shared Key Settings 34
Figure 7-4: WPA Radius Settings 34
Figure 7-5: Radius Settings 35
Figure 7-6: WEP Settings 35
Figure 7-7: The Password Screen 36
Figure 7-8: The AP Mode Screen 37
Figure 7-9: The Site Survey screen 37
Figure 7-10: Wireless Repeater diagram 38
Figure 7-11: Wireless Bridge diagram 38
Figure 7-12: The Log screen 39
Figure 7-13: The Status Screen 40
Figure 7-14: The Filters Screen 41
Figure 7-15: The Advanced Wireless screen 42
Figure 7-16: The SNMP screen 44
Figure 7-17: The Help screen 45
Figure C-1: Upgrade Firmware 53
1
Chapter 1: Introduction
Welcome
Wireless-G Access Point
Chapter 1: Introduction
Welcome
Thank you for choosing the Wireless-G Access Point. This Access Point will allow you to network wirelessly better
than ever.
How does the Access Point do all of this? An access point allows for greater range and mobility within your
wireless network while also allowing you to connect the wireless network to a wired environment. Being a dual-
band access point, not only does the Access Point bring you these benefits, it also allows two wireless standards,
802.11g and 802.11b, to communicate with each other. This means that PCs with different wireless standards
can communicate with each other and with a wired network.
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 LAN, or Local Area Network. They are connected with Ethernet cables, which is
why the network is called "wired".
PCs equipped with wireless cards and adapters can communicate without cumbersome cables. By sharing the
same wireless settings, within their transmission radius, they form a wireless network. This is sometimes called
a WLAN, or Wired Local Area Network. The Access Point bridges wireless networks of both 802.11g and 802.11b
standards and wired networks.
Use the instructions in this Guide to help you connect the Access Point, 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 Access Point.
802.11b: a wireless networking standard that specifies
a maximum data transfer rate of 11Mbps and an
operating frequency of 2.4GHz.
802.11g: a 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.
adapter: a device that adds network functionality to your PC
ethernet: 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 your local network
network: a series of computers or devices
connected together
2
Chapter 1: Introduction
What’s in this Guide?
Wireless-G Access Point
What’s in this Guide?
This user guide covers the steps for setting up and using the Wireless-G Access Point.
• Chapter 1: Introduction
This chapter describes the Wireless-G Access Point’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 Access Point
This chapter describes the physical features of the Access Point.
• Chapter 4: Connecting the Wireless-G Access Point
This chapter instructs you on how to connect the Access Point to your network.
• Chapter 5: Setting Up the Wireless-G Access Point
This chapter explains how to use the Web-Based Utility to configure the settings on the Access Point and how
to install the setup on the Access Point for the Linksys Wireless Guard.
• Chapter 6: The Linksys Wireless Guard
This chapter explains how to install the client software for Linksys Wireless Guard and other information on
the service.
• Chapter 7: Configuring the Wireless-G Access Point
This chapter explains the use of the Access Point’s Web-based Utility.
• Appendix A: Troubleshooting
This appendix describes some frequently asked questions regarding installation and use of the Wireless-G
Access Point.
• 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 Access Point’s firmware.
• Appendix D: Windows Help.
This appendix describes some of the ways Windows can help you with wireless networking.
• Appendix E: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
3
Chapter 1: Introduction
What’s in this Guide?
Wireless-G Access Point
• Appendix F: Specifications
This appendix provides the Access Point’s technical specifications.
• Appendix G: Warranty Information
This appendix supplies the Access Point’s warranty information.
• Appendix H: Regulatory Information
This appendix supplies the Access Point’s regulatory information.
• Appendix I: 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 Access Point
Chapter 2: Planning your Wireless Network
Network Topology
A wireless network is a group of computers, each equipped with one wireless adapter. Computers in a wireless
network must be configured to share the same radio channel. Several PCs equipped with wireless cards or
adapters can communicate with one another to form an ad-hoc network.
Linksys wireless adapters also provide users access to a wired network when using an access point, such as the
Wireless-G Access Point, or wireless router. An integrated wireless and wired network is called an infrastructure
network. Each wireless PC in an infrastructure network can talk to any computer in a wired network
infrastructure via the access point or wireless router.
An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and may double the
effective wireless transmission range for two wireless adapter PCs. Since an access point is able to forward data
within a network, the effective transmission range in an infrastructure network may be doubled.
Roaming
Infrastructure mode also supports roaming capabilities for mobile users. Roaming means that you can move your
wireless PC within your network and the access points will pick up the wireless PC's signal, providing that they
both share the same channel and SSID.
Before enabling you consider roaming, choose a feasible radio channel and optimum access point position.
Proper access point positioning combined with a clear radio signal will greatly enhance performance.
infrastructure: a wireless network
that is bridged to a wired network via
an access point.
ad-hoc: a group of wireless devices
communicating directly with each other (peer-
to-peer) without the use of an access point.
roaming: the ability to take a wireless device
from one access point's range to another
without losing the connection.
ssid: your wireless network's name
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