Linksys WPC54G manual Planning your Wireless Network, Network Topology, Roaming

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Wireless-G Notebook Adapter

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 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 can 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 can be doubled.

topology: the physical layout of a network.

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

ad-hoc: a group of wireless devices communicating directly with each other (peer- to-peer) without the use of an access point.

infrastructure: a wireless network that is bridged to a wired network via an access point.

router: a networking device that connects multiple networks together.

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.

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.

Chapter 2: Planning your Wireless Network

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Network Topology

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Contents Wireless- G Word definition Copyright and TrademarksTable of Contents Front Panel List of Figures21 EAP-MD5 Authentication Introduction Welcome Adapter a device that adds network functionality to your PC What’s in this Guide? Wireless-G Notebook Adapter Network Topology Planning your Wireless NetworkRoaming Topology the physical layout of a networkNetwork Layout Planning your Wireless NetworkLED Indicators Getting to Know the Wireless-G Notebook AdapterPower LinkSoftware instructions for the computer Software Installation and ConfigurationSetup Wizard’s Wireless Mode Screen Installation ProcedureBit a binary digit WEPWPA-PSK Setup Wizard’s Check Settings ScreenSetup Wizard’s Congratulations Screen Connecting the Adapter Hardware InstallationUsing the Wireless Network Monitor Accessing the Wireless Network MonitorLink Information Internet traffic from your local area network Encryption encoding data transmitted in a networkByte a unit of data that is usually eight bits long Wireless Network StatisticsSite Information Site SurveyProfile Information ProfilesOn the Profiles screen, click New to create a new profile Creating a New Profile11 Ad-Hoc Mode Settings 12 Network Settings 13 Wireless Security for New Profile 15 WPA-PSK Settings WPA Radius 17 WPA Radius SettingsEAP-TTLS EAP-TLSEAP-MD5 EAP-PEAPRadius 24 Radius Settings27 EAP-MD5 Authentication 30 Confirm New Settings Appendix a Troubleshooting Common Problems and SolutionsWireless-G Notebook Adapter does not work properly What is the 802.11b standard? Frequently Asked QuestionsWhat is the 802.11g standard? What 802.11b features are supported?What is infrastructure mode? What is ad-hoc mode?What is roaming? What is ISM band?What is WEP? What is DSSS? What is FHSS? And what are their differences?Appendix B Wireless Security Security PrecautionsSecurity Threats Facing Wireless Networks Appendix B Wireless Security Wireless-G Notebook Adapter TCP/IP Appendix C Windows HelpAppendix D Glossary Wireless-G Notebook Adapter Wireless-G Notebook Adapter Wireless-G Notebook Adapter Appendix E Specifications Limited Warranty Appendix F Warranty InformationAppendix G Regulatory Information FCC StatementIndustry Canada Canada EC Declaration of Conformity Europe Safety Notices Appendix H Contact Information
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