Linksys WRT51AB manual 5GHz, 802.11a

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Instant Wireless® Series

2.4GHz 802.11b Wireless To enable 2.4GHz, 802.11b wireless networking, make sure the Enable radio button is selected. Click the Change 2.4GHz Settings button to customize the 802.11b configuration (see Figure 6-11).

5GHz, 802.11a

The 5GHz, 802.11a screen allows you to configure your 5GHz, 802.11a network settings.

Figure 6-9

SSID The SSID is the network name shared among all points in a wireless network. The SSID must be identical for all points in the wireless network. It is case-sensitive and must not exceed 32 characters (use any of the char- acters on the keyboard). Make sure this setting is the same for all points in your wireless network. For added security, you should change the default SSID (linksys) to a unique name.

Dual-Band Wireless A+B Broadband Router

Turbo Mode This enables high-speed connections, but severely limits range. Turbo Mode must be enabled on both the Router and the wireless PCs to function. Turbo Mode is not compatible with Windows XP and functions only with Linksys 5GHz, 802.11a wireless adapters.

Select Enable to increase the speed of your wireless transmissions up to 72 Mbps. Keep in mind that the Router’s range diminishes in Turbo Mode. If you do not wish to utilize Turbo Mode, select Disable.

Channel Select the appropriate channel from the list provided to corre- spond with your network settings, between 36 and 64. All devices in your wireless network must use the same channel in order to function correctly. If you want the Router to automatically scan for a clear channel, then click the checkbox.

Note: If Turbo Mode is enabled, then auto-scan will not function, and

you must select one of the following channels: 42, 50, or 58.

Note: If auto-scan is enabled, then you cannot specify a channel setting.

WEP (Encryption) An acronym for Wired Equivalent Privacy, WEP is an encryption method used to protect your wireless data communications. WEP uses 64-bit, 128-bit, or 152-bit keys to provide access control to your network and encryption security for every data transmission. To decode a data transmission, each device in a network must use an identical key. Higher encryption levels offer higher levels of security, but due to the com- plexity of the encryption, they may decrease network performance. Click the Edit WEP Settings button to configure the WEP keys for your 5GHz, 802.11a network (see Figure 6-10).

Check all the values, and click the Apply button to save your 5GHz, 802.11a settings. To cancel any changes you’ve entered on this page, click the Cancel button. To get more information about the features, click the Help button.

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Contents Dual-Band Wireless A+B Broadband Router Copyright & Trademarks Table of Contents Environmental 127 Common Problems and Solutions Frequently Asked QuestionsIntroduction Features Router’s FunctionsIP Addresses What’s an IP Address?Dynamic IP Addresses Dhcp Dynamic Host Configuration Protocol ServersRouter Setup Overview Router’s Front Panel LEDs Getting to Know the Dual-Band Wireless A+B Broadband RouterRouter’s Back Panel Proceed to Connect the Router LAN IndicatorsInternet Indicators Overview Wired Connection to a PCConnect the Router Configure the PCs Wireless Connection to a PCConfiguring Windows 98 and Millennium PCs Go to Configure the Router’s Basic SettingsConfiguring Windows 2000 PCs Configuring Windows XP PCs Configure the Router’s Basic Settings Automatic Configuration Dhcp Enter the Default GatewayStatic or Fixed IP Address Enter the Internet IP AddressHow to Access the Web-based Utility Router’s Web-based UtilityAutomatic Configuration Dhcp SetupStatic IP Pptp 5GHz, 802.11a 5GHz, 802.11a WEP 4GHz, 802.11b WEP Password StatusLAN Dhcp Log HelpAdvanced Tabs Advanced Wireless 5GHz, 802.11a802.1x Configuration Radius Server Filters 11-20 , 21-30 , 31-40 , or 41-50 from Private MAC Filter To set up a filterPrivate IP Filter Applications External Port TCP Protocol UDP Protocol Port ForwardingRouting Click the Delete This Entry buttonDMZ Host MAC Address Clone Appendix a Troubleshooting Common Problems and SolutionsNeed to set a static IP address on a PC For Windows NTFor Windows 98, Me, 2000, and XP For Windows XPWant to test my Internet connection Need to set up a server behind my Router TCP UDPCan’t get the Internet game, server, or application to work To start over, I need to set the Router to factory default Need to upgrade the firmwareFirmware upgrade failed, and/or the Diag LED is flashing My DSL service’s PPPoE is always disconnectingFrequently Asked Questions Click the Advanced = Filters tabDoes the Router support ICQ send file? How can I block corrupted FTP downloads?What is DMZ Hosting? What are the advanced features of the Router?What is the Ieee 802.11a standard? What is the Ieee 802.11b standard?What Ieee 802.11b features are supported? What is ad-hoc mode?What is infrastructure mode? What is roaming?What is WEP? What is a MAC Address?How do I reset the Router? How do I resolve issues with signal loss?Appendix B How to Ping Your ISP’s E-mail & Web Addresses Step One Pinging an IP AddressBackground Appendix C Configuring Wireless SecurityStep Two Pinging for a Web Address 802.1x Authentication WEP EncryptionMD5 Authentication for Windows XP Figure C-2Figure C-5 Digital Certificate Installation Figure C-9Click Install this certificate Figure C-13TLS Authentication for Windows XP Figure C-18Figure C-21 Figure C-25 For Windows 95, 98, and MeFigure D-3 For Windows NT, 2000, and XPAppendix E Glossary 111 113 115 117 119 121 123 125 Appendix F Specifications One 10/100 RJ-45 Port for Cable/DSL ModemCategory 5 Ethernet Network Cable or better EnvironmentalAppendix G Warranty Information Sales Information Technical Support RMA Issues FaxAppendix H Contact Information Web site FTP siteCopyright 2002 Linksys, All Rights Reserved