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Linksys WRVS4400N manual Networking and Security Basics Use of IP Addresses

Models: WRVS4400N

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Wireless-N Gigabit Security Router with VPN

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 dedicated network devices such as server PCs or print servers. Since a user’s PC is moving around in a network and is being powered on or off, it does not require a dedicated IP address that could be a precious resource in your network.

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. This IP address is called dynamic because it is only temporarily assigned to the PC or other device. After a certain time period, it expires 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. Most ISPs use dynamic IP addresses for their customers. By default, the Router’s Internet Connection Type is Obtain an IP automatically (DHCP).

For DSL users, many ISPs may require you to log on with a user name and password to gain access to the Internet. This is a dedicated, high-speed connection type called Point-to-Point Protocol over Ethernet (PPPoE). PPPoE is similar to a dial-up connection, which establishes a PPP session with an ISP server through the DSL connection. The server will also provide the Router with a dynamic IP address to establish a connection to the Internet.

A DHCP server can either be located on a designated PC on the network or another network device, such as the Router. The PC or network device obtaining an IP address is called the DHCP client. DHCP frees you from having to assign IP addresses manually every time a new user is added to your network. For this Wireless-N Router, a DHCP client is running on a WAN port for most configurations. A DHCP server is running on the LAN side to provide services.

By default, a DHCP server is enabled on the Router. If you already have a DHCP server running on your network, you MUST disable one of the two DHCP servers. If you run more than one DHCP server on your network, you will experience network errors, such as conflicting IP addresses. To disable DHCP on the Router, refer to the Basic Setup section in “Chapter 6: Setting Up and Configuring the Router.”

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.

Chapter 2: Networking and Security Basics

6

The Use of IP Addresses

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Linksys WRVS4400N manual Networking and Security Basics Use of IP Addresses
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WRVS4400N specifications

The Linksys WRVS4400N is a versatile and powerful wireless router designed to cater to the needs of both small businesses and home users. Combining advanced security features with high-speed networking capabilities, this device stands out in a crowded market.

One of the key features of the WRVS4400N is its support for simultaneous dual-band wireless networking. It operates on both the 2.4 GHz and 5 GHz frequency bands, allowing users to enjoy faster data transfer rates while minimizing interference from other devices. The router supports the 802.11n wireless standard, which can deliver speeds of up to 300 Mbps, ensuring smooth streaming, gaming, and internet usage without disruptions.

Security is a top priority for the WRVS4400N, as it comes equipped with robust firewall protection and the latest encryption technologies. It supports both WPA and WPA2 wireless security protocols, providing users with peace of mind knowing that their data is safeguarded against potential threats. Additionally, the router features a built-in VPN that allows secure remote access to the network, making it ideal for businesses with employees who work from home or on the go.

Another notable characteristic is its four Gigabit Ethernet ports for wired connections. These ports enable users to connect devices directly to the router, benefiting from high-speed, stable connections ideal for bandwidth-heavy tasks. The WRVS4400N also includes a USB port that allows for the easily connected sharing of printers and storage devices across the network.

The router's user interface is user-friendly, making setup and configuration straightforward even for those who are not tech-savvy. Linksys also offers firmware updates to ensure the router remains secure and performs optimally over time.

In summary, the Linksys WRVS4400N is a feature-rich wireless router that combines performance, security, and versatility. With its dual-band capabilities, robust security protocols, and wired connectivity options, it is an appropriate choice for users looking to enhance their home or small business networks.