different network topologies
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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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MikroTik RouterOS User Authentication via RADIUS Server | November 19, 2017
MikroTik RouterOS has a strong local user database that is enough to manage a single MikroTik RouterOS user. But if your network has more than one MikroTik Routers, it is always better to use a RADIUS server to manage RouterOS user centrally. MikroTik User Manager RADIUS Server is a centralized user authentication and accounting application that gives the ISP Company or network administrator ability to manage not only RouterOS users but also PPP, Hotspot, DHCP and Wireless users. How to [...]
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MikroTik Hotspot Login by HTTP CHAP, HTTP PAP and HTTPS | July 25, 2020
MikroTik Hotspot uses various types of login methods. Among these login methods HTTP CHAP, HTTP PAP and HTTPS are basic and important login methods. So, a MikroTik system administrator should have proper understanding on Hotspot HTTP CHAP, HTTP PAP and HTTPS login methods. In my previous article I discussed how to configure MikroTik Hotspot using Winbox. In this article I will discuss how to use HTTP CHAP, HTTP PAP and HTTPS login methods properly in MikroTik Hotspot Server. MikroTik Hotspot [...]
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FreeRADIUS User Profile Configuration for MikroTik Router | January 10, 2019
FreeRADIUS is a high performance RADIUS application that accepts a large number of network devices as RADIUS Client including MikroTik Router. FreeRADIUS MySQL module helps to get user authentication and authorization information from database server and to store user accounting information in database server. Configuring MySQL user group and profile properly, freeRADIUS user restriction can easily be maintained. How to configure user group to apply user limitation was discussed in my previous article. In this article, I will discuss how [...]
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CentOS 7.5 Installation with GUI and LVM Partition | March 7, 2019
Red Hat/CentOS Linux is a popular server operating system. Specially who work on mail server, web server, web proxy server, ftp server and file server are so familiar with the Red Hat/CentOS Linux. In my previous article, I discussed how to install CentOS 7.5 Linux step by step with the standard partition. But if you want to work on mail server, web proxy server, ftp server, file server or any other application where disk space changes frequently, the standard partitioning [...]
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MikroTik Bandwidth and Resource Monitoring with Graphs | January 31, 2018
“Am I getting my committed bandwidth?” is a common question to any network administrator. This question may arise either from your customer or from your owner if you are an employee of any organization. If you feel boring hearing this question and want to establish a system where your customer will be able to inspect his bandwidth usage, MikroTik Graphing is your best friend. MikroTik Graphing can be used to display graphics for traffic which is passed through interfaces and [...]
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WiFi Station Setup in MikroTik Wireless Router | November 27, 2019
MikroTik Wireless Router is capable of working as a WiFi Client. So, if any ISP provides WiFi connection for their clients, MikroTik Wireless Router can be used to connect to that ISP SSID by configuring wireless station mode. MikroTik WiFi station mode finds available SSID and connects with permitted SSID. This wireless connection can be used as wireless WAN connection and configuring LAN, multiple devices can get internet over this wireless WAN connection. In my previous article, I discussed how [...]
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MikroTik Hotspot HTTPS Redirect and HTTPS Login Setup | May 24, 2020
MikroTik Hotspot is one of the most popular services in MikroTik Router. It is a policy to authorize network clients before to access local network resources as well as public network resources through MikroTik Router. In my previous article I discussed MikroTik Hotspot Configuration using Winbox. But default MikroTik Hotspot configuration faces HTTPS Redirect and HTTPS Login issues. To solve these issues, MikroTik Hotspot HTTPS configuration is required. So, in this article I will discuss how to configure MikroTik Hotspot [...]
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How to Bind Hotspot User to MAC and Static IP in MikroTik | November 6, 2020
MikroTik Hotspot is usually a user based Hotspot access controlling system. Internet access and bandwidth can easily be maintained with Hotspot user based system. But sometimes we may require more control on Hotspot system which is not possible only username based system. So, we may need to bind hotspot user to MAC and static IP address. If we can bind hotspot user to static IP address, it is easy to control Hotspot users with MikroTik Router and Firewall. So, in [...]
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MikroTik DHCP Server Configuration with Radius Server | January 24, 2018
The Dynamic Host Configuration Protocol (DHCP) is a client-server protocol that is used to assign an IP address and other network configuration parameters dynamically to each device on a network so that they can communicate with other IP networks. DHCP Server is popularly used in an Enterprise Office Network because in an office network various types of IP devices such as Laptop, Desktop, Tablet, Smartphone, IP Phone and so on are maintained and almost all IP devices support DHCP. An ISP Network can also be [...]
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