GoKawiilNetworking blog catalogs common misconceptions engineers hold about how LANs behave
A programming-focused post lists dozens of widely believed but often incorrect assumptions about local area networks, covering NAT behavior, MAC address uniqueness, DHCP configuration, protocol assumptions, and reachability between devices on the same subnet. The list format deliberately states each falsehood as if true, following the popular 'Falsehoods Programmers Believe' meme style used for other technical domains.