Computer networks related blog posts and guides.
DNS problems cause more network outages than most engineers admit. A user reports “the internet is down.” You check the gateway. You check the firewall. Everything routes fine. Then you find it: a DNS server that never answers, or answers with the wrong record. Wireshark shows you the DNS conversation packet by packet. This guide…
You manage MikroTik devices through WinBox and track IP addresses in a spreadsheet. You configure each CRS switch and CCR router by hand. This process does not scale. Config drift creeps in. Documentation goes stale. One typo in a VLAN ID breaks a site.This guide shows you how to fix that problem. You will connect…
Last updated: July 2026 MikroTik has quietly become one of the most widely deployed networking brands on the planet — and one of the most contested, both in the marketplace and in cybersecurity headlines. This page compiles the most current, sourced statistics on MikroTik’s market position, adoption patterns, security landscape, and where the router category…
A production network without SNMP monitoring is a network where you learn about problems from angry users — not from dashboards. MikroTik RouterOS devices power thousands of enterprise, ISP, and WISP networks worldwide. LibreNMS is a free, open-source network monitoring system that polls those devices over SNMP and turns raw counters into graphs, alerts, and…
A DHCP (Dynamic Host Configuration Protocol) server hands out IP addresses, subnet masks, gateways, and DNS servers to clients automatically — so you never have to configure each laptop, phone, or IoT device by hand. On MikroTik, the DHCP server is built into RouterOS and takes just a few minutes to set up. This guide…
Is it worthy to get MTCNA, MTCRE or other MikroTik certificates in 2026? Continue reading… Table of Contents Executive Summary Where MikroTik Stands in 2026 Real-World Usage by Sector Real Data: Why MikroTik Is Still Relevant Why Engineers Still Choose MikroTik Downsides in 2026 Real Config Examples (RouterOS 7) Real ISP Architecture Scenario MikroTik vs….
Picture this: You’re managing a MikroTik router 200 miles away. You make what seems like a simple firewall rule change, press Enter, and suddenly—your connection drops. Your heart sinks as you realize you’ve just locked yourself out of a remote device. The phone starts ringing with complaints about network downtime, and you’re facing either an…
Dead zones. Buffering. That infuriating moment when your video call freezes because you walked from the living room to the kitchen. If you’ve ever struggled with unreliable Wi-Fi coverage across your home, office, or venue, you already know that a single router simply isn’t enough.The solution? Mesh networking — and if you want enterprise-grade control…
Picture this scenario: You receive a call at 2 AM about a network issue. You need to compare the current ARP table against yesterday’s data. Or perhaps a compliance auditor requests documentation of your DHCP lease assignments. How do you capture this data efficiently? MikroTik RouterOS does not support traditional Linux-style output redirection. You cannot…
A single compromised credential on a flat network can give an attacker full lateral movement across every server, workstation, and IoT device you manage.The fix is not another perimeter firewall rule. The fix is Zero Trust Network Access (ZTNA): a model where no user, device, or packet is trusted by default — regardless of its…
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