Engineering

How we design, run, and improve the network behind MegaLink — from field work in Naivasha to the systems that keep customers online.

ENG

Engineering10 November 2026·7 min read

When a customer router steals static IPs: containing ARP hijacks on an ISP edge

How we found and contained a customer router that was claiming other devices' IP addresses on our Naivasha network, using source guards and layer-2 blocks, without a service-wide outage.

By Ed Matenjwa

ENG

Engineering10 November 2026·4 min read

How we monitor uptime across our network

A look at the practical monitoring stack MegaLink uses — from tower links to customer-facing alerts — and what 99.9% uptime means in the field.

By Ed Matenjwa