On Sun, 2020-02-16 at 19:55 -0600, Robert G (Doc) Savage via users wrote:
There is no technical reason for AT&T to lock this down. I might understand this for the VOIP and IPTV segments of the gateway. Those probably have very complex and proprietary DHCP configurations. But for the Internet data segment, not allowing the user to redirect the Primary DNS spec is not justifiable. I may be able to use a Ubiquity EdgeX router to set up a user space downstream from the residential gateway using a totally different address space from the default 192,168.1.0/24, but I'm running into a WiFi conflict between the gateway and the EdgeX router I haven't yet been able to resolve.
If you want to go down the route of setting up another router and WiFi network, you don't have to care about the ISP's WiFi. Just set up your own network and ignore theirs. Use a different channel, a different SSID, just treat theirs as if it were a neighbour's.