Category Archives: Networking

Increasing Productivity with a Home Network

Have you ever thought about networking your computers at home? If you have a small collection of computers around the house (and a small collection of computer users), you can connect each one of those computers to one another and share data, software, and hardware including a single Internet connection. There are many creative uses for home networking,… Read More »

What is FTP?

FTP, which is an acronym for File Transfer Protocol, is a client-server protocol that allows users to transfer files to and from other computers over a TCP/IP network.

Securing Wireless Networks

Wireless networking has experienced a huge increase in popularity over the last couple of years. The necessary hardware is widely available to consumers, it is very affordable, and relatively easy to install and configure. Gateway devices, common called “routers” or “firewalls” by consumers, that allow users to share a broadband connection with and protect multiple computers on a… Read More »

OSPF Router Types

When you’re preparing to pass the BSCI exam on the way to the coveted Cisco CCNP certification, you can be quickly overwhelmed by the sheer amount of BGP and OSPF knowledge you must demonstrate a mastery of. One set of details that some BSCI and CCNP candidates underestimate are the differences between the OSPF router types.

Basic OSPF Configuration, Step by Step

OSPF short for Open Shortest Path First is a Routing Protocol used to select the best suitable route for packets within the network. OSPF basically an open standard protocol and not relate to any particular vendor. OSPF propagate the changes to all networks more quickly as compared to RIP and IGRP protocols then only send the changed part… Read More »

Application Layer Details

The application layer is the seventh level of the seven-layer OSI model. It interfaces directly to and performs common application services for the application processes; it also issues requests to the presentation layer.

Presentation Layer Details

The presentation layer is the sixth level of the seven layer OSI model. It responds to service requests from the application layer and issues service requests to the session layer.

Introduction to Network Protocols

The word protocol is derived from the Greek word “protocollon” which means a leaf of paper glued to manuscript volume. In computer protocols means a set of rules, a communication language or set of standards between two or more computing devices. Protocols exist at the several levels of the OSI (open system interconnectivity) layers model. In the telecommunication… Read More »

LLC Sublayer Details

According to the IEEE 802 family of standards, Logical Link Control (LLC) is the upper sublayer of the OSI data link layer. The LLC is the same for the various physical media (such as Ethernet, token ring, and WLAN).