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Solved
RBR750 issue: 50% speed slowdown
I've owned several Netgear routers, starting with WNDR3700. I purchased the RBR50 once the firmware began to get some good reviews, and it worked well. To keep up with the introduction of WiFi 6 I pu...
I have a reconditioned/refurbished/refreshed RBR750 on the way, due to arrive tomorrow. Thanks to the three of you who responded. Too bad no one has a solution for lightning strikes. đ
I will mark this case "Solved," since the more I have thought about it the more I have concluded that lightning is not a scapegoat but the cause.
conductor wrote:I've owned several Netgear routers, starting with WNDR3700. I purchased the RBR50 once the firmware began to get some good reviews, and it worked well. To keep up with the introduction of WiFi 6 I purchased directly from Netgear the RBR750 in May 2021. Somewhere between July 4, 2022, and last week the download speed of that product fell to 50% (actually a little less) of what my cable ISP subscription provides. A speedtest by the Orbi software on that date showed download speed of 206 Mbps and upload speed of just over 16 Mbps. Noticing that download speed had suffered since then, I began a thorough investigation.
I have not read before of people's Orbi's losing download speed due to Orbi hardware issues, so let's first make sure of your speed measurements. You seem to be relying upon the Orbi's own speed test so also confirm by running speedtest.net ion a PC connected by wired network (not wireless) to your Orbi base router. It should return near to what your cable ISP supplies.
Do you have a cable modem or a combination modem/router? If the latter then Double NAT will also cause substantive speed drops (two routers doing the same work). You can verify this by comparing the http://orbilogin.com / Advanced tab / Internet Port / IP Address to what https://canyouseeme.org/ says for Your IP. If the IP addresses are not the same, then you have Double NAT.
I also would think that hardware breakdown is rare. I've not experienced such a thing with the 7 or so routers I own/have owned. There are 3 speedtests: (1) in the Orbi software, (2) on a Firefox browser on "the last Intel iMac," and (3) on the iPhone 13 Speedtest app. They all agree.
The modem is a Motorola MB8600 Docsis 3.1. There is no "double NAT," and even if there were it would be for all three routers in the comparison.
Thanks for your comments.
Are the satellites wired paired to Orbi router or wireless? What other wired devices do you have in your network?
Two satellites use the 5G wireless backhaul. Those connections are stable and have not varied before or after the slowdown.
The Orbi router has wired connections to the iMac, a Synology Diskstation, and an Apple TV. All but the iMac were OFF for testing.
One satellite has a wired connection to another computer that is OFF for testing and, in fact, ON only occasionally. The other satellite has no wired connections.
Thanks for the questions.
