At my home router, I have the sub net mask as 255.255.255.240 /28. This means, I can have 14 hosts on my network. What would happen if a 15th host try to connect to my network. It simply wouldn't connect? If another logs off, it can connect?
What would happen if someone connects a router to my work network and setup their own network? Is there anyway to block it without going through each office and checking occasionally? I