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centaros's avatar
centaros
Aspirant
Sep 03, 2021
Solved

RBS 750 out of sync after rebooting the router

Hi,

 

I once rebooted my RBR750 and one of my RBS lost sync.. it showed solid magenta.

So I tried the sync few times but it never made it working again. Then I deleted the satelite in the router configuration and reset the satelite. When I turn it on it blinks white LED for a couple of minutes it becomes solid magenta again. Both satelite and router are in the same room. 

I don't understand why this satelite is not syncing while the other one which is very far from the router works fine.

 

Any idea to resolve this issue?

 

Thank you.

  • IF you removed the RBS from the RBR, try a factory reset on the RBS by pressing the reset button for 15 seconds then release. Then try to re-sync to the RBR. Try a factory reset on the RBR and RBS as last resort. 

     

11 Replies

  • Has a power off for 1 minute then back ON with the ISP modem and Orbi system been performed since last update? Pull the power adapters from the wall outlet. 

    • centaros's avatar
      centaros
      Aspirant

      Hi FURRYe38 ,

       

      I tried few thing based on what you mentioned. But they didn't work. Please take a look.

       

      Trial #1

      1. Pull the satellite power adapter from the wall for 1 min and put it back
      2. Pressed the sync button of the satellite
      3. Ran the sync process in the app. Sync failled.
      4. Got solid magenta LED on the satellite.

      Trial #2

      1. Pull the satellite power adapter from the wall for 1 min and put it back
      2. Pressed the reset button for 10 seconds (nothing happened)
      3. Pressed the sync button of the satellite.
      4. Ran the sync process in the app. Sync failled.

      Trial #3

      1. Pull the power adapters of modem, RBR750 router and the satellite from the wall for 1 min and put them back.
      2. Got solid magenta LED on the satellite.
      3. Pressed the sync button of the satellite.
      4. Ran the sync process in the app. Sync failled.

      -JL

      • FURRYe38's avatar
        FURRYe38
        Guru

        IF you removed the RBS from the RBR, try a factory reset on the RBS by pressing the reset button for 15 seconds then release. Then try to re-sync to the RBR. Try a factory reset on the RBR and RBS as last resort. 

         

  • What does Web GUI -> Attached Devices say the IP address of the problem satellite is?

    Are any other devices having a problem connecting?

    • centaros's avatar
      centaros
      Aspirant

      Hi raven_au,

       

      In the web GUI, it was showning the satellite as "Disconnected" so I eventually removed to re-add after powering it up multiple times.  The other satellite's status is good.

      Since I have removed the satellite currently the GUI only shows only one satellite which is the working one.

       

      I see some of my apple homekit devices are not responding.

      I restarted my iPhone and event this one has problem connecting to the wifi. I see the check mark in the Wi-Fi screen of the settings app, but its status bar at the top still shows LTE.

       

      -JL

      • raven_au's avatar
        raven_au
        Virtuoso

        centaros wrote:

        Hi raven_au,

         

        In the web GUI, it was showning the satellite as "Disconnected" so I eventually removed to re-add after powering it up multiple times.  The other satellite's status is good.

        Since I have removed the satellite currently the GUI only shows only one satellite which is the working one.

         

        I see some of my apple homekit devices are not responding.

        I restarted my iPhone and event this one has problem connecting to the wifi. I see the check mark in the Wi-Fi screen of the settings app, but its status bar at the top still shows LTE.

        What I was after here was to check if the router DHCP server had stopped giving out IP addresses.

         

        If you try and re-connect a device such as an iDevice then (IIRC) they will just sit there with a spinning wheel looking like they are continually trying to connect, they might eventually show a message such as no internet, not sure. My Andriod phone is quite specific when this happens, it says Getting IP address and after a while says it couldn't get IP address so I know the DHCP server is no longer working.

         

        I'm not yet certain but I'm pretty sure that satellites will show up as having an IP address ending in 250 because they can't get an IP address from the router and show an amber light indicating they aren't working properly. But that assumes the satellite is part of a kit (an RBKxxx) so they auto-sync and show up in the web UI even if they aren't quite working. If it's an add-on satellite I think they will end up with a solid white light indicating they are ready to sync. after a pin hole button reset but of course if the router isn't giving out IP addresses the sync won't work and they'll probably end up with an amber light after the sync. again. Not sure if these will show in the router web UI in this case particularly if they have been removed buy hitting the "remove" button.

         

        Once the router stops giving out IP addresses there's not much you can do.

         

        Re-booting the mesh can sometimes work but, and I'm also not certain about this yet either, it depends on how many devices you have trying to connect at once at the time of the re-boot. More than about 40 can make it hard for the reboot to succeed and it stops giving out IP addresses again.

         

        One time I was able to get  a successful reboot after an hour trying but most often I have to resort to a factory reset and re-configure.

         

        Now I have delegated the DHCP function to my NAS (and disabled it on the router) things seem to be much better but I also haven't needed to re-boot in a while either so still not sure.

         

        I suspect that FURRYe38 may have encountered this problem too and leaving the mesh devices powered off for some time  (overnight for example) causes devices to throttle back their re-connection attempts so that when the mesh router and satellites are again powered on there isn't such high flood of DHCP requests so the DHCP server survives.