AT&T replace old modem with this model mentioned above. All is fine when directly connected to computers, but Airport Extreme (with TC, B,G,N compatible, flat white model), and Airport Express (B,G,N, flat white with power cord) won't connect to internet when plugged in. What's also very weird is when I connect the modem to my Leviton 8 port 100/10 Mbps Ethernet switcher, my Mac Pro won't connect either through the switcher, and wierder yet, a guest staying in my home has a new Airport Extreme, the tower type, and the switcher connects that device to the internet, no problem. Any ideas on this issue?
