Setting up a DIY router using Fedora 41 and an old PC

* "NetworkManager: Set up an Access Point?": https://discussion.fedoraproject.org/t/networkmanager-set-up... (discussion.fedoraproject.org/t/networkmanager-set-up-an-access-point/138829)

* "WAN direct internet connection from a Fedora (Server) computer to the Internet Network through a PPPoE over-VLAN setup": https://discussion.fedoraproject.org/t/wan-direct-internet-c... (discussion.fedoraproject.org/t/wan-direct-internet-connection-from-a-fedora-server-computer-to-the-internet-network-through-a-pppoe-over-vlan-setup/144395)