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djbauman92's avatar
djbauman92
Tutor
Apr 27, 2020

Nighthawk AX8 slow download speeds.

I have a Nighthawk RAX80 wifi 6 router.  For some reason the max download I can get out of the device is around 400-450.  I have tried wifi, and ethernet both with just one device connected at a time.  I have factory reset the router and my modem (Netgear cm1000) both.  I have replaced ethernet (CAT-7) cables on both, still nothing.  I have xfinity gigabit internet and I had a tech confirm I am getting 1 gig to the house.  Im gettng 1 gig to the modem, as well as 1 gig to the Nighthawk router itself when I run a speed test with the nighthawk app.  Still the most I can get down even with just one laptop connected via ethernet is about 400 down.  Im running firmware V1.0.2.76_1.0.35.  I tried reverting to an older firmware but that also didnt work.  Any suggestions would be greatly appreciated.

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  • plemans's avatar
    plemans
    Guru
    Apr 27, 2020

    do you have qos, parental controls, access control, or traffic monitoring enabled? Or enabled at some point?

    If so, try factory resetting 1 more time, and during setup, don't use those. I've read of qos and other settings being retained even through a disable/reboot.  

    Also check you ipv4/6 settings. Try it with ipv6. 

    Also, make sure the website you're on supports gig speeds. Speedtest.com can have issues with pick the proper server sometimes. 

    I'm a fan of dslreports.com

    • djbauman92's avatar
      djbauman92
      Tutor
      Apr 27, 2020

      So I as pretty sure I had all those settings off but I did another hard reset just to be safe.  Now When I try on the hardwired laptop I'm getting around 700 mbps down but  still only 450 or so on the wifi connected laptop.  I tried them one at a time disconecting the other before running the test.  Is it a channel issue maybe?

       

      • plemans's avatar
        plemans
        Guru
        Apr 27, 2020

        wifi is very dependant on the device you're testing with. 

        for instance, most wifi devices are 1x1 or 2x2 antenna connections.

        Or their wifi chip might not support faster speeds. 

        Or there might be wifi interference

        Or you might be connected at 80hz and not 160hz. 

         

        The general rule of thumb is that your actual throughput is roughly 55% of your link speed. This isn't always true but its a rough throughput speed. Some wifi chips are going to be more efficient and be higher to around 70% and others could be as low as 40%. 

        What link speed do you have? 

        how far from the router are you? 

        What wireless device are you on? Its wireless chipset? 

         

        for the hardwired test, what site did you use?