BGP.guru

BGP.guru

Nerd blog.

06 Aug 2025

RouterOS User Manager in Routed Networks

I've been testing out using RouterOS User Manager as a RADIUS server for a small network. It has been working fairly well, but I did run into one issue (twice) so far...
16 Jul 2025

RouterOS 7 Container Test

A simple test of the container functionality in RouterOS 7. We build a custom go binary, build a container for it, export that container, import that container on the router, and run it!
24 Jun 2025

Mikrotik CRS3xx Switching

MikroTik has been known in the WISP wireless world for a long time for their wireless PTP and PTMP products. However more recently they have also started making WiFi products aimed at home, office, and enterprise networks. They also have several series of "Cloud Router Switches". This is about the CRS3xx series, specifically the CRS309-1G-8S+.
23 Jun 2025

Duplicate MAC Address Madness

This is a story about when I had duplicate MAC addresses on a network, and the particular way the chaos ensued.
22 Jun 2025

RouterOS 7.x Filtering

Some real-world Mikrotik RouterOS 7.x filters.