Category Archives: Computer Networks

Getting started with OpenVSwitch

There are different blogs available online which talk about how to get started with openvswitch but they don’t tell you much about the technicalities. They just give you a whole bunch of commands and somehow all of it works but if the scenario is changed a little then nothing works out. So here’s my attempt to clarify things a little more.

Here’s what I am trying to do  :

  1. Install OpenVSwitch on my system.
  2. Create 2-3 Virtual Machines and connect them directly to the network which host is a part of. That means my VM will become part of the actual Network and can be reached by any system on my LAN.

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Switch vs Router : They are not the same.

I have seen people using terms “Switch” and  “Router” interchangeably. But please note that they are completely different.

Switch is used to create a network whereas Router is used to link different networks.  They might look similar in appearance but they are different.

I will not explain the difference in terms of layers because that gets confusing and you have to have a good understanding of network layers for that. But to simplify things: Continue reading