@terziyski Didn't make any changes to the routing, should be just defaults. On my network there used to be some IOT/Smart home was connected to the C7, but after it stopped working, i've moved them...

@terziyski the default gateway wasn't their for some reason, now it's showing up, and dns seems to work? but no internet connection the dns on the first router is Primary: 8.8.8.8, Secondary:1.1.1.1

@terziyski Here's the nslookup and ipconfig/all after removing all the optional dns config from dhcp, this all looks like it's working, but still no internet connection .

@terziyski here it is when behind the other router, all settings are defaulted after a factory reset, only configured dns. What would the problem be for the clients? I've tried explicitly setting the...

@terziyski Yes sorry, I mean to say router mode is not working and only AP mode works. I don't think it's an issue with double NAT, cause even when I remove the first router, so that the C7 is...

My archer C7 router in AP was working perfectly fine, but then it suddenly stopped working overnight. Wifi and lan device cannot connect to the internet. Doing a tracert shows that the packet arrives...