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Forum Discussion

amenic's avatar
amenic
Apprentice
Sep 17, 2020

Intermittent DNS lookup failures on RBR850

Intermittent DNS lookup failures RBR850 I've been using the Orbi RBR850 for several months now and I'm constantly having issues with DNS that I've NEVER experienced with any other router I've ever u...
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Sep 29, 2020

I would remove the RBR850 in AP mode from the IP passthru on the modem. THere would be no firewall or security in this configuration. SO you'd want to use the modems firewall for your security meaure while you have the RBR in AP Mode. FIrewall is disabled on the RBR when in AP mode. 

aparkins30's avatar
aparkins30
Aspirant
Sep 29, 2020

Didn't realize that, thanks for taking the time to reply.  Just adjusted the settings.

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User
    Sep 29, 2020

    AP mode on any wifi router or MESH router system, firewall is disabled. 

    • FURRYe38's avatar
      FURRYe38
      Guru - Experienced User
      Sep 29, 2020

      And if you have a router upstream from the RBR while it's in router mode, this IS a double NAT configuration which can cause these problems. Just turning OFF the wifi doesn't resolve this.