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, …
Countries around the world are going above and beyond to protect their citizens from internet threats. One example is that in some countries, which has made it impossible for its citizens to access social media sites. And in some of the western countries, they are using the internet to invade its citizens’ privacy, it only …
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 …
If you are using a MAC or Windows 10 as your operating system and wanted to try out a Linux operating system. And you are wondering what is the best Linux distribution out there that you can start with. The answer is Ubuntu desktop, it is a very popular Linux distribution that you can try …
What do you think is the best way for Network hosts to update its clock automatically?The answer to that is to use an NTP server, in this article lets find out what is NTP and its stratum values, and we would also configure Cisco and Comware routers as the NTP public and private servers. Read …
The VLC media player is great if you wanted to watch videos on your computer, tablet, or even on your smartphone. And the best part about this media software is that it not only play videos locally it also helps you stream videos over the network, meaning you can make your local machine as a …
I know how does DHCP works, but what if I want to configure my router as a DHCP server as well, is it possible? the answer is YES!, You can configure the Cisco router as the DCHP server and this blog we are going to cover the same. In the last blog, I covered how …
The gns3 has evolved from just a simulator for Cisco IOS to a multivendor environment.You can simulate the physical network virtually in gns3 and it works great! Wouldn’t be cool if we can get the host internet access shared to the gns3 that way the devices in gns3 can access the internet and you can …
I like to work on physical equipment when it comes to networking, but what if I cannot afford to own one, then the only option is to Virtualise them. I have been running a virtualized environment for both my Network POC’s and the Labs for years now using Gns3. Since Gns3 supports a lot of …
I was working on a topology where I had to add a Ubuntu desktop client to simulate the end-user machine. I tried to install Ubuntu on the KVM hypervisor. Downloaded the Ubuntu ISO file, moved the Ubuntu-desktop ISO file to /var/lib/libvert/images folder on the KVM server I was working on. Selected network configuration and started …
Most of the network professionals whom I know are very good at configuring and fine-tuning the internal routing protocols, and when I ask them about configuring BGP, they are like, ‘you know what, I am not so confident with it maybe I think I have to read a bit more about it before I spin …
I have covered what is VXLAN and the differences between the overlay and underlay network here, in this blog we are going to take a look at the overlay and underlay in action using nuage sd-wan lab. The underlay network topology. Below is the actual underlay network, The Branch 1 NSG is connected to two …
The other day I was working on a POC lab where I had to simulate a DNS server, Centos version 7 in this case in GNS3. It was for one of the nuage sdwan gns3 labs I was working on.Took a copy of centos DNS VM from existing KVM host, added into gns3 by going …
I was working on my CCIE BGP lab the other day using Cisco IOU.While I was at it I had to advertise Loopback interfaces using Rip ver 2 so that I could create IBGP full mesh using the loopback. but it turns out, RIP was not working in my lab. This was the network topology …