Cable Modems & Gateways

Discuss Cable (C and CM series) modems and gateway products.

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Discussions

Extend Wifi Service
I just installed a Netgear CAX30 modem/router on my Xfinity service and all is well. However the wifi signal is weak in some parts of the house and I think I need to extend the signal in some way. Wh...
Russellgs1
Sep 08, 2026 Place Cable Modems & Gateways
cax30s
26Views
0likes
2Comments
Can't Call My Brother
I have an RBE972S (RBE971 router with 2 RBE970 satellites) system using a CM2050V cable modem. I can not connect to two telephone numbers that are cell phones on an AT&T network. No known problem co...
krgoodwin
Aug 24, 2026 Place Cable Modems & Gateways
cm2050v
133Views
0likes
6Comments
CAX80- Login/firmware/smartconnect
To whom this may concern: I have a few issues that I could use assistance with. I wanted to login in to my router...I got past the UN/PW page, then, entered my serial number. I got...
Duaneomatt
Aug 17, 2026 Place Cable Modems & Gateways
cax80
129Views
0likes
6Comments
NOTICE: CM3000 cable modem v6.01.04 Firmware Released
Getting some reports that this version of FW is being seen on CM3000 series modems from CC/XF ISP. Not sure if other ISPs will be seeing this. Maybe at some point. This seems to follow up on la...
FURRYe38
Aug 13, 2026 Place Cable Modems & Gateways
cm3000
1.4KViews
0likes
20Comments
Netgear CM1100 firmware update help
I have a netgear CM1100 modem. My internet provider, Sparklight, does NOT update my modem, how do I update the firmware since they do not. Sparklight ONLY updates equipment that a customer rents fro...
Dkdman
Aug 11, 2026 Place Cable Modems & Gateways
2.2KViews
0likes
9Comments
Settings for 3d printer with web interface. Widows 10/chrome
hello, I have a new 3d printer that uses a web interface to control it and a ethernet cable between the device and the modem/router. The initial set up goes like this- I connect to the printers co...
3DPmicro
Jul 29, 2026 Place Cable Modems & Gateways
Troubleshooting
806Views
0likes
1Comment
Xfinity Says I Need To Replace My CM3000
Hello, A couple of days ago I had a technical support call with Xfinity regarding a streaming issue. During the call, they checked modem status and claimed that the modem was generating errors. T...
DudeRides
Jul 25, 2026 Place Cable Modems & Gateways
cm3000
419Views
0likes
12Comments
Uplink Solid Amber
Hi all, I have the Nighthawk 2.5Gbps Cable Modem (CM2000). The uplink indicator is a solid amber. Through ethernet I'm getting close to 20mb up and 14mb through Wi-Fi. Point is I don't think it's ...
justindedge
Jul 14, 2026 Place Cable Modems & Gateways
not listed
49Views
0likes
1Comment
"US profile assignment change. " and "DBC-REQ Mismatch" in modem event log
Every once in a while I'll get a massive lag spike that I can plainly see happen because I am running PingPlotter while playing a game to monitor my connection. Since I don't know what is causing it ...
Solved
zeth07
Jul 05, 2026 Place Cable Modems & Gateways
cm2000
124Views
0likes
3Comments
Help to install Nighthawk ax6 router modem
I have a new Nighthawk AX6 WiFi router modem model cax30. I am having great difficulty getting it up and running. I need help
Solved
hootie119
Jul 02, 2026 Place Cable Modems & Gateways
cax30s
161Views
0likes
4Comments