I just upgraded from DOCSIS 3.0 to 3.1 or from about 200 Mbps to paying for 1 Gbps from ISP. Initially my speed only jumped about 100 Mbps after replacing my old DOCSIS 3.0 ARRIS modem with a new Netgear CM1000. Testing alone on the modem showed I was getting close to the 1 Gb. When I conncted...
