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Nighthawk R7000 Slow Internet Passthough Speed Weird Problem Help

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July 5, 2014 8:16:17 AM

I just bought a new combo pack of the Motorola SB 6141 and the Netgear Nighthawk R7000. I cannot figure out is the problem I am having with the Internet speed. If the cable modem is wired directly to the PC I get about 92MB download speed and 12MB upload. However, once the cable modem is plugged into the Netgear Nighthawk and then wired to the PC my download speed drops to 12-15MB and 12MB upload. This is true on the wired side as well as the wireless side.


I cannot figure what is wrong. I updated the firmware on the Netgear but still have this issue. I even RMA’d the first Nighthawk I received since it did the same thing but now that this is the second one I have no idea what the issue is.

Has anyone ever seen this? If I hook up my old wireless G router I have the same issue so it has something to do with the DOCSIS 3.0 and the router. I have also tried changing cables etc.
July 6, 2014 7:01:36 PM

I just wanted to let anyone who finds this thread the problem had to do with Comcast assigning a IPV4 versus an IPV6 address. The problem went away after a few cycles of the router and comcast refreshing the signal. I hope this helps someone else out. Also, to add some more info my laptop can get 92 megs download via the wireless but my desktop wireless adapter is capping out around 40 megs a second. The location for the laptop and desktop were done right beside each other so I ordered a new wireless adapter for my desktop to see if i can squeeze 90 megs out of the new one.
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September 5, 2014 8:59:45 PM

mikedahammer said:
I just bought a new combo pack of the Motorola SB 6141 and the Netgear Nighthawk R7000. I cannot figure out is the problem I am having with the Internet speed. If the cable modem is wired directly to the PC I get about 92MB download speed and 12MB upload. However, once the cable modem is plugged into the Netgear Nighthawk and then wired to the PC my download speed drops to 12-15MB and 12MB upload. This is true on the wired side as well as the wireless side.


I cannot figure what is wrong. I updated the firmware on the Netgear but still have this issue. I even RMA’d the first Nighthawk I received since it did the same thing but now that this is the second one I have no idea what the issue is.

Has anyone ever seen this? If I hook up my old wireless G router I have the same issue so it has something to do with the DOCSIS 3.0 and the router. I have also tried changing cables etc.


I am having the same issue, I also have the SB 6141; before I upgraded to the Nighthawk I was getting 96 for my download now am getting 50...Just to make sure I installed my old router and it jumped back up to 96. No help from netgear support they want 300 to 400 to config my router and clean my laptop.. ummmm yea ok... Really thinking about sending this back to Amazon....

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September 8, 2014 6:22:44 AM

I am still having an issue with comcast and the 6141 and the nighthawk. Comcast has come out to my house and has acknowledged that there is an issue but has not provided any fix. The were supposed to the maintenance crew check the nodes and the street connections but no one has gotten back to me. I am going to flash the router to dd-wrt by Kong to see if that makes it more stable. I am still struggling with the situation and wish I had a more definitive answer for you.

Maybe me telling you I still have issues is enough for you to decide to send it back, but if you figure out your issue let me know because maybe it is the same on mine. Sorry I could not be more helpful.
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less than a minute ago

Another thing to make sure you check, or anyone else that has this problem, is your QOS setting.

I was having an issue where my upstream bandwidth was topping out at 1.2Mbs via the R7000, but 5Mbs when I was connected directly to my cable modem.

Under the Advanced tab, then setup, then QOS. QOS was enabled, and it was configured for 1.2. So all of my speedtests and real uploads were getting constrained.

http://kb.netgear.com/app/answers/detail/a_id/23852/~/h...
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