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lipstick's avatar
lipstick
Guide
Feb 01, 2023

RBR750 dropping internet after 10 mins of every reboot

I am forced to use Comcast Xfi Modem to avoid paying extra for unlimited data.

But I have Wifi turned off on the comcast modem and instead I am using 3 Orbi's in AP mode.

 

The setup has been working smoothly since several months. However since today morning my Orbi keeps on dropping internet and turning purple. Then I unplug and replug the Orbi router and it works perfectly for ~10 mins only to drop internet again.

 

Things I have done so far:

1. Made sure that I am on the latest firmware: 4.6.14.3
2. Factory Reset the Orbi

 

Any idea how can I fix it?

10 Replies

  • FURRYe38's avatar
    FURRYe38
    Guru
    Feb 01, 2023

    Has a power off for 1 minute then back ON with the ISP modem and router been performed since last update?
    Be sure to restart your network in this sequence:
    Turn off and unplug modem.
    Turn off router and computers.
    Plug in and turn on modem. Wait 2 minutes for it to connect.
    Turn on the router and wait 2 minutes for it to connect.
    Turn on computers and rest of network.

     

    Check the ISP modem if the RBR is turning PINK while in AP mode:

    https://kb.netgear.com/31030/What-do-the-LEDs-on-my-Orbi-mean

     

    What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?
    Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended.

    • lipstick's avatar
      lipstick
      Guide
      Feb 01, 2023

      thank you for your reply.

       

      yes, i did restart my xfinity gateway modem and made sure it's working before connecting my orbi router.

       

      my ISP modem's internet connection is stable while RBR750 is purple. so the issue is definitely with my Orbi.

       

      i do have CAT 6 connected between modem and orbi.

       

      this is the modem: XFI ADVANCED GATEWAY (XB7)

      • FURRYe38's avatar
        FURRYe38
        Guru
        Feb 01, 2023

        Be sure the ISP Modem is giving the RBR services and a IP address. One reason for the PINK led is that the RBR isn't getting anything from the ISP Modem. Setup a IP address reservation for the RBR in AP mode. 

         

        Are you using Dynamic or Static IP address configuration for the RBR in AP mode? 

         

        Might try the RBR in router mode and use the modems DMZ for the RBR. 

         

        Try a factory reset and setup from scratch.