I'm using ATT fiber and have set IP Passthrough on. It worked fine correctly in the past and I was able to ping my external IP/tplink ddns but there are times when it loses connection. Like the past f

The only thing I like about this one is that when it works, it's fast. I can max my 1gb internet speed with ATT fiber. But this isn't stable. There are issues and never experienced that with the netge