I floated your article to the Comcast guy on Twitter and not surprisingly he said the problem lies with the modem. http://tr.im/2bs8

Quoted from him, "That is what happens when a modem is not connected to the network."

I don't but that at all. It doesn't begin to explain why the Modem ACK. Good luck trying to get further.

Keep us in the loop.

RE: Comcast's DHCP is broken