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Forum Discussion

jdp454's avatar
jdp454
Aspirant
Sep 21, 2026

870 with DNS issue

I'm having issues with DNS on my RBE870 with 1 satellite. I have fiber to the house from Visionary Broadband. All my cables are cat 6A shielded (including ethernet to the satellite). The 870 is conne...
orbi 870 series
plemans's avatar
plemans
Guru - Experienced User
Sep 22, 2026

What actual modem/gateway do you have? (model)

Are you using IPv6? 
Did you change the ipv6 dns servers as well? Not just the ipv4? 
ipv6 has been broken for a while with the defaults servers. 

  • jdp454's avatar
    jdp454
    Aspirant
    Sep 22, 2026

    Adtran SDX632v I'm having a hard time finding any good info on this ONT (including adtrans community page).

    I have IPv6 off.

    • FURRYe38's avatar
      FURRYe38
      Guru - Experienced User
      Sep 22, 2026

      Does the front of the RBR turn PINK when this happens?

      What happens if you use ISP DNS? 

      RBR WAN set for DHCP or is it using PPPoE? 

      • jdp454's avatar
        jdp454
        Aspirant
        Sep 22, 2026

        Doesn't turn pink.

        ISP DNS or assigned in router give the same result.

        DHCP (doesn't use PPPoE).