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. These products can be centrally managed with Controlled Access Point system MANager, or CAPsMAN.
This blog post is about an actual real life, local network situation that happened several days ago. This is an excellent learning example about a perfect storm of small things causing a network outage. It is also an excellent learning example of how logs of what happened in public BGP via MRT files can be extremely useful.
I've spent some time trying to manually install Fastnetmon community edition on Ubuntu 18.04 Bionic Beaver. I was unsuccessful. However, I didn't do an apt-cache search fastnetmon. There is a package in universe. Bionic Beaver also includes exabgp 4.0.2 by default.
I've been logging BGP route updates into MySQL for some time but this doesn't scale well, and on my hobby VM system, requires that I dump the DB and start over once a day.
This year I've build two totally different MPLS Service Provider networks. One network has limited MPLS with VPLS on MikroTik, the other is a full MPLS L3VPN on HPE Comware gear.
