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FredFlintston's avatar
FredFlintston
Aspirant
Oct 12, 2019

ORBI 2..4 gHz speeds

Hello   An ORBI RBR50 with very slow 2.4Ghz performance. I have a 50Mbs fibre service and wired connections and 5 ghz connections reach full speed but I have a tablet which is 2.4 only and it strug...
FredFlintston's avatar
FredFlintston
Aspirant
Oct 12, 2019

Hello

 

Thanks for the reply. Here are the answers to the best of my knowledge:

The satellite connection shows as "wired" and "good"? Yes

Does this old tablet get faster speed when connected to a different WiFi system (elsewhere)? Yes - tethered to iphone

Are there any other devices like phones, tablets, laptops, etc. which show "full speed" on 2.4G? Most of the other stuff on 2.4 can't be tested (ipcameras and smart switches etc) My wife has a iphone 6 and she is having similar issues with often connection and full signal but no through put at all.

Are there any REALLY OLD WiFi devices connected to the Orbi? - the oldest thing is an ipad from about 2012. Everything else is less than 5 years old

(802.11 2.4G WiFi is "backward compatible" so that even the earliest WiFi device will still function.  However, this can have the side-effect of slowing ALL 2.4G devices to the slowest speed.)

CrimpOn's avatar
CrimpOn
Guru - Experienced User
Oct 13, 2019

Thanks for the answers. Hmmmm.  iPhone 6 is "Dual Band", so it is not clear (yet) which band it is connecting on.

 

Do you use the Orbi "app" or the web interface?

Are you comfortable with telnet?

  • FredFlintston's avatar
    FredFlintston
    Aspirant
    Oct 13, 2019

    I use the web interface mostly

    i dont have much experience with telnet but can follow instructions.

    As an update turing off every device and full speed came back. I could also see many other local networks around that were not listed before. The full speed remained whilst i switched everything  back on one at a time - then 20 minutes later the problem is back.

    My wifes phone is still fine however (showing connection as 'wired')

    • CrimpOn's avatar
      CrimpOn
      Guru - Experienced User
      Oct 13, 2019

      Can you itemize the devices which are connecting at 2.4G?

      • CrimpOn's avatar
        CrimpOn
        Guru - Experienced User
        Oct 13, 2019

        The next time the issue comes back, please see if this provides any information.

        • Log into the Orbi web interface.
        • Select the Advance Tab and make a note of the Orbi IP address (often 192.168.1.1)
        • Change "index.htm" to read "debug.htm" and connect again.
        • Check the box toward the bottom "Enable Telnet"
        • Open a telnet program and connect to the Orbi
        • Log in using "admin" and the administrative password
        • Type this command:
          wlanconfig ath0 list
        • This will list all of the devices connected to the Orbi router at 2.4G.
          It's one very long line of values for each device and will probably wrap around more than once.
        • What you care about is the beginning of each line.
          Here is the first part of mine:
          ADDR            AID CHAN TXRATE RXRATE
          b8:c7:5d:52:02:fa 1   3   65M   65M
          30:ae:a4:6c:c8:40 3   3   72M   65M
          f4:b8:5e:43:88:84 4   3   58M    5M
          f4:b8:5e:06:79:4d 2   3   58M   72M
        • The TX rate is the speed the Orbi is transmitting (TX) to the device.
          The RX rate is the speed the Orbi is receiving (RX) from the device
        • One of these should match the MAC address of the problem iPad.
          (Which can be looked up on the iPad or on the Orbi "Attached Devices" page.
        • What, it isn't there?
          This means you have to go through the process on the satellite.
          Connect to the debug page, enable telnet, log on with telnet, type the command.

        This seems an enormous task at first, and I realize that only a "desperate person" would attempt it.

        My hope is that it shows something interesting.