Le 14/01/2020 à 21:14, Rainer Dorsch a écrit :
prepend dhcp6.name-servers 2001:4860:4860::8888, 2001:4860:4860::8844; avoids the error message, but has no visible effect I can see. The IPv6 DNS servers still do not show in resolv.conf.
You may receive IPv6 DNS information from IPv6 Router Advertisements (RA) with rdnssd, not DHCPv6.