I have a computer that is running Manjaro but since I moved into my new location when I try to use it on the internet the cable modem (Cisco DPC3941T) restarts. When I first moved in I had some time ...

I have IPv6 configured and working successfully with a Comcast / Cisco DPC3941T (bridge mode) and an Asus RT-N66U router. Works fine, that is, for 1 to 8 hours (maybe) following router boot. Then, ...