A:AnswerI’m not sure on the buffering …
I definitely notice an improvement, since my older router/modum (Motorola) was 11 years old
I also added eero range extender to my two story home
Happy with the upgrades
A:AnswerIs your internet provider the same company as your cable provider? If it is then you will probably use the coaxial cable that provided television to connect to the internet. That is the way Cox works for me.