Developing Clearly Adventures in Coding and IT

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NAT Introduction and basic configuration on a Cisco Router

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What is NAT? NAT is short for “Network Address Translation”. The basic purpose of NAT is to translate private IP addresses which are used inside the company into public (global) IP addresses. NAT is primarily used to conserve global IP addresses because it allows many IP-enabled devices to use a few public IP addresses. It’s really easy to see NAT at work. For instance, at your...

Introduction to Routing

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As you may or may not know, communication on the Internet uses packets for transmitting data. So, every time your computer communicates with a computer on the Internet, IP packets are used to transmit and receive data. Your computer by itself can’t deliver the packets all the way to the destination, so it relies on other networking hardware on the way over to do its part. We could say that...

Virtual LANs – Introduction and basic operations

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VLANs? That doesn’t sound like a Web Design or Development theme!” And you’re right! From now on, I’m adding Networking to the Blog categories, and VLANs are going to be my first post. Virtual? LAN? Of course, we all know what a LAN is. It is a network which connects computers and other devices and is typically located in our home or office building. LAN enables our devices to...

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