When you wanted to build and practice Paloalto lab, you have got multiple options. You could try physical gears if you can afford one, else virtualize them. In this blog, we will deploy the Paloalto firewall in gns3 with management IP and one public-facing interface connecting to the internet. The Palo alto firewall works perfectly …

You wanted to work with firewall, mainly the checkpoint firewalls, but you don’t know where to begin with and no prior experience with firewalls either, then you are in the right place. Even if you have experience with the firewall but just wanted to spin up the lab in GNS3, that’s fine too. In this …

I have covered many blogs on how you can install a network device in gns3. However, sometimes the challenge is to get the gns3 devices to talk to the local network or your host PC. If you get that setup, you can access the network device GUI from your local machine browser or ssh from …

When I started my Paloalto firewall journey, it wasn’t easy. I am from a network routing and switching background, and initially, when I had a chance to work with Palo alto firewall, I was a little hesitant. Eventually, I set up the Palo alto firewall lab and started to practice. Slowly I began to get …

You wanted to install the windows 2019 server on a hypervisor and the option that you have right now is to use the QEMU KVM hypervisor. Then you are in the right place. And when it comes to virtualization I love KVM, as it is Open-source and free too. Whenever I had to choose between …

The other day I was working on adding some of the Redhat servers into production for monitoring. I also got the SNMP community string from the team that is managing the monitoring tools as well. I was very confident that I even informed them that I would configure the SNMP on the server in another …

In the last few blogs, I covered how you can install different Operating systems in a KVM host. Now some of you are wondering I got this guest OS installed, but how do I manage it in the command line.In this blog, let’s take a look at some of the useful KVM command line commands …

Even though we have virtual Nuage NSG, let’s think for a second that we have got a brand new NSG’s at our branch locations and we are going to deploy them as Branch 1 and two like below. 🙂 Creation of NSG in an Enterprise. Different methods of bootstrapping Nuage NSG. What is Auto-bootstrapping NSG …

What is the underlay and Overlay network? When it comes to Nuage-SDWAN there are two types of networks that we have to use. First one is called the underlay network and the second one is called the overlay network. The underlay network is nothing but our traditional network which would help us to connect all …

In my previous blog, I covered the underlay network setup for Nuage in KVM. In this blog, I am going to cover the Nuage VSD installation lab guide and on the next part of the blog, we would go through the installation of the nuage components one by one. What is Nuage VSD (Virtual Service …

In our last section of the Nuage sdwan lab setup, we had installed VSD, which is the nuage networks VNS management plane. In this section of the lab guide, we would go ahead and install a SD-WAN controller known as VSC (Virtual Service Controller.) Wha is Nuage VSC ? VSC is the Nuage SDN’s controller, which …

I love Ubuntu, especially when I wanted to work with python programming, But I also love windows 10 because of its GUI and the vast variety of software support. In the last blog, I covered how you can install windows 10 on Centos/Redhat KVM. But in this tutorial I going to cover the Debian derivative …

When you want to install the windows 10 operating system on a virtualized environment or for your personal PC, many wonders where you can get windows 10 iso download, this blog will show you how you can download windows 10 iso images directly from Microsoft. Note: Though you can download the image for free, you …

When you wanted to test something in your machine its better to use a virtual environment. you can play around with the machine and even if you mess up something with the virtual machine, you can still restore them. Since the VM environment and the physical host environment is separate, whatever you do on the …

Have you ever thought you would wanted to take a backup of the ilo license key and you are unable to find the key using neither ILO CLI console nor ILO GUI ? and Ended up seeing the key like below with just 4 characters of the license shown ? Activation Key xxxxx-xxxxx-xxxxx-xxxxx-ABCDE Then you …

Most of the network engineers whom I know have worked with mainly Cisco gears and not Hpe Comeware devices, Including myself 🙂 And my transition wouldnt been easier if there was no GNS3. To get familiar with the Comware devices, what I have done is.. I have downloaded and installed Hpe VSR to my gns3. …

I have a CentOS machine but there are times I would wanted to switch from CentOS to Ubuntu, how do I do that ? You can have a dual boot with both the Centos and the Ubuntu but if you wanted to switch from Centos to Ubuntu then you would have to shut down the …

The Redundancy protocol is very common in any enterprise network that you look at it. When it comes to providing layer3 redundancy there are multiple protocols available for you to choose from, each provides its own advantages and disadvantages. Based on your requirement, there are redundancy protocols such as HSRP, GLBP, and VRRP, let’s look …

I have covered few blog posts about installing VM’s such as Centos, Ubuntu, Windows on different hypervisors. However, the installation of CentOS 8 on the VMware workstation was totally different story. When the CentOS 8 came out I thought let me spin up the CentOS 8 on my VMware workstation. Guess what ?, The installation …

How you install the traditional network devices?A skilled technician would go on to the site to deploy the router and connect cables on them and make sure everything is working.But how to implement SD-WAN gateway? You cannot install SD-WAN gateway in our case NSG (Network Service Gateway) just like that. You would have to do …

Yes, we are almost there to get everything up and run.! I am building this lab for you guys and at the same time, writing this post, that way I hope everything would be accurate. In this lab, we are going to install the Nuage proxy server, also known as nuage utility VM, so let’s …

There are a few features that are not available out of the box in Ubuntu. One such feature is SSH. If you ever install Ubuntu desktop on your machine and expect the ssh to work by default, it doesn’t. You would get an error message that says ‘The remote system refused the connection’ However, in the Ubuntu server …

When you install Redhat Linux enterprise or a CentOS on a server, by default, it takes the display resolution as 800 x 600 or 1024 x 768. Also, when you go to display settings and try to modify the display resolution, you would be disappointed to see that there are no options available to increase …

I recently installed Ubuntu on my VMWare workstation pro, and I realized that I need to transfer some files from my windows host machine to the Ubuntu Guest OS and vice versa. There are many ways you could transfer files from linux to windows . Lets look at the simple and easiest ways to transfer …

You are here because you wanted to learn about Nuage SD-WAN and its lab setup. For me, I don’t like to read more of theory when it comes to learning new technologies. I would instead do a lab first and make some mistakes and learn from them. By the time I finish the lab, I …

There are many ways you could configure a DNS server. If you are a network engineer and wanted to build a private DNS server for a small office, you can prefer to configure a router as a DNS server than configuring a Linux or a Windows machine for the same purpose, right? In this lab, …

We all have configured Routing protocols and heard about the term ASN/AS numbers (Autonomous system number). However, when it comes to BGP, have you ever wondered what ASN really is and how you can get one?In this blog, let’s answer what ASN is in the BGP routing protocol, and it’s differences and types. A BGP …

CentOS is one of my favorite Linux distros, I have been using them for quite a while for my labs as well as in POC’s. If I have to do some testing in the Redhat production servers I would prefer to use Centos as an alternate as both are identical and configuration looks the same …

I usually use the windows vm machine as a jump server inside my labs, that way I can move around the files and stuff quickly, sometimes I install the windows machine on the ESXi host else I would install it on the KVM.  For some, they wanted to use windows machines on their Linux box. …

When you are a network engineer or a developer, you may want to test your skills in a virtual environment rather than playing with your machine or production environment. Because you never know what could go wrong. What is VMware Workstation pro? VMWare workstation pro is a Software program that would let you install different …