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GNS3 Installation and Configuration Step by Step in Windows
GNS3 (Graphical Network Simulator) is one of the most popular network simulator software used by hundreds of thousands of network engineers worldwide to emulate, configure, test and troubleshoot virtual and real networks. GNS3 supports a large number of vendors such as MikroTik, Cisco, Juniper, Windows, Linux and many other vendors. GNS3 can be installed on Windows, Linux and MAC Operating System. In this article, I will show how to download and install GNS3 application in Windows Operating System. I will also show how to configure a basic network in GNS3 that will communicate with the real networks. GNS3 Download for Windows Operating System GNS3 is completely free and open source software. So, it can be downloaded from its official website without any charge. In GNS3 official website, the installation file is found for major three operating platforms (Windows, Linux and MAC). The following steps will show how to download GNS3 installation file (.exe) for Windows Operating System. Go to GNS3 official website (gns3.com) from your favorite web browser. You must Sign Up and Login before any download. So, Sign Up and Login with your personal information. Now click on DOWNLOAD menu item. GNS3 current version (now it is 2.1.9) information [...]
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MikroTik Router Integration and Configuration on GNS3 | September 19, 2018
GNS3 is a network simulator software used by hundreds of thousands of network engineers worldwide to emulate, configure, test and troubleshoot virtual and real networks. GNS3 can talk a large number of network vendors including MikroTik. MikroTik introduces Cloud Hosted Router (a RouterOS version) that is used to run as virtual machine and a virtual machine can easily be integrated with GNS3. So, network administrators who are fond of MikroTik Router can now configure, test and troubleshoot their MikroTik network [...]
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Unlocking Digital Opportunities: A Beginner’s Guide to Computer Networking | October 14, 2025
Summary Computer networking has created the digital world, enabling communication networks that unite various regions of the world and connect any device in some way or another. Networking provides new opportunities to secure employment, act as freelance workers, or even pursue volunteer work, which is why it is worth investing in for career development. Being practical should be valued even more than theory. Even after setting up a home lab, reviewing real projects, and consulting trusted sources, you will learn [...]
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Create System Restore Point in Windows OS | August 27, 2015
System Restore utility in windows operating system helps a windows user to take one or more snapshots of his/her windows system when windows operating system is working well. If any system crash occurs in future due to virus attack or critical system update or any unwanted program, the system can be reverted to its previous snapshot when windows OS was working well. So, System Restore utility in windows operating system is a very helpful service for windows users to protect [...]
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How to Assign VMware ESXi License Key | December 4, 2021
No doubt VMware is the pioneer in virtualization world. VMware can be used either premium or free based on licensing. In the previous article, I discussed how to install VMware ESXi on a physical server or machine and then I also discussed how to get VMware ESXi free license from VMware website. Getting VMware ESXi license key either premium or free, we may sometimes get confused how to assign the license key in VMware ESXi host. So, in this article [...]
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Why ISPs Should Embrace TR-069 ACS to Stay Ahead of Competitors | May 22, 2023
As the telecommunications industry becomes more competitive, local ISPs need to find ways to stay ahead of larger telcos and offer services that meet the changing demands of their customers. One of the solutions to this challenge is to implement TR-069 ACS server to help streamline network management, reduce costs, and increase efficiency. In this article, we’ll explore why the TR-069 ACS server is essential for medium-sized ISPs to stay competitive in today’s market. We’ll examine the challenges these ISPs [...]
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MikroTik RouterOS Device Mode: Home, Basic, and Advanced – and Their Impact on Hotspot Setup | November 4, 2025
MikroTik RouterOS offers flexible configuration options for everything from home routers to ISP-grade hotspots. When setting up your MikroTik device, you’ll see a Device Mode option in Quick Set — allowing you to choose between Home, Basic, or Advanced modes. These modes define how much control you have over the router’s features and directly affect your ability to create and manage a Hotspot network. In this guide, we’ll explain each mode, show you how to check and change device mode [...]
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Download YouTube Video with Firefox Add-ons | August 26, 2015
YouTube is the most popular video sharing website. Statistics shows that YouTube is the second popular website of the world. So, it is nothing to say that you are a YouTube fan like me. As a YouTube fan, sometimes you may need to download YouTube videos which you like. Although, you often get an extra bandwidth for YouTube video streaming from your ISP now a days so that you can watch your favorite YouTube video without any buffering. But it [...]
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Firewalld Installation and Configuration in Ubuntu Server | May 5, 2022
Firewalld is an awesome host based firewall management tool for Linux Operating System. Firewalld has developed on Fedora but it is now available for almost all Linux distributions. So, Firewalld can be installed in Ubuntu Server although Ubuntu Server has UFW as the default firewall system. Firewalld is more robust and easy to maintain than UFW, I think. So, I am going to discuss how to install and configure Firewalld in Ubuntu Server. Installing Firewalld in Ubuntu Server By default [...]
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MikroTik Site to Site OpenVPN Server Setup (RouterOS Client) | April 9, 2018
VPN (Virtual Private Network) technology provides a secure and encrypted tunnel across a public network. So, a private network user can send and receive data to any remote private network through VPN tunnel as if his/her network device was directly connected to that private network. MikroTik OpenVPN Server provides a secure and encrypted tunnel across public network for transporting IP traffic using PPP. OpenVPN Server uses SSL Certificates. So, OpenVPN Tunnel is a trusted tunnel to send and receive data [...]
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