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legaleye3000's avatar
Jan 19, 2021

Power Outage = Only Some Devices Get IP Addresses

If the power goes out or I unplug the router for a few minutes, upon turning back on, only some devices are able to connect. Those that are able to connect will sometime disconnect and re-connect. I find that after a day there are a couple of other devices that eventually reconnect, but largely many devices are always "attempting" to connect. 

 

I have a RBR40 with a RBS20 and a RBW30. I'm on 2.6.1.36 for the RBR40 and latest firmware on the satellites. Here are my settings:

 

-Router mode

-Enable 20/40 = unchecked

-2.4 ghz transmit power = 50% (I just changed this to try it = no difference)

-Daisy-chain = off (the router and satellite placement doesn't make sense for daisy-chain)

-Implicit beamforming = on

-Mu-mimo = on

-Fast roaming = on

 

***Some things that have worked in the past to fix this: -change the ip allocation (192.168.1.1 to 192.168.5.1, as an example); changing wifi password; complete reset of router and satellites (sometimes this doesn't even work if I put the settings back); RTS/CTS changed to 2304 from default/max settings; 

 

Any help appreciated. Thank you.

 

16 Replies

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    • "Use Router as DHCP Server" is checked. I lowered the range to 200 rather than the default 250 ip allocations. Thanks.

      • vajim's avatar
        vajim
        Master

        legaleye3000 wrote:

        "Use Router as DHCP Server" is checked. I lowered the range to 200 rather than the default 250 ip allocations. Thanks.


        good...whenever I see posts like this talking about disconnects I can't help think about firmware.

         

        You may want to consider when your problem started and how that relates to your firmware history.

         

        others may have you check other areas.  good luck

         

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User

    Try turning OFF the RBW and RBS then power cycle the RBR and see if the problem continues. 


    What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?

    What is the size of your home? Sq Ft?
    What is the distance between the router and satellite(s)? 30 feet or more is recommended in between RBR and RBS to begin with depending upon building materials when wirelessly connected.

    What channels are you using? Auto? Try setting manual channel 1, 6 or 11 on 2.4Ghz and any unused channel on 5Ghz.
    Any Wifi Neighbors near by? If so, how many?

     

    Try disabling the following and see:
    Armor, Circle, and Set 20/40Mhz Coexistence to 20/40Mhz. Set Short preamble instead of Long preamble modes. Set 2.4G back to 100%. Save settings and reboot the router and satellite(s).

     

    One User Experience/Configuration:
    https://community.netgear.com/t5/Orbi/Most-Stable-Orbi-Configuration/m-p/1941087/highlight/true#M97026


    legaleye3000 wrote:

    If the power goes out or I unplug the router for a few minutes, upon turning back on, only some devices are able to connect. Those that are able to connect will sometime disconnect and re-connect. I find that after a day there are a couple of other devices that eventually reconnect, but largely many devices are always "attempting" to connect. 

     

    I have a RBR40 with a RBS20 and a RBW30. I'm on 2.6.1.36 for the RBR40 and latest firmware on the satellites. Here are my settings:

     

    -Router mode

    -Enable 20/40 = unchecked

    -2.4 ghz transmit power = 50% (I just changed this to try it = no difference)

    -Daisy-chain = off (the router and satellite placement doesn't make sense for daisy-chain)

    -Implicit beamforming = on

    -Mu-mimo = on

    -Fast roaming = on

     

    ***Some things that have worked in the past to fix this: -change the ip allocation (192.168.1.1 to 192.168.5.1, as an example); changing wifi password; complete reset of router and satellites (sometimes this doesn't even work if I put the settings back); RTS/CTS changed to 2304 from default/max settings; 

     

    Any help appreciated. Thank you.

     


     

    • legaleye3000's avatar
      legaleye3000
      Tutor

      The modem is a Arris BGW210-700. I have turned all devices off and on and synced and re-synced in every order I can think of without any change. The Arris is in bridge mode with wifi turned off so the Orbi is the only true router.  

       

      House is 4,000.00 sq ft, one floor. I'm not sure about the distance between the satellites and router; however, they have worked perfectly fine before where they are. When the power goes out, this situation occurs. 

       

      I've tried setting manual channels, which doesn't make a difference. We are spaced out between neighbors (1.5-2 acres between homes) so there are hardly any other wifi networks that I see. 

       

      Armor and Circle are always disabled. 20/40mhz is always unchecked and the preamble has always been checked to auto. Just confirming, you're saying to put a checkmark to enable 20/40mhz coexistence? And also, I should change the preamble from "auto" to "long"? Thanks.

      • FURRYe38's avatar
        FURRYe38
        Guru - Experienced User

        legaleye3000 wrote:

        The modem is a Arris BGW210-700. I have turned all devices off and on and synced and re-synced in every order I can think of without any change. The Arris is in bridge mode with wifi turned off so the Orbi is the only true router.  

         

        House is 4,000.00 sq ft, one floor. I'm not sure about the distance between the satellites and router; however, they have worked perfectly fine before where they are. When the power goes out, this situation occurs. 

         

        I've tried setting manual channels, which doesn't make a difference. We are spaced out between neighbors (1.5-2 acres between homes) so there are hardly any other wifi networks that I see. 

         

        Armor and Circle are always disabled. 20/40mhz is always unchecked and the preamble has always been checked to auto. Just confirming, you're saying to put a checkmark to enable 20/40mhz coexistence? Yes. And also, I should change the preamble from "auto" to "long"? Try Short first, then Long. 

        YOu might also try putting the Modem back in to router mode then set the RBR to AP mode. The Arris modem you have doean't actually have a full bridge mode: https://kb.netgear.com/31218/How-do-I-configure-my-Orbi-router-to-act-as-an-access-point and https://www.youtube.com/watchv=H7LOcJ8GdDo&app=desktop 


         

  • CrimpOn's avatar
    CrimpOn
    Guru - Experienced User

    legaleye3000 wrote:

    ***Some things that have worked in the past to fix this: -change the ip allocation (192.168.1.1 to 192.168.5.1, as an example); changing wifi password; complete reset of router and satellites (sometimes this doesn't even work if I put the settings back);


    How many devices are involved?

    (With 40+ active WiFi devices, changing WiFi password would be a MAJOR endeavor for me.)

    All devices WiFi? (none "wired")

    Do the devices which fail to reconnect have anything in common?

     

    Not sure if it is practical for you, but I installed a UPS to power my internet modem, router, and desktop computer during brief power outages and a (much smaller) UPS for my Orbi satellite.  Also helps protect against surges and spikes in the electrical supply.