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Computer Network Topology Outline
The first thing that has to study about a network is its physical shape or design layout. It will be extremely important when a wiring scheme and design are selected for a new network installation. Actually Network Topology refers to physical shape or design layout of a network. Network topology determines how different nodes in a network are connected and how these nodes communicate to each other. Types of Computer Network Topology Network really has two shapes or two types of topology. Physical topology Logical topology Physical Topologies The physical topology is the physical shape or layout of the wires that can be visible in a network. The Physical topology defines how devices are interconnected with or without wires. Physical topology is further divided into two sections. Point-to-point connections Multipoint connections Point-to-point connections In a point-to-point connection, a communication link is established between two devices with one wire or air (in the case of wireless). A simple example of point-to- point connection is talking over telephone between two persons where anyone else is not allowed to use the phone on either side. Multipoint Connection Multiple devices or machines are involved in a multipoint connection. These devices mainly share cabling but [...]
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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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GNS3 Installation and Configuration Step by Step in Windows | September 14, 2018
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 [...]
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MikroTik VLAN Routing Configuration with Manageable Switch | July 11, 2018
A VLAN (Virtual LAN) is a group of computers, servers, network printers and other network devices that behave as if they were connected to a single network. VLAN is a logical topology that divides a single broadcast domain into multiple broadcast domains. VLAN is a layer 2 method. So, a manageable switch is required to manage VLAN in your network and a router is required to route and control your inter-VLAN. VLAN increases network security and performance as well as [...]
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MikroTik VPN Configuration with PPTP (Connecting Remote Client) | August 17, 2016
VPN (Virtual Private Network) is a technology that extends private network across a public network. It enables private network users to send and receive data across public network as if their network devices were directly connected to the private network. There are many VPN services in MikroTik RouterOS 7. Among them, MikroTik PPTP is a mostly used VPN service. It is a client-server VPN technology. So, a user can access server, printer, IP phone and any other network devices of [...]
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MikroTik Site to Site SSTP VPN Setup with RouterOS Client | May 14, 2020
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. Secure Socket Tunneling Protocol (SSTP) transports PPP tunnel over TLS channel. SSTP uses TLS channel over TCP port 443. So, SSTP VPN can virtually pass through all firewalls and proxy servers. Because of using TLS [...]
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VMware ESXi 7.0 Installation and Basic Configuration | December 1, 2020
VMware vSphere is the pioneer in virtualization world. No other virtualization software is as feature rich as VMware vSphere. More than 500,000 enterprise data center are now using VMware vSphere. It is expected that most of the data center will be turned into virtualization in near future. As VMware vSphere provides more feature than any other virtualization software, it is also expected that demand of VMware vSphere will increase day by day. VMware ESXi is the foundation of VMware vSphere [...]
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How to Import SSL Certificate in MikroTik RouterOS | January 16, 2022
SSL/TLS Certificate is used to make secure communication between server and clients. MikroTik RouterOS has a lot of services such OVPN, SSTP VPN, HTTPS, Hotspot and so on those use SSL/TLS certificate. It is possible to create self-signed certificate in MikroTik RouterOS but self-signed certificate faces untrusted CA warning. So, it is always better to use trusted CA either freemium or premium. In my previous article, I discussed how to get a free SSL/TLS certificate from Zero SSL but Zero [...]
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VLAN Routing Configuration between MikroTik RouterOS | September 27, 2018
VLAN (Virtual Local Area Network) is a logical topology that divides a single broadcast domain into multiple broadcast domains. It increases network security and performance as well as improves network efficiency. MikroTik VLAN routing configuration with manageable switch was discussed in previous article. Today we will learn how to configure VLAN between MikroTik RouterOS. This Router to router VLAN (layer3 VLAN) is useful when any ISP provide connection to one or more local ISPs who use MikroTik Router to maintain [...]
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MikroTik Radius Configuration with FreeRADIUS and MySQL | December 18, 2018
FreeRADIUS is a modular RADIUS suite. A lot of modules such as Perl, python, MySQL etc. can be integrated with freeRADIUS to enrich freeRADIUS features. MySQL is one of the best user and client sources in freeRADIUS server. One of the important advantages of MySQL with freeRADIUS server is that MySQL can easily be controlled with a lot of programming languages including PHP. So, freeRADIUS users and their authentication, authorization and accounting can easily be controlled graphically using MySQL database [...]
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