Amazon.com: MOGINSOK 2.5GbE Linux Firewall Micro Appliance Celeron N5105 4xIntel I226 Nic Firewall Router PC Barebone No Ram No SSD AES-NI : Electronics
DIY Linux Router Part 2: Interfaces, DHCP and VLAN
GitHub - chr0mag/linux-wireless-router: Archlinux-based wireless router configuration for PC Engines' APU2C4 hardware.