I found this great device, but with use, I find very annoying dysfunctions hopefully behind a CPL, which rises to 500 mb on paper but not in practice exceeds 200, behind a Livebox 3 in 1 Gb (theoretical), we find ourselves almost every day with the unreachable network and an IP address changed (by observing the details of the LAN in Win7, I see that the switch tables no longer contain my 192.168.1.x network but 169.254.xx!); the only way that the switch rebuild its tables is to turn it off and on again (it's boring). By browsing the internet on forums, I could see that many people have the same problem: it is the v4 GS105 and it seems that Netgear be deaf. Too late to go back, I am for my expenses (2 units). I gave my old switches waiting to find better ...