Instant Wireless® Series

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DMZ The DMZ hosting feature allows one local user to be exposed to the Internet for use of a special-purpose service such as Internet gaming or video- conferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port Forwarding feature is more secure because it only opens the ports you want to have opened, while DMZ hosting opens all the ports of one computer, exposing the computer so the Internet can see it.

Any PC whose port is being forwarded must have its DHCP client function dis- abled and should have a new static IP address assigned to it because its IP address may change when using the DHCP function.

1.To expose one PC, select Enable.

2.Enter the computer's IP address in the DMZ Host IP Address field.

3.Click the Apply button.

Block WAN Request By enabling the Block WAN Request feature, you can prevent your network from being “pinged,” or detected, by other Internet users. The Block WAN Request feature also reinforces your network security by hid- ing your network ports. Both functions of the Block WAN Request feature make it more difficult for outside users to work their way into your network. This feature is enabled by default. Select Disable to disable this feature.

To save your changes on this page, click the Apply button. To cancel any unsaved changes on this page, click the Cancel button. To get more informa- tion about the features, click the Help button.

System

The System screen, shown in Figure 7-13, lets you control a variety of the Router’s general features, from restoring factory defaults to enabling its remote management capability.

Restore Factory Defaults Click the Yes button to reset all configuration set- tings to their default values, and then click the Apply button. Any settings you have saved will be lost when the default settings are restored. This feature is disabled by default.

Dual-Band Wireless A+G Broadband Router

Figure 7-13

Firmware Upgrade New firmware versions are posted at www.linksys.com and can be downloaded for free. If the Router already works well, there’s no need to download a newer firmware version, unless that version has a new fea- ture that you want to use. (To learn about any new firmware with new features, visit www.linksys.com.)

Note: By upgrading the Router’s firmware, you may lose the Router’s configuration settings, so make sure you write down the Router’s set- tings before you upgrade its firmware.

To upgrade the Router’s firmware:

1.Download the firmware upgrade file from www.linksys.com, and extract the file using a file archive utility such as WinZip.

2.Click the Upgrade button.

3.On the Upgrade Firmware screen (see Figure 7-14), click the Browse button to find the firmware upgrade file you extract- ed.

Figure 7-14

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RF-Link Technology WRT55AG manual System
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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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