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I have a SOHO network with a split DNS configuraiton, and I have configured my router's (a Huawei H122-373) DHCP to provide my DNS as the primary DNS.

However I have no control on the DHCPv6 of my router, which provides no IPv6 address but provides its link-local IPv6 as a primary DNS. This is an issue on some computers (only on Windows, it seems) because they first try the IPv6 DNS, thus bypassing my own.

I could manually configure each computer to use my DNS over IPv6, or perhaps disable IPv6 on each computer, but I prefer to avoid this solution.

Is there another way to do this?

Hugal31
  • 101

1 Answers1

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I found a solution, but it is far from ideal:

I disabled the DHCPv4 on my router and ran a DHCPv4/v6 server on my NAS. Now, there are two DHCPv6 server running, both with unfortunately the highest preference value (255), but since my NAS DHCP is providing a ULA address, DHCPv6 clients seems to prefer this one (as per 18.2.9. of RFC 8415).

Hugal31
  • 101