DIY Router on x86 E-Waste: OpenWrt and OPNsense

In previous installments of this series we looked at how creating a DIY router using an e-waste-level PC has changed over the years, before attempting to boot OpenWrt for x86 on it. After an initial SD card booting failure on one system, another system with a newer mainboard – an Intel Board D2500CC – was used which happily booted OpenWrt from an SD card inserted into a USB card reader. Unfortunately, OpenWrt didn’t see any usable Ethernet interfaces despite having no less than four Intel Ethern