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Forum Discussion
Slow internet speeds
I have a Comcast internet Pro+ plan. It is the 1000Mbps service. I consistently see speeds at around 200Mbps or slower when testing with the Nighthawk app for the Router. Speedtest.net tests on pc's...
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 speed test with a wired PC directly connected to the CM modem with out the NG router in the mix. IF you you have the R6400 series router, this router may not be capable of supporing near 900Mbps on the WAN to LAN speed tests.
I constantly see the "make sure there is no splitter" suggestion in troubleshooting internet speeds. Please explain how to connect a Netgear (Or any other brand) Cable Modem/Router to Xfinity's ONE Coaxial Cable while at the same time connecting that SAME coaxial cable to Xfinity's Cable TV Set Top DVR or Cable box. Even Xfinity says this about the splitter when trouble shooting and it's not possible to not use a splitter unless Xfinity runs two seperate Coaxial Cables to your home from the pole. If the speeds suck because you're using a good quality splitter to create two connections, which are necessary in almost every home, then by design the system is the problem. I have never had a speed problem fixed by doing most of the generic fixes and it has never been caused by a splitter. lol
Depending upon the kind of splitter and quality of said unit, these can and do cause problems. .
Redcape wrote:I constantly see the "make sure there is no splitter" suggestion in troubleshooting internet speeds. Please explain how to connect a Netgear (Or any other brand) Cable Modem/Router to Xfinity's ONE Coaxial Cable while at the same time connecting that SAME coaxial cable to Xfinity's Cable TV Set Top DVR or Cable box. Even Xfinity says this about the splitter when trouble shooting and it's not possible to not use a splitter unless Xfinity runs two seperate Coaxial Cables to your home from the pole. If the speeds suck because you're using a good quality splitter to create two connections, which are necessary in almost every home, then by design the system is the problem. I have never had a speed problem fixed by doing most of the generic fixes and it has never been caused by a splitter. lol