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bushes's avatar
bushes
Tutor
Nov 27, 2019

Xfinity Gigabit & CM1000 (Docsis 3.1 not active according to Xfinity)

Hello, I have Xfinity Gigabit and am running a CM1000 with an R7000 router and have never gotten over 500mb down while being hardwired. When speaking with a supervisor at Xfinity, he mentioned I am n...
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Nov 27, 2019

Also did you test your Speed with a wired PC connected directly to the modem with out the R series router being online? 

Try this first. 

 

Also be sure your model R series routers supports 1Gb WAN to LAN. Some older model routers do not, thus do no have any HW NAT accelleration or Cut Thru support which is needed to achieve speeds near 900Mbps WAN to LAN. 

bushes wrote:

Hello, I have Xfinity Gigabit and am running a CM1000 with an R7000 router and have never gotten over 500mb down while being hardwired. When speaking with a supervisor at Xfinity, he mentioned I am not getting my speeds because Docsis 3.1 is not active on my modem. He stated that I need to call Netgear and have them "Activate" Docsis 3.1 through a firmware update. Has anyone heard this before, and should I do a paid call to Netgear to have Docsis 3.1 activated?