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WifiLost's avatar
WifiLost
Aspirant
Jun 01, 2021

Wifi Lost on AC1750 R6400v2

Dear All,

I own Router R6400v2 AC1750. Firmware V1.0.4.106_10.0.80 (latest version).

It is configured in Wifi Acces Point, behind freebox internet box.

I use WiFi « n » only + Ethernet.

 

My routeur always reacts like that :

  • At fresh reboot, everything is fine. Wifi and Ethernet rates are around 33 Mb/sec, all stable.
  • After 1 to 2 weeks, but also frequently after only 1 day, the wifi connection becomes very bad : unstable and very slow : Between 0 to 5 Mb/sec. (see attached file : Wifi.png)
  • Where as at the same time, Ethernet stays stable, around 33 Mb/sec. (see attached file : Ethernet.png)

 

Would you have an explanation and do you know how to solve this very bad wifi behaviour ? Like a lot of people, I work from home with WiFi => a very unstable connection is a nightmare.

 

Thank you very much !

5 Replies

  • WifiLost's avatar
    WifiLost
    Aspirant
    Jun 01, 2021

    One more message to send the other file (Ethernet.png)

  • plemans's avatar
    plemans
    Guru
    Jun 01, 2021

    are you connecting to the 2.4ghz or the 5ghz?

    2.4ghz is more sensitive to interference. 

    • WifiLost's avatar
      WifiLost
      Aspirant
      Jun 02, 2021
      I use only 2,4 GHz.
      - The Wifi problem appears also when I stand just next to the router
      - I live in the countryside, there are just a few other WiFi networks around (3 exactly)
      - Some of my devices are only compatible with 2,4 GHz
      Thanks a lot !
      • plemans's avatar
        plemans
        Guru
        Jun 02, 2021

        You can try downgrading the firmware. 

        But I'd actually start by moving all your devices with 5ghz, to the 5ghz band.Its significantly faster and has less interference. 

        And it isn't just other routers in the area for 2.4ghz. Many devices use the 2.4ghz band.