Disabling all network connections?

[ericdude0]

Wondering if there was a way to disable all internet in a household without actually turning off the modem/router. What im trying to do is disable all internet to my desktop computer, THROUGH my laptop. This accounts for lan and wifi.

 

[eibgrad]

http://www.tomshardware.com/forum/41141-42-laptop-disconnect-home-network#t148181