NETGEAR WG302 manual WPA Wireless Security

Page 84

Reference Manual for the NETGEAR ProSafe Wireless Access Point 802.11g WG302

Table B-2:

802.11b/g Radio Frequency Channels

 

 

 

Channel

Center Frequency

Frequency Spread

 

 

 

4

2427 MHz

2414.5 MHz - 2439.5 MHz

 

 

 

5

2432 MHz

2419.5 MHz - 2444.5 MHz

 

 

 

6

2437 MHz

2424.5 MHz - 2449.5 MHz

 

 

 

7

2442 MHz

2429.5 MHz - 2454.5 MHz

 

 

 

8

2447 MHz

2434.5 MHz - 2459.5 MHz

 

 

 

9

2452 MHz

2439.5 MHz - 2464.5 MHz

 

 

 

10

2457 MHz

2444.5 MHz - 2469.5 MHz

 

 

 

11

2462 MHz

2449.5 MHz - 2474.5 MHz

 

 

 

12

2467 MHz

2454.5 MHz - 2479.5 MHz

 

 

 

13

2472 MHz

2459.5 MHz - 2484.5 MHz

 

 

 

Note: The available channels supported by the wireless products in various countries are different. For example, Channels 1 to 11 are supported in the U.S. and Canada, and Channels 1 to 13 are supported in Europe and Australia.

The preferred channel separation between the channels in neighboring wireless networks is 25 MHz (5 channels). This means that you can apply up to three different channels within your wireless network. There are only 11 usable wireless channels in the United States. It is recommended that you start using channel 1 and grow to use channel 6, and 11 when necessary, as these three channels do not overlap.

WPA Wireless Security

Wi-Fi Protected Access (WPA) is a specification of standards-based, interoperable security enhancements that increase the level of data protection and access control for existing and future wireless LAN systems.

The IEEE introduced the WEP as an optional security measure to secure 802.11b (Wi-Fi) WLANs, but inherent weaknesses in the standard soon became obvious. In response to this situation, the Wi-Fi Alliance announced a new security architecture in October 2002 that remedies the shortcomings of WEP. This standard, formerly known as Safe Secure Network (SSN), is designed to work with existing 802.11 products and offers forward compatibility with 802.11i, the new wireless security architecture being defined in the IEEE.

B-8

Wireless Networking Basics

September 2004

Image 84
Contents September Technical Support Placement and Range Guidelines Declaration of Conformity Industry Canada Compliance Statement September Contents Chapter Management Appendix a Specifications Contents Chapter About This Manual Audience, Versions, ConventionsHow to Use this Manual Html version of this manualHow to Print this Manual About This Manual Chapter Introduction Key Features Supported Standards and ConventionsAutoCell-The Self-Organizing Wireless Network 802.11g Standards-based Wireless Networking Autosensing Ethernet Connections with Auto UplinkCompatible and Related Netgear Products System Requirements What’s In the Box?Following table explains the LED indicators Hardware DescriptionLED Description This socket connects to the WG302 12V 1.2A power adapter WG302 provides two detachable antennaMale DB-9 serial port for serial DTE connections Introduction Chapter Basic Installation and Configuration Observing Placement and Range GuidelinesCabling Requirements Default Factory Settings Feature Factory Default SettingsUnderstanding WG302 Wireless Security Options LUHOHVVDWD 6HFXULW\2SWLRQVInstalling the WG302 Access Point SET UP the WG302 Access PointLogin window Web browser will then display the WG302 settings Login result WG302 homeConfigure the settings appropriate for your network Basic Settings menuDeploy the WG302 Access Point Verify Wireless Connectivity How to Log In to the WG302 Using Its Default IP Address Understanding Basic Wireless Settings Basic Installation and Configuration Understanding WEP/WPA Security Options Wireless Security Settings Field Description Security Encryption Field Description WPA-PSK Wi-Fi Before You Change the Ssid and WEP Settings KeyHow to Set Up and Test Basic Wireless Connectivity How to Restrict Wireless Access by MAC Address Select the Turn Access Control On check boxHow to Configure WEP To configure WEP data encryption, follow these stepsClick Apply to save your settings How to Configure WPA How to Configure WPA-PSKUsing the Basic IP Settings Options 10 Wireless Settings menuAccess Point Name NetBIOS Select the time zone location for your setting Time ZoneUsing the Secure Telnet Interface How to Use the CLI via the Console PortThese settings appear below the connector on the back panel Chapter ManagementCLI Commands Press the return key, and the screen below should appearUsing Syslog and Activity Log Information Syslog and Activity Log informationViewing General, Log, Station, and Statistical Information This screen shows the following parametersStatistics Field DescriptionWireless Access Point Status screen Statistics Fields Upgrading the Wireless Access Point Software Viewing a List of Attached DevicesConfiguration File Management Saving and Retrieving the Configuration Settings Backup menuRestoring the WG302 to the Factory Default Settings Using the Reset Button to Restore Factory Default SettingsChanging the Administrator Password Set Password menu Management Chapter Advanced Configuration Understanding Advanced IP Settings for Wireless ClientsUnderstanding Advanced Wireless Settings AutoCell RF ManagementConfiguration AutoCell RF management is enabled by defaultAdditional AutoCell View Management Options Configuring Wireless LAN Parameters Table below describes the advanced wireless parametersEnabling Wireless Bridging and Repeating Advanced Wireless Settings Access Point Mode settingsHow to Configure a WG302 as a Point-to-Point Bridge Point-to-Point BridgeHow to Configure Multi Configure the Operating Mode WG302 AP1 on LANHow to Configure Wireless Repeating Advanced Configuration Chapter Troubleshooting No lights are lit on the access pointWireless LAN activity light does not light up LAN light is not litCannot connect to the WG302 to configure it When I enter a URL or IP address I get a timeout errorUsing the Reset Button to Restore Factory Default Settings Appendix a Specifications Specifications for the WG302Specifications Appendix B Wireless Networking Basics Wireless Networking OverviewInfrastructure Mode This chapter provides an overview of Wireless networkingAuthentication and WEP Data Encryption Ad Hoc Mode Peer-to-Peer WorkgroupNetwork Name Extended Service Set Identification Essid Authentication Open System AuthenticationShared Key Authentication $XWKHQWLFDWLRQ6WHSVOverview of WEP Parameters Sends Iteback TOO!0Key Size Wireless Channels WEP Configuration OptionsWPA Wireless Security How Does WPA Compare to WEP? What are the Key Features of WPA Security? How Does WPA Compare to Ieee 802.11i?Wireless Networking Basics Figure B-3 WPA Overview Access point replies with an EAP-request identity message Figure B-4 802.1x Authentication SequenceWPA Data Encryption Key Management Temporal Key Integrity Protocol Tkip Is WPA Perfect? Product Support for WPAOpen system, then 802.1x EAP with Radius or preshared key Open system, then 802.1x supplicant EAP or preshared keyChanges to Wireless Client Programs Appendix C Command Line Reference Command SetsCommand Line Reference Command Line Reference Command Line Reference Glossary Dhcp DSL Internet service provider Radius TLS Wins Glossary Index NumericsWEP B-3
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