MikroTik IPv6 Firewall Configuration: Secure Dual-Stack Networks
Secure MikroTik dual-stack networks with RouterOS 7 IPv4 and IPv6 firewall rules. Configure input and forward chains, ICMPv6, DHCPv6-PD, and safe inbound access.
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MikroTik Hardware Offloading Troubleshooting: Low Throughput, High CPU, and Missing H Flags
Troubleshoot MikroTik hardware offloading with practical RouterOS checks for missing bridge H flags, low throughput, high CPU, VLAN compatibility, and Layer 3 hardware routing.
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MikroTik Connection Tracking: Troubleshooting NAT, Sessions, and Firewall State
Learn how MikroTik RouterOS connection tracking powers NAT and stateful firewall rules. Inspect sessions, understand connection states, troubleshoot stale translations, and diagnose FastTrack and timeout issues.
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MikroTik NetFlow and Traffic Analysis with ntopng
Configure MikroTik RouterOS Traffic-Flow for ntopng-based traffic analysis. Learn the exporter architecture, NetFlow v9/IPFIX setup, validation, troubleshooting, and visibility limitations.
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MikroTik Bridge VLAN Filtering: A Complete Tagged and Untagged Port Configuration Guide
Configure MikroTik RouterOS bridge VLAN filtering with tagged trunks, untagged access ports, PVIDs, management VLANs, verification commands, and troubleshooting.
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MikroTik Policy-Based Routing: Routing Different Traffic Through Different Gateways
Learn how to configure MikroTik RouterOS 7 policy-based routing with routing rules or mangle marks, separate routing tables, NAT, verification, and troubleshooting.
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MikroTik DHCP Relay: Centralized IP Management Across VLANs
Applies to: RouterOS v6 and v7 (IPv4). Behaviour differences between releases are called out where they matter. Contents Why relay exists: the broadcast domain problem How RouterOS relay works: giaddr is the whole mechanism Architecture: where the relay sits in a VLAN design Configuring relay for multiple VLANs Server-side configuration: the relay= property Option 82:…
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MikroTik User Management: Groups, Policies, and Role-Based Access Control
Applies to: RouterOS v6 and v7. Policy availability varies by release; verify against your version’s CLI reference before rolling out. Contents How RouterOS authorisation actually works The policy reference Why the built-in groups are a poor RBAC baseline Policy negation: add versus set Designing a least-privilege role model Hardening the accounts themselves Centralised RBAC with…
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How to Upgrade and Downgrade MikroTik RouterOS Safely
A practical MikroTik RouterOS maintenance guide covering safe upgrades, backups, release channels, verification, exact-version downgrades, and RouterOS v6/v7 migration risks.
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MikroTik DNS Cache and Web Proxy: Optimizing Internet Access
MikroTik DNS Cache and Web Proxy: Optimizing Internet Access MikroTik RouterOS includes two built-in caching mechanisms that are often confused but serve very different purposes: the DNS cache and the web proxy cache. Used correctly, they reduce latency, lower upstream bandwidth consumption, and improve the browsing experience for LAN clients. Used incorrectly, they can waste…
