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Instant Wireless® Series

IPX (Internetwork Packet EXchange) - A NetWare communications protocol used to route messages from one node to another. IPX packets include network addresses and can be routed from one network to another.

ISM band - The FCC and their counterparts outside of the U.S. have set aside bandwidth for unlicensed use in the ISM (Industrial, Scientific and Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is being made avail- able worldwide. This presents a truly revolutionary opportunity to place con- venient high-speed wireless capabilities in the hands of users around the globe.

ISP (Internet Service Provider) - A company that provides individuals and companies access to the Internet and other related services such as Web site building and virtual hosting.

LAN (Local Area Network) - A group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area (for example, within an office building).

Layer 2 - Data Link layer in the International Standards Organization (ISO) 7- Layer Data Communications Protocol, also known as the OSI (Open Systems Interconnection) model. This is a standard model to consult when designing network protocols. Layer 2 is directly related to the hardware interface for net- work devices and passes traffic based on MAC addresses.

MAC (Media Access Control) Address - A unique number assigned by the manufacturer to any Ethernet networking device, such as a network adapter, that allows the network to identify it at the hardware level.

Mbps (Megabits per second) - One million bits per second; unit of measure- ment for data transmission.

MD5 - A type of one-way authentication method that uses passwords. MD5 authentication is not as secure as the EAP-TLS or EAP/TTLS authentication methods. MD5 authentication does not support dynamic WEP key manage- ment.

MDI (Medium Dependent Interface) - On a network hub or switch, a MDI port, also known as an uplink port, connects to another hub or switch using a straight-through cable. To connect a MDI port to a computer, use a crossover cable.

Dual-Band Wireless A+G Broadband Router

MDIX (Medium Dependent Interface Crossed) - On a network hub or switch, a MDIX port connects to a computer using a straight-through cable. To connect a MDIX port to another hub or switch, use a crossover cable.

mIRC - mIRC runs under Windows and provides a graphical interface for log- ging onto IRC servers and listing, joining and leaving channels.

Multicasting - Sending data to a group of nodes instead of a single destination.

NAT (Network Address Translation) - The translation of an Internet Protocol address (IP address) used within one network to a different IP address known within another network. One network is designated the inside network and the other is the outside.

Network - A system that transmits any combination of voice, video and/or data between users.

NNTP (Network News Transfer Protocol) - The protocol used to connect to Usenet groups on the Internet. Usenet newsreaders support the NNTP protocol.

Node - A network junction or connection point, typically a computer or work station.

Notebook (PC) - A notebook computer is a battery-powered personal comput- er generally smaller than a briefcase that can easily be transported and conve- niently used in temporary spaces such as on airplanes, in libraries, temporary offices, and at meetings. A notebook computer, sometimes called a laptop com- puter, typically weighs less than five pounds and is three inches or less in thick- ness.

OFDM - Developed for wireless applications, Orthogonal Frequency Division Multiplexing (OFDM) technology offers superior performance-increased data rates and more reliable transmissions-than previous technologies, such as DSSS. OFDM is a scheme in which numerous signals of different frequencies are combined to form a single signal for transmission on the medium.

OFDM works by breaking one high-speed data stream into a number of lower- speed data streams, which are then transmitted in parallel. Each lower speed stream is used to modulate a subcarrier. Essentially, this creates a multi-carrier transmission by dividing a wide frequency band or channel into a number of narrower frequency bands or sub-channels. OFDM is also used for other appli- cations, including powerline networking.

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Contents Dual-Band Wireless A+G Broadband Router Copyright & Trademarks Table of Contents Introduction Dual-Band Wireless A+G Broadband RouterFeatures Router’s FunctionsIP Addresses Router Setup Overview Dhcp Dynamic Host Configuration Protocol ServersGetting to Know the Dual-Band Wireless A+G Broadband Router Router’s Back PanelRouter’s Front Panel Internet Indicators LAN IndicatorsWired Connection to a PC Connect the RouterOverview Wireless Connection to a PC Configure the PCsConfiguring 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 Router’s Web-based Utility How to Access the Web-based UtilitySetup Automatic Configuration DhcpStatic IP Pptp 5GHz, 802.11a 4GHz, 54g/Wireless-G Security System Instant Wireless Series Dhcp Status SnmpHelp Wireless 5GHz, 802.11aAdvanced Tabs Advanced Wireless4GHz, 54g/Wireless-G Internet Filter Port Forwarding Applications External Port TCP Protocol UDP Protocol Click the Delete This Entry button RoutingDdns Appendix a Troubleshooting Common Problems and SolutionsNeed to set a static IP address on a PC Want to test my Internet connection For Windows XPTCP UDP Need to set up a server behind my RouterCan’t get the Internet game, server, or application to work Need to upgrade the firmware To start over, I need to set the Router to factory defaultFirmware 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 is the Ieee 802.11a standard? What are the advanced features of the Router?What is the Ieee 802.11b standard? What Ieee 802.11a features are supported?What is ISM band? What is roaming?What is Spread Spectrum? What is WEP?How do I reset the Router? Appendix B How to Ping Your ISP’s E-mail & Web AddressesHow do I resolve issues with signal loss? Have excellent signal strength, but I cannot see my networkStep Two Pinging for a Web Address Step One Pinging an IP AddressAppendix C Configuring Wireless Security BackgroundWEP Encryption For Windows 95, 98, and Me Figure D-5 Appendix E GlossaryInstant Wireless Series 100 101 102 103 104 105 106 107 108 109 110 111 LEDs Appendix F SpecificationsEnvironmental Appendix G Warranty Information32ºF to 104ºF 0ºC to 40ºC 4ºF to 158ºF -20ºC to 70ºCCopyright 2003 Linksys, All Rights Reserved Appendix H Contact Information

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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