Sure enough, I had the same problem with two network (router box that did not see) I galérésur addressing up to crash the router. But looking [...] I understood that we should not connect the wire from the box on the router yellow input (as was done previously). Indeed, it is labeled Internet, it is therefore a function that has internet connection via the box, but no connection to the home network of the box), if one branch there, the router up its own network. We must connect the box to a wired Ethernet network (among 4), and then uncheck the router's DHCP function, for it to be the box that provides IP identifiers.