RF-Link Technology WRT55AG manual Appendix B How to Ping Your ISP’s E-mail & Web Addresses

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Instant Wireless® Series

How do I reset the Router?

Press the Reset button on the back panel for about ten seconds. This will reset the Router to its default settings.

How do I resolve issues with signal loss?

There is no way to know the exact range of your wireless network without test- ing. Every obstacle placed between the Router and a wireless PC will create signal loss. Lead glass, metal, concrete floors, water and walls will inhibit the signal and reduce range. Start with the Router and your wireless PC in the same room and move it away in small increments to determine the maximum range in your environment.

You may also try using different channels, as this may eliminate interference affecting only one channel. Also, due to FCC regulations, more power may be transmitted, using 802.11a, on channels 52, 56, 60 and 64, than on the lower channels. Lastly, click the Advanced tab of the web-based utility and make sure that FULL is selected in the Transmission Power field.

I have excellent signal strength, but I cannot see my network.

WEP is probably enabled on the Router, but not on your wireless adapter (or vice versa). Verify that the same WEP keys and levels (64, 128, or 152) are being used on all nodes of your wireless network.

How many channels/frequencies are available with the Router?

Using 802.11a, there are eight available channels, ranging from 36 to 64. Using 802.11g-draft, there are eleven available channels, ranging from 1 to 11.

What is the difference in range between 802.11a and 802.11g products?

Overall, range will be a little less in a typical environment, and while higher speeds may be achieved with 802.11a, through- put degrades more quickly. (See Figure A-1.)

Figure A-1

If your questions are not addressed here, refer to the Linksys website,

www.linksys.com.

Dual-Band Wireless A+G Broadband Router

Appendix B: How to Ping Your ISP’s E-mail & Web Addresses

Virtually all Internet addresses are configured with words or characters (e.g., www.linksys.com, www.yahoo.com, etc.) In actuality, however, these Internet addresses are assigned to IP addresses, which are the true addresses on the Internet. For example, www.yahoo.com is 66.218.71.87 (this IP address may change). Type it into your web browser and you will wind up at the Linksys home page every time. There are servers that translate the URL to an IP address; this is called the Domain Name System (DNS).

IP and web addresses, however, can sometimes be long and hard to remember. Because of this, certain ISPs will shorten their server addresses to single words or codes on their users’ web browser or e-mail configurations. If your ISP’s e- mail and web server addresses are configured with single words (www, e-mail, home, pop3, etc.) rather than whole Internet addresses or IP addresses, the Router may have problems sending or receiving mail and accessing the Internet. This happens because the Router has not been configured by your ISP to accept their abbreviated server addresses.

The solution is to determine the true web addresses behind your ISPs code words. You can determine the IP and web addresses of your ISP’s servers by “pinging” them.

Important: If you don’t have your ISP’s web and e-mail IP addresses, you must either get them from your ISP or follow these steps prior to connecting the Router to your network.

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Contents Dual-Band Wireless A+G Broadband Router Copyright & Trademarks Table of Contents Dual-Band Wireless A+G Broadband Router IntroductionFeatures Router’s FunctionsIP Addresses Dhcp Dynamic Host Configuration Protocol Servers Router Setup OverviewGetting to Know the Dual-Band Wireless A+G Broadband Router Router’s Back PanelRouter’s Front Panel LAN Indicators Internet IndicatorsWired Connection to a PC Connect the RouterOverview Configure the PCs Wireless Connection to a PCConfiguring Windows 98 and Millennium PCs Configuring Windows 2000 PCs Configuring Windows XP PCs Setting Up the Dual-Band Wireless a + G Broadband Router Instant Wireless Series Instant Wireless Series Instant Wireless Series Instant Wireless Series Pptp How to Access the Web-based Utility Router’s Web-based UtilityAutomatic Configuration Dhcp SetupStatic IP Pptp 5GHz, 802.11a 4GHz, 54g/Wireless-G Security System Instant Wireless Series Dhcp Snmp StatusWireless 5GHz, 802.11a HelpAdvanced Wireless Advanced Tabs4GHz, 54g/Wireless-G Internet Filter Port Forwarding Applications External Port TCP Protocol UDP Protocol Routing Click the Delete This Entry buttonDdns Appendix a Troubleshooting Common Problems and SolutionsNeed to set a static IP address on a PC For Windows XP Want to test my Internet connectionNeed 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 What is DMZ Hosting? Does the Router support ICQ send file?How can I block corrupted FTP downloads? What are the advanced features of the Router? What is the Ieee 802.11a standard?What is the Ieee 802.11b standard? What Ieee 802.11a features are supported?What is roaming? What is ISM band?What is Spread Spectrum? What is WEP?Appendix B How to Ping Your ISP’s E-mail & Web Addresses How do I reset the Router?How do I resolve issues with signal loss? Have excellent signal strength, but I cannot see my networkStep One Pinging an IP Address Step Two Pinging for a Web AddressAppendix C Configuring Wireless Security BackgroundWEP Encryption For Windows 95, 98, and Me Appendix E Glossary Figure D-5Instant Wireless Series 100 101 102 103 104 105 106 107 108 109 110 111 Appendix F Specifications LEDsAppendix G Warranty Information Environmental32ºF to 104ºF 0ºC to 40ºC 4ºF to 158ºF -20ºC to 70ºCAppendix H Contact Information Copyright 2003 Linksys, All Rights Reserved

WRT55AG specifications

The RF-Link Technology WRT55AG is a versatile wireless router designed to cater to the demands of both home and small office environments. As a dual-band device, it operates on both the 2.4 GHz and 5 GHz frequency bands, allowing for enhanced network flexibility and reduced interference. This capability makes it ideal for settings where multiple devices compete for bandwidth, such as homes filled with smart devices and media streaming.

One of the standout features of the WRT55AG is its support for advanced wireless standards, including IEEE 802.11a/b/g/n. This broad compatibility ensures that users can connect various devices, from older laptops and smartphones to the latest smart home gadgets, without issues. The router boasts a maximum theoretical data rate of up to 300 Mbps on the 2.4 GHz band and 450 Mbps on the 5 GHz band, providing ample speed for high-definition video streaming, online gaming, and large file transfers.

Security is a top priority for the WRT55AG, which incorporates WPA2 encryption and can easily configure firewall settings to protect user data from external threats. The router also features a robust Quality of Service (QoS) management tool that enables users to prioritize bandwidth for specific applications or devices. This ensures that crucial tasks, such as video conferencing or online gaming, receive the necessary resources to function optimally.

In terms of connectivity, the WRT55AG is equipped with four Gigabit Ethernet ports, allowing for wired connections to gaming consoles, PCs, and other network devices. This feature is particularly beneficial for users who require stable connections with minimal latency. The router also supports USB connectivity, enabling file sharing and media streaming directly from USB storage devices connected to the router.

The RF-Link Technology WRT55AG also incorporates user-friendly setup options, including an intuitive web interface for quick configuration. With support for both IPv4 and IPv6 protocols, this router is future-proof, ensuring that it remains relevant as Internet standards evolve.

Overall, the RF-Link WRT55AG stands out as a reliable and feature-rich router that meets the needs of modern households and small offices. Its combination of speed, security, and versatility makes it a solid choice for users looking to enhance their wireless networking experience.
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