Networks

I know a UDP joke, but you might not get it

Q.16 | Installing Cisco PacketTracer on Linux

As I've recently started studying for a CCNP DataCenter, I've come back to simulating networks. As the last time I've studied for a Cisco exam, I was still a Windows user (yuck!), I had to figure out how to install PT on Linux...

"Software-Defined" for Dummies

Have you ever stopped for a second while reading through VMware documentation to ask yourself - what exactly is the SDDC it keeps repeating every other sentence? Well, here's your anwer.

NSX.2 | How-to: NSX SSL VPN Plus

If you ever had to deal with setting up a proper VPN environment using regular tools, you are going to love it how simple it is (yet secure!) to manage your virtual private network(s) using the networking powerhouse VMware NSX.

NSX.1 | What is VMware NSX?

vRouters, vSwitches, vNetworks - VMware NSX is doing to networking what vCenter and ESXi did to physical servers years ago. The era of physical networks is slowly coming to an end.

E1000 vs VMXNET3 - Replacing a vNIC

Virtual Network Interface Cards (vNIC) are sometimes getting overlooked by virtualization administrators as for some it seems like they don’t matter much. Let’s see what happens after we switch good ol’ E1000 for VMXNET3 and what is the difference between the two.

OpenVPN Server Setup | Part 2

In this tutorial, we’re going to finish up the OpenVPN setup. What’s left to do is creating client configuration file (.ovpn), which is going to contain all the info required by the OpenVPN client for establishing a VPN connection.

OpenVPN Server Setup | Part 1

We’re all lazy, aren’t we? If you think about it for a second, everything you do is more or less aimed at making your life easier, simpler and less-time consuming. Think about your last project.

Virtual Router Setup

Essential network components are sometimes the hardest to configure without knowing the basics. When I first started working on a virtual environment, I didn’t even know I had to setup networking! It took me weeks to understand fully how all the VMware “parts” speak to each other.
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