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Linksys RT31P2-NA Networking Basics, An Introduction to Local Area Networks, Use of IP Addresses

Models: RT31P2-NA

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Broadband Router with 2 Phone Ports

Chapter 2: Networking Basics

An Introduction to Local Area Networks

Simply put, a router is a network device that connects two networks together.

The Router connects your local area network (LAN), or the group of PCs in your home or office, to the Internet. The Router processes and regulates the data that travels between these two networks.

The Router’s Network Address Translation (NAT) technology protects your network of PCs so users on the Internet cannot “see” your PCs. This is how your LAN remains private. The Router protects your network by inspecting the first packet coming in through the Internet port before delivery to the final destination on one of the Ethernet ports. The Router inspects Internet port services like the web server, ftp server, or other Internet applications, and, if allowed, it will forward the packet to the appropriate PC on the LAN side.

The Use of IP Addresses

IP stands for Internet Protocol. Every device in an IP-based network, including PCs, print servers, and routers, requires an IP address to identify its location, or address, on the network. This applies to both the Internet and LAN connections.

There are two ways of assigning IP addresses to your network devices.

A static IP address is a fixed IP address that you assign manually to a PC or other device on the network. Since a static IP address remains valid until you disable it, static IP addressing ensures that the device assigned it will always have that same IP address until you change it. Static IP addresses are commonly used with network devices such as server PCs or print servers.

If you use the Router to share your cable or DSL Internet connection, contact your ISP to find out if they have assigned a static IP address to your account. If so, you will need that static IP address when configuring the Router. You can get the information from your ISP.

A dynamic IP address is automatically assigned to a device on the network. These IP addresses are called dynamic because they are only temporarily assigned to the PC or other device. After a certain time period, they expire and may change. If a PC logs onto the network (or the Internet) and its dynamic IP address has expired, the DHCP server will assign it a new dynamic IP address.

Chapter 2: Networking Basics

nat (network address translation): NAT technology translates IP addresses of a local area network to a different IP address for the Internet.

static ip address: a fixed address assigned to a computer or device that is connected to a network.

dynamic ip address: a temporary IP address assigned by a DHCP server.

dhcp (dynamic host configuration protocol): a protocol that lets one device on a local network, known as a DHCP server, assign temporary IP addresses to the other network devices, typically computers.

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An Introduction to Local Area Networks

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Linksys RT31P2-NA manual Networking Basics, An Introduction to Local Area Networks, Use of IP Addresses
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RT31P2-NA specifications

The Linksys RT31P2-NA is a versatile voice-over-IP (VoIP) router designed to seamlessly combine internet connectivity with telephone services. Targeted at home users and small businesses, the device acts as a gateway through which users can connect multiple computers and internet-enabled devices while also facilitating digital phone services.

One of the standout features of the RT31P2-NA is its ability to support multiple voice lines, allowing users to make and receive calls while simultaneously using the internet. This dual functionality is made possible by its built-in VoIP capabilities, which leverage Session Initiation Protocol (SIP) technology, ensuring high-quality voice calls without interruptions from internet traffic.

In terms of connectivity, the router includes a standard Ethernet WAN port and four Ethernet LAN ports, providing ample options for wired connections to various devices. This setup is ideal for households or small offices that require stable, high-speed internet access across numerous devices. Additionally, the router features two telephone ports, allowing users to connect traditional analog phones directly for VoIP services.

Security is a key characteristic of the RT31P2-NA. It incorporates advanced security protocols such as WPA2 encryption and firewall capabilities to protect users' networks from unauthorized access and cyber threats. The router also supports Quality of Service (QoS) features, enabling users to prioritize bandwidth allocation for voice calls and other critical applications, ensuring minimal lag and superior call quality.

The design of the RT31P2-NA is user-friendly, with an intuitive interface that simplifies the setup process. The integrated configuration wizard helps users connect to their internet service and set up telephony services with ease. Furthermore, firmware updates can be easily managed, keeping the device secure and running optimally.

Moreover, Linksys is known for its reliable customer support and warranty services, which enhance the overall experience for users. The RT31P2-NA is a robust option for individuals and small businesses looking to streamline their communication needs while enjoying reliable internet connectivity. Whether for personal use or office applications, this router delivers a balanced mix of performance, functionality, and ease of use.