So my ISP just changed old CMTS ( DOCSIS 3.0) to new Cisco CMTS (DOCSIS 3.1).
I am using ASUS RT-AC68U and ASUS RT-N66U.
New CMTS is Cisco cBR-8:
https://www.cisco.com/c/en/us/products/video/cbr-series-converged-broadband-routers/index.html
Me and alot of my friends that are on this ISP have...