Netgear C3700v2 - IPV6 manual DNS - eviltoast
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The original was posted on /r/pihole by /u/dark_sherrif on 2023-12-26 20:57:12+00:00.

Hello Team,

I am trying to setup manual DNS on my netgear C3700v2 (Firmware 1.02.32) so that it can point to my pihole + unbound setup. 

On the devices connected to my router I can see that the IPV4 DNS points to 192.168.0.xxx (IPv4 address of my pihole) but when I try to setup the manual DNS for IPv6 to point to the static IPv6 address of my pihole it does not sets it up, instead it automatically falls back to 2001:558:feed::1 and 2001:558:feed::2. 

I followed all the steps mentioned for pihole and unbound, but still not able to figure out how the router still points to these two.

Any help would be greatly appreciated.

I can see on my iphone that there are 4 DNS servers -

  1. IPv4 - pihole - 192.168.0.xxx

  2. IPv6 - pihole fe80::1

3) 2001:558:feed::1 and  — (I would like to remove these permanently from my router too)

  1. 2001:558:feed::2 —  (I would like to remove these permanently from my router too)