Chapter 3: Networking

packet, these applications are designated by their port number. Port 80, the standard HTTP

port, is an example of a port number.

The Networking section of the router performs many elegant functions by recognizing

different packet types based upon their contents, such as source and destination MAC

address, IP address, and ports.

Three Networking Modes

Your gateway can be configured to provide connectivity between your cable company and

your home LAN in any one of three Networking Modes: CM, RG, and CH. This mode setting is

under the control of your cable company, who can select the mode to match the level of home

networking support for which you have subscribed. All units ship from the factory set for the

RG mode, but a configuration file which the cable company sends the cable modem section

during its initialization can change it.

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Illustrations contained in this document are for representation only.

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Gateway TWG870 user manual Three Networking Modes

TWG870 specifications

The Gateway TWG870 is a versatile and robust residential gateway device designed to provide seamless internet connectivity and multifunctional capabilities for home networking. One of its standout features is its integrated DSL modem, which supports ADSL and ADSL2+ standards, ensuring reliable high-speed internet access. With download speeds reaching up to 24 Mbps, users can enjoy smooth streaming, gaming, and web browsing experiences.

Equipped with a built-in 4-port Ethernet switch, the TWG870 allows multiple wired devices to connect directly, enhancing network stability and performance. In addition to the wired connections, the gateway also features integrated Wi-Fi technology, specifically IEEE 802.11n, which offers better coverage and faster speeds compared to previous wireless standards. This enables users to connect their laptops, smartphones, tablets, and smart home devices wirelessly, creating a comprehensive home network without the clutter of cables.

Another significant characteristic of the Gateway TWG870 is its advanced security features. The device supports WPA/WPA2 encryption protocols, which safeguard users' networks from unauthorized access and ensure data privacy. Furthermore, with a built-in firewall, it adds an extra layer of protection against external threats, making it a reliable choice for families and individuals concerned about online safety.

The TWG870 also supports advanced Quality of Service (QoS) features, allowing users to prioritize bandwidth allocation for critical applications such as video conferencing or online gaming. This ensures a lag-free experience even when multiple devices are connected to the network simultaneously.

In terms of physical design, the Gateway TWG870 is compact and features a sleek appearance, making it suitable for placement in various home environments. Its user-friendly interface facilitates easy setup and configuration, enabling users to customize their network settings according to personal preferences.

Additionally, the device is compatible with various operating systems, ensuring broad compatibility across different platforms. With all these features combined, the Gateway TWG870 stands out as a reliable and efficient solution for home networking needs, providing users with the performance and flexibility required in today's connected world.