MAC address binding in DHCP server
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MikroTik Router Static DHCP Server Configuration
DHCP Server assigns IP address and other related IP information (Subnet mask, Gateway and DNS) automatically to network devices. But automatic DHCP Server has some disadvantages too. If any IP device connects to any automatic DHCP network, the device will get an IP address and related IP information automatically by the DHCP Server and the device will start to use resources of this network. In this situation, the network administrator cannot know who is being connected to the network and using network resources such internet bandwidth, network printer and server. This unauthorized access is obviously a security issue of any network. But network administrator can prevent this unauthorized access to his network by applying static DHCP Server strategy in MikroTik Router. Static DHCP Server Strategy A network administrator can prevent unauthorized DHCP client access to his network by applying static DHCP Server strategy in MikroTik Router. Static DHCP server strategy is also known as MAC address binding with DHCP server. In a static DHCP network, the user of any IP device must provide MAC address to the network administrator to get IP address and related IP information such as Subnet mask, Gateway and DNS. Any IP device will not get [...]
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MikroTik PPPoE Server with Radius User Authentication | December 17, 2017
MikroTik PPPoE Server is popularly used in ISP Companies. Almost all Local ISP Companies use PPPoE service to manage their client’s connection. So, PPPoE Server Configuration places an important role in MikroTik RouterOS. MikroTik PPPoE Server configuration with local user database has been discussed in my previous article that is enough to manage PPPoE users for a single RouterOS. But if you have more than one RouterOS in your network or you need to manage your users remotely and more [...]
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Restrict Internet Access Based on MAC Address in MikroTik | February 4, 2017
MikroTik router has a lot of features by which a network administrator can design his network as he likes. As a network administrator, sometimes you may need to allow internet access some specific devices. If other devices try to access internet, they will be rejected by your router. For example, say, you have configured a simple network like below diagram. In this network, you have configured WAN, LAN, Gateway, DNS and NAT. Also you have created queue rules for limiting [...]
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MikroTik HotSpot One to One NAT/Universal HotSpot NAT | September 27, 2020
MikroTik Hotspot is an awesome service that can be customized widely. When MikroTik Hotspot is enabled on an interface, it adds dynamic destination NAT rules which will redirect all HTTP and HTTPS requests from unauthorized users to the Hotspot authentication proxy. So, no user can get internet access in Hotspot network without authentication. MikroTik Hotspot also uses one to one NAT providing an IP address from selected IP Pool and this IP address handles user’s data and limitation. Sometimes we [...]
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How to Get VMware ESXi Free License | November 5, 2021
You are here that means you are finding how to get ESXi free license because you have installed ESXi 6.7 or ESXi 7 and 60 days trial license has been expired and then all virtual machines have been powered off or you want to use VMware ESXi absolutely free of charge. Whatever your requirement, it is a good news that VMware provides free license with some limitations to use VMware ESXi absolutely free of charge. So, if you have a [...]
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How to Install Extra Packages in MikroTik RouterOS | October 10, 2019
MikroTik RouterOS does not always include all the packages those are developed by MikroTik team. So, sometimes you may find that some packages are missing in your RouterOS such as NTP package, DUDE package, Wireless package, CAPsMAN package and so on. Specially, user manager package which is totally a separate MikroTik RADIUS package used to manage user authentication, authorization and accounting is always missing. Also upgrading RouterOS or downgrading RouterOS you may find that some packages are missing there. So, [...]
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MikroTik RADIUS Server Setup with User Manager – RouterOS7 | August 4, 2022
MikroTik User Manager RADIUS Server is an awesome service for user Authentication, Authorization and Accounting (AAA) for a small or medium business. User Manager RADIUS Server can be used to maintain Hotspot, PPP, DHCP, IPsec, Wireless and System User authentication. In RouterOS 7, User Manager has come with new features and looking, specially, maintaining from Winbox. As User Mange package does not come with the default system package in RouterOS 7, we have to install User Manger package manually before [...]
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MikroTik Router Web Proxy Configuration | August 28, 2016
A Proxy Server is usually placed between users and the internet so that the proxy server can track the activities of any user. Formerly, a proxy server was mainly used for caching the static content of any web server because the internet speed was too slow. So, users would get high speed for browsing as if they were browsing a local server. But nowadays the internet bandwidth has increased. So, the proxy server is usually not used for web caching [...]
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FreeRADIUS MySQL Database GUI with phpMyAdmin on CentOS 7 | January 30, 2019
FreeRADIUS is a high performance RADIUS Server that accepts a large number of networking devices as RADIUS Client including MikroTik Router. MySQL is one of the best user sources for freeRADIUS server. In my previous article, I discussed how to install freeRADIUS server on CentOS 7 and how to integrate MySQL module with freeRADIUS server. I also discussed how to create user group and profile in MySQL database server and authenticate MikroTik PPPoE client with MySQL database user. I used [...]
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MikroTik Hotspot Setup with Radius Server (User Manager) | January 6, 2018
Hotspot is one of the most popular services in MikroTik Router. It is popularly used in Hotel and Restaurant, Railway Station or Airport, School or University Campus and so on. Even ISP network and office network also use MikroTik Hotspot for authenticating network clients/users. Hotspot user can be managed with Hotspot’s local user database or with a Radius Server. Radius Server gives facility to manage Hotspot user’s bandwidth and accounting easily and centrally. So, Hotspot setup with Radius Server can [...]
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