Glossary

Chapter 7: Glossary

Chapter 7

ARP (Address Resolution Protocol )

ARP is a TCP/IP protocol for mapping an IP address to a physical machine address that is recognized in the local network, such as an Ethernet address.

A host wishing to obtain a physical address broadcasts an ARP request onto the TCP/IP network. The host on the network that has the IP address in the request then replies with its physical hardware address.

Inverse ARP (In-ARP), on the other hand, is used by a host to discover its IP address. In this case, the host broadcasts its physical address and a RARP server replies with the host's IP address.

DHCP (Dynamic Host Configuration Protocol)

When operates as a DHCP server, the ADSL Router assign IP addresses to the client PCs on the LAN. The client PCs “leases” these Private IP addresses for a user-defined amount of time. After the lease time expires, the private IP address is made available for assigning to other network devices.

The DHCP IP address can be a single, fixed public IP address, an ISP assigned public IP address, or a private IP address.

If you enable DHCP server on a private IP address, a public IP address will have to be assigned to the NAT IP address, and NAT has to be enabled so that the DHCP IP address can be translated into a public IP address. By this, the client PCs are able to access the Internet.

LAN (Local Area Network) & WAN (Wide Area Network)

A LAN is a computer network limited to the immediate area, usually the same building or floor of a building. A WAN, on the other hand, is an outside connection to another network or the Internet.

The Ethernet side of the ADSL Router is called the LAN port. It is a twisted-pair Ethernet 10Base-T interface. A hub can be connected to the LAN port. More than one computers, such as server or printer, can be connected through this hub to the ADSL Router and composes a LAN.

The DSL port of the ADSL Router composes the WAN interface, which supports PPP or RFC 1483 connecting to another remote DSL device.

NAT (Network Address Translation) IP Address

NAT is an Internet standard that translates a private IP within one network to a public IP address, either a static or dynamic one. NAT provides a type of firewall by hiding internal IP addresses. It also enables a company to use more internal IP addresses.

RTA230 specifications

The Dynalink RTA230 is a high-performance router designed for both home and small business environments, offering reliable connectivity and multiple features that enhance the user experience. With a sleek and compact design, it fits seamlessly into various spaces while delivering robust performance.

One of the standout features of the RTA230 is its dual-band Wi-Fi capability, which supports both 2.4GHz and 5GHz frequency bands. This dual-band functionality allows users to connect multiple devices without experiencing significant interference or lag. The 5GHz band is particularly useful for high-demand applications, such as streaming videos in 4K, online gaming, and video conferencing, where speed and stability are crucial.

The router supports the latest Wi-Fi 5 (802.11ac) technology, offering faster speeds and improved connection quality compared to its predecessors. With combined speeds of up to 1.9 Gbps, the RTA230 is well-suited to handle a variety of online tasks, from basic browsing to intensive bandwidth applications. This technology ensures users can enjoy seamless connectivity throughout the home or office.

Another key characteristic of the Dynalink RTA230 is its impressive range. Equipped with advanced antennas, the router provides excellent coverage, eliminating dead spots and ensuring that users can remain connected even in larger spaces. This makes it an ideal solution for multi-room setups, where consistent signal strength is a priority.

Security is a major consideration for any network device, and the RTA230 does not disappoint. It offers robust security features, including WPA3 encryption, which ensures greater protection against unauthorized access. Additionally, the router includes a built-in firewall and other essential security protocols to safeguard user's data.

The Dynalink RTA230 also supports easy installation and management through its user-friendly interface. Users can quickly set up their network using a mobile app or web-based interface, where they can manage connected devices, set parental controls, and monitor network traffic, all from the comfort of their smartphone or computer.

In summary, the Dynalink RTA230 is a versatile router that combines speed, range, and security into a single package. Its dual-band Wi-Fi, support for the latest technology, and user-friendly management options make it an excellent choice for anyone looking to enhance their Internet experience, whether at home or in a small office environment.