Chapter 4

Advanced Configuration

use a WEP key for authentication. Select Shared Key to only use Shared Key authentication.

Control TX Rate  The Control TX Rate should be set depending on the speed of your wireless network. Select from a range of transmission speeds, or keep the default, Auto. When the Auto setting is selected, the Gateway automatically uses the fastest possible data rate and enables the Auto-Fallback feature, which negotiates the best possible connection speed between the Gateway and a wireless device.

Beacon Interval  Enter a value between 1 and 65,535 milliseconds. The Beacon Interval value indicates the frequency interval of the beacon. A beacon is a packet broadcast by the Gateway to synchronize the wireless network(s). The default value is 100.

DTIM Interval  This value, between 1 and 255, indicates the interval of the Delivery Traffic Indication Message (DTIM). A DTIM field is a countdown field informing clients of the next window for listening to broadcast and multicast messages. When the Gateway has buffered broadcast or multicast messages for associated clients, it sends the next DTIM with a DTIM Interval value. Its clients hear the beacons and awaken to receive the broadcast and multicast messages. The default value is 1.

Fragmentation Threshold  This value specifies the maximum size for a packet before data is fragmented into multiple packets. If you experience a high packet error rate, you may slightly increase the Fragmentation Threshold. Setting the Fragmentation Threshold too low may result in poor network performance. Only minor reduction of the default value is recommended. In most cases, it should remain at its default value of 2346.

RTS Threshold  Should you encounter inconsistent data flow, only minor reduction of the default, 2347, is recommended. If a network packet is smaller than the preset RTS threshold size, the RTS/CTS mechanism will not be enabled. The Gateway sends Request to Send (RTS) frames to a particular receiving station and negotiates the sending of a data frame. After receiving an RTS, the wireless station responds with a Clear to Send (CTS) frame to acknowledge the right to begin transmission. The RTS Threshold value should remain at its default value of 2347.

Click Save Settings to apply your changes, or click Cancel Changes to cancel your changes.

Security > Firewall

The Firewall screen is used to configure a firewall that can filter out various types of unwanted traffic on the Gateway’s local network.

Security > Firewall

Firewall

Firewall Protection  To use firewall protection, keep the default selection, Enable. To turn off firewall protection, select Disable.

Additional Filters

Filter Proxy  Use of WAN proxy servers may compromise the Gateway’s security. Denying Proxy will disable access to any WAN proxy servers. Select Filter Proxy to enable proxy filtering. Deselect the feature to allow proxy access.

Filter Java Applets  Java is a programming language for websites. If you deny Java, you run the risk of not having access to Internet sites created using this programming language. Select Filter Java Applets to enable Java filtering. Deselect the feature to allow Java usage.

Filter Cookies  A cookie is data stored on your computer and used by Internet sites when you interact with them. Select Filter Cookies to filter cookies. Deselect the feature to allow cookie usage.

Filter ActiveX  ActiveX is a programming language for websites. If you deny ActiveX, you run the risk of not having access to Internet sites created using this programming language. Select Filter ActiveX to enable ActiveX filtering. Deselect the feature to allow ActiveX usage.

Block WAN Requests

Block Anonymous Internet Requests  This feature makes it more difficult for outside users to work their way into your network. This feature is selected by default. Deselect the feature to allow anonymous Internet requests.

View Log  To view the logs, click View Log.

Wireless-G ADSL Home Gateway

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Linksys WAG200G manual Security Firewall, Additional Filters, Block WAN Requests
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WAG200G specifications

The Linksys WAG200G is a versatile wireless router that caters to the needs of both home and small office users, delivering a seamless internet experience. This device combines ADSL modem functionality with a wireless router, making it an all-in-one solution for connectivity. The WAG200G supports ADSL and ADSL2+ standards, ensuring compatibility with a wide range of internet service providers and facilitating speeds of up to 24 Mbps downstream.

One of the standout features of the WAG200G is its integrated wireless technology. It utilizes the 802.11g standard, allowing users to enjoy wireless connectivity with speeds of up to 54 Mbps. This is particularly beneficial for streaming media, online gaming, and downloading large files. The router also supports backward compatibility with the 802.11b standard, making it suitable for older devices.

Security is a critical concern for any network, and the WAG200G addresses this with robust encryption protocols, including WEP, WPA, and WPA2. These security measures help protect the network from unauthorized access, ensuring that personal data and sensitive information remain secure.

In terms of connectivity options, the WAG200G features four Ethernet ports for wired connections, providing reliable access for stationary devices such as desktops and gaming consoles. The router's DHCP server automatically assigns IP addresses to connected devices, simplifying the setup process for users.

The user-friendly web-based interface allows for easy configuration and management of the router settings. Users can set up filtering rules, configure firewall settings, and manage bandwidth allocation with ease. Additionally, the device offers Quality of Service (QoS) features, enabling users to prioritize bandwidth for specific applications or devices, thereby optimizing performance during peak usage times.

Another notable characteristic of the WAG200G is its compact and stylish design, making it a suitable addition to any workspace or home environment. The device is equipped with LED indicators that provide visual feedback on connectivity status, power, and activity, allowing users to monitor their network at a glance.

In summary, the Linksys WAG200G is a reliable and feature-rich router that combines ADSL modem capabilities with robust wireless networking. Its blend of speed, security, and user-friendly design makes it an ideal choice for users seeking a comprehensive connectivity solution. Whether for casual browsing, media streaming, or business applications, the WAG200G stands out as a solid choice in the competitive router market.
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