Cable Modems & Gateways

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

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Discussions

CAX80 wifi occasionally hangs
I have had a CAX80 for several years, generally very good. Perhaps once a month the wifi stops working. The RJ45 connections still work fine. I power cycle the CAX80 and all works again for ...
bl1085
May 07, 2026 Place Cable Modems & Gateways
cax80
32Views
0likes
3Comments
CAX30 - wireless speed
I just got a new laptop with an Intel Wi-Fi 6E AX211 160MHz wireless card. I cannot get beyond 1201 Mbps, which is the same speed my previous laptop hit. Is there something I could have set...
Solved
mfhawn
Apr 25, 2026 Place Cable Modems & Gateways
cax30s
125Views
0likes
3Comments
Have CM400 modem with upload slowdowns that happen at regular intervals
I have a CM400 modem and lately I have experienced a slowdown of only my upload speed starting at a specific time of day between 7:30pm and 8pm for the past week. My upload speed goes from 30mbps bef...
Solved
eman970
Apr 18, 2026 Place Cable Modems & Gateways
not listed
422Views
0likes
12Comments
model CAX30 Netflix will not connect
Hello, Looking to see if there are any reported issues with nighthawk router after a power interruption . Seems Something is not allowing it to load Netflix. Keep getting connection failed code...
chipforex101
Apr 08, 2026 Place Cable Modems & Gateways
not listed
404Views
0likes
10Comments
Why is Xfinity blocking access to the spectrum analyzers?
Copied from a reddit discussion on the unofficial Comcast page. Could not get a definite answer. Recently discovered that port 8080 buy doing a port scan of the modems log in IP that Comcast is b...
strykerzr350
Apr 03, 2026 Place Cable Modems & Gateways
cm2000
195Views
0likes
3Comments
Problem with both PS5's in the house
Experiencing the same problem with both PS5's in the house. The only difference was changing to this router.
Solved
Mitsurongi
Mar 22, 2026 Place Cable Modems & Gateways
cax30s
185Views
0likes
2Comments
Can't get over about 200mbps on new CAX30 with Xfinity 1.2gbps plan
Hi! I've got a new Netgear Nighthawk AX6 CAX30 with firmware 2.2.4.2. I have the Xfinity 1.2gbps plan. On my PC I'm seeing speeds of about 200mbps. On the PC's 2.5G connection I'm seeing...
ultranothing
Mar 16, 2026 Place Cable Modems & Gateways
not listed
315Views
1like
11Comments
Accessing the USB drive in Linux
Hello, I have a Netgear AC1900 v2 Modem Router and I can’t see the USB drive I plugged into it. On page 55 of the Netgear manual, it describes how to access the USB drive from a Windows or Mac De...
CmonNow
Mar 13, 2026 Place Cable Modems & Gateways
not listed
355Views
0likes
5Comments
Comcast/Xfinity with CBR750
Hi. I am now having the exact same issue as you and I did everything you did with no results. How exactly did you do the splitter thing? I will try that next hoping it will resolve the issue. No one ...
Segui65
Mar 07, 2026 Place Cable Modems & Gateways
not listed
122Views
0likes
3Comments
CM3000 on Xfinity with 1200Mbit, onlt getting around 940Mbit with link aggregation
I just purchased a CM3000 for use with my Xfinity 1200mbit plan. It's currently running firmware 6.01.04. It was set up in link aggregation mode and connected to my router via ethernet ports 1 and 2....
Solved
emuman100
Mar 01, 2026 Place Cable Modems & Gateways
cm3000
294Views
0likes
14Comments