I've got AT&T fiber and am using an ERX SFP in IP passthrough mode. I had IPV6 working fine with my previous cable service, and it was working with AT&T but I just noticed my LAN interfaces aren't ...
So I've had Xfinity 1 Gbps at our house for about 18 months. Downstream performance is consistently excellent, and reliable; it rarely fluctuates. But since Comcast STILL hasn't built out FDX, ...