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The OSI Model
The Application layer of the OSI model is where users communicate with the computer. The Application layer is responsible for identifying and establishing the availability of the intended communicati…
Cisco Routers
If you’re tired of setting up SPAN sessions to capture network traffic transiting your network and Cisco router, it’s time to start using Cisco’s Embedded Packet Capture (EPC), available from IOS 12…
Supernetting & CIDR
This articles build upon our previous pages covering  what is Supernetting (Route Summarization) & How Supernets Work and Supernetting In-Depth Analysis - Learn to Identify and Create Supern…
Cisco Services & Technologies
By: Arani Mukherjee & Chris Partsenidis For a successful networking professional it is essential to gain information on-the-fly about the network infrastructure he or she is working on. For a su…
VPN Services & Guides
VPN Services have become a necessity for users concerned about their online privacy and security. With literally hundreds of thousands of attacks daily, exploits and security vulnerabilities being di…
Linux - Unix
What is Server Virtualization? Server virtualization is the process of apportioning a physical server into several smaller virtual servers. During server virtualization, the resources of the ser…
Cisco Routers
This article provides an in-depth explanation of PPP Multilink and shows how to configure a Cisco router to use PPP Multilink between two serial interfaces (WIC-1T). We'll show you the commands that…
Cisco Switches
Many companies are seeking for Cisco SFP alternatives to help cut down the costs on these expensive modules. A frequent customer problem with Cisco's new line of Catalyst switches is that they do no…
Network Protocols
Internet has been around in its current form since the 1980s. What started off as an in-house project in ARPA in 1958 rapidly expanded into what we know today as the Internet. IPv4 as a protocol has…
OpManager - Network Monitoring & Management
Demands for Enterprise networks to properly support mobile users is on a continuous rise making it more than ever necessary for IT departments to provide high-quality services to its users. This arti…
Windows Servers
With Windows 2016 Server already making its way into data centers Windows 2016 Server Licensing is becoming a very hot topic. Windows 2016 Server is jam-packed with a number of advanced features incl…
Network Fundamentals
Unicast is a communication method used in computer networking where data is sent from a single sender to a specific destination device. In this method, the sender sends the data packet to a uni…

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