In their wisdom, CenturyLink decided that the problem was that the service to our house was too close to the maximum loop distance to stay consistent (we're at 3910 feet, stated max is 4000). The...

I should have included that the C7 router is V4 and the firmware for it and the Zylel modem are both up-to-date. Rob

Model : Hardware Version : Firmware Version : ISP : CenturyLink actually referred me here. There are some line problems, but seem to be some issues between my C7 and a new CenturyLink c1100z modem,...