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jpredison's avatar
jpredison
Follower
Dec 03, 2023

RBR50 slow internet at night

I have a Netgear Orbi RBR50 nesh system with 2 RBS50 satellites attached. All running latest firmware. I have Xfinity Gig internet service
Starting last week, I noticed that beginning 9pm or so my internet speeds bot hardwired and wifi have been dropping to under 20mps. Speedchecks in the morning give ne approx 866mps wifi and hardwired.
When I am getting 20mps wired, if I bypass the router and hookup directly to the modem, I get 866.
I have changed out the cat cables between modem and router, reset the router and now (today) during the day, I getting below 20mps (remember at least the daytime speeds were OK).
Somethings of note:
- After resetting the router, I uploaded a saved config file (saved when thigs were bad). Was this a mistake?
- I believe the modem is good (based on the speeds obtained when I bypassed the router)
- It is possible (but unlikely that I replaced bad cat cables with bad cables but just to rule this out I have new cables on order.

Can anyone point me in a direction to resolve this speed issue?

Thanks
Jim

1 Reply

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  • CrimpOn's avatar
    CrimpOn
    Guru
    Dec 03, 2023

    Being physical objects, Ethernet cables are not likely to change behavior from one minute to another.  If they operate at 866Mbps, then that's what they do.  Something else is causing the problem.  (There is no harm in changing out cables. It's just not likely to effect a solution.)

     

    Likewise, a configuration file represents settings, not behavior.  Regardless of when the configuration was saved, these parameters are the same when the system is producing high speed and when it is producing low speed.

     

    Intermittent issues are the very devil to diagnose.  What it sounds like is that some device on the network is overwhelming the router with data packets at specific times.  It might be worth keeping a record of the CPU load reported on the Orbi 'Debug' page: (http://orbilogin.net/debug.htm 

    On a scrap of paper, write down the CPU value when the system is performing well vs. when it is not.

    (The screen does not refresh automatically.  Use the 'page refresh' symbol in the web browser to update the page.)

     

    Does this slowdown affect devices connected directly to the router, devices connected to one (or both) of the satellites, or all devices?