What you need to do know is the biggest part of the deal : install the GNS3 server and connect your physical client to it.įirst, wire your server to your local LAN and install a tool such as LookAtLAnĪnother easy-to-use tool : with it, as your server is first configured with DHCP, you’ll be able to find it’s newly allocated address. When you are asked to, remove the USB flash and reboot the computer.Ĭongrats !!! Now you have an “almost” fully-functional Linux server, happy ?!!! This is the username you’ll need to login to your server (no GUI, command line only). Take care to remember the username and password associated to it when you go through the installation process. Power it back on and enter the setup by hitting a key or combination keys (check out the following link that might help you)Īnd check whether the option to allow the USB boot sequence is enable, modify the value if needed, save the changes, insert your USB flash into a USB plug and reboot the computer.Īfter a while the installation process starts, it may take a while but just answer the question (mainly by leaving all the default values as selected). Now, power off (if it’s not) the PC that will be your server. Very easy to use and create your own bootable USB flash. Then, in order to load the iso file into the tiny PC, I had to store the file on a USB flash and make it bootable, so I searched for a tool to do that and found this one : I chose Ubuntu so I downloaded a LTS (this is very important to install the LTS and not the last, potentially buggy, version of the OS) so I went to this page :Īnd downloaded the ubuntu-18.04.4-live-server-amd64.iso file The first thing I did was to download an ISO for the OS I wanted to install on the server. Believe me !!! But I guess that if you want to practice GNS3, you already know all that better than I do!!! In order to follow this process you must, at least have a basic understanding of virtual machines, VPN, and CLI Linux, or if you haven’t, just be curious, search and ask, you’ll find a way.as I did. That’s it !!!).Īnyway, my point is to share with you the links and tools that helped me in that lab and give you a kind of step by step process (starting from my W10 physical laptop), in a single document, of what I did to succeed. Since there’s a lot of experts on that matter on internet, I won’t bore you with technicals details and problem that I had to deal with to obtain what I decided to ( and this article is pretty much as equally important for me regarding that as it is from a technical point of view : I’m not an expert nor a specialist, but, I’d decided what I wanted to obtain so I kept focusing on it until it’s been done. First attempt, almost it but.not really satisfying for me :.Indeed, by chance, I had a not-so-old unused little computer (HP prodesk 600 G1) doing nothing so that it would be a good candidate for that role. The problem was that, of course I had to pay for that, but I also didn’t own those servers, nor couldn’t I use them and maintain them as I wanted, really instantaneously, and to be a bit trivial, in French we say that I sometimes prefer to put « Les mains dans le cambouis » (literally get my hands dirty !!!), so I asked myself whether it may be possible that I store my own dedicated server at home (for completion, this article is indeed dedicated to a personal infrastructure as in the professional environment, of course there are many more powerful (and expensive tools !!!), and the answer you guess, was yess !! I started to look at GNS3 installation on a remote server (virtual or bare metal) stored in the cloud (AWS, Azure, or this kind of providers). The other reason why I needed a more personal installation, is that I wanted to be able to work with that, securely, from every where, just holding my laptop and mobile phone (I’m lucky to have a 130 Gigs of data monthly so why not use them for that purpose too !!!). I installed it and played with it for a couple of weeks the « traditional way » : that is, locally installed on my computer and running an extra VM in that computer.Īs my computer is really not built to support the extensive topologies that you can build with GNS3, it started to work slowly until a point where I couldn’t run no more than 6 to 10 IOS instances in the VM so I needed a more powerful infrastructure. Although Cisco packet tracer is a great tool, I wanted to move forward to a next level into simulation and, thanks to some guys as and his awesome training videos, I discovered the wonderful GNS3 tool.
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