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Forum Discussion
Need to restart CM1200 on a regular base to get 100% Internet speed both Up and down
I have had for 6 months. Every now and then I see my internet drops to 10% speed - 20/30 MPS. I notice most weekends as thats when I play games. I pay for 300 MPS. When I turn on and off and it sometimes jumps up 300 MPS. This does not always work - thus I assume in those cases its the Xfinity/Comcast
Trouble shooting
- Tried Factory Restart
- Tried Complete Disconnect
- Power Cycled entire network
- All Computers on ethernet/with cable
- Mutiple computers with latest OS both Mac and Windows
- Have latest updates
Devices
Cable Modem
NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black
Firmware V3.02.01
Router
NETGEAR Nighthawk X10 AD7200 802.11ac/ad Quad-Stream WiFi Router, 1.7GHz Quad-core Processor, Plex Media Server, Compatible with Amazon Alexa (R9000)
Firmware V1.0.5.18
7 Replies
Is LAG enabled on the CM Modem?
Test with a wired PC connected at the router and not wireless?
Have the ISP check the signal and line quality UP to the modem.
Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
Be sure to power OFF the modem for 1 minute them back ON.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853I would try to test with the router disconnected and a wired PC connected to the CM modem.
Thank you for taking the time. LAG was enable and I am not using it, will turn off.
There is a splitter, and its hs only one output.
Will your other suggestions. Thank you
Ok, disabling of LAG should help along with any splitter removal.
There was a known issue with LAG enabled and in use on the 1200 however it was fixed in recent FW. I hope enabled or disabled, LAG should be a factor. Hopefully the router FW update will be helpful as well.
> [...] I see my internet drops to 10% speed - 20/30 MPS. [...]
"see" how, exactly? Using a device with a wired or wireless
connection?> 6. Have latest updates
> [...] (R9000)
> Firmware V1.0.5.18I see "V1.0.5.24".
Visit http://netgear.com/support , put in your model number, and look
for Downloads. (For older versions, under Firmware and Software
Downloads, look for "View Previous Versions".) Find the kit(s).
Download the kit(s) you want. Read the "Release Notes" file for
instructions. (In the User Manual, look for "firmware", and,
especially, for a topic like "Manually Upload Firmware to the Router".)Failing a helpful User Manual:
> Need to restart CM1200 [...]
How did you decide on the modem, rather than the router, as the
source of the trouble? When the problem occurs, I'd yank the router,
connect a computer directly to the modem, and see if the problem
remains.I might also restart the router instead of the modem, and see if that
helps.> [...] This does not always work [...]
Another reason to doubt your current blame assignment. A Web/forum
search for your router model might find some complaints about it and its
speed.Thank you for giving help. Good call on the Router update. Now done.
The problems only started after getting the cable modem.
The router I now turn off every time i restart the Modem
