The issue I am facing: I get the following warnings at the Pihole web interface: no address range available for DHCPv6 request via eth0 Details about my system: I am running Pihole with Unbound in one docker container according to this guide on top of a RPI 4B with Ubuntu Server 20.04 LTS What …

[image] nacifyas: I do want Pihole to offer DHCPv6 too But do you have upstream IPv6 connectivity? If not, there will be no routable address on the interface eth0 which could be used by Pi-hole to deduce the appropriate prefix (what comes in front of the configured ::100 - ::1ff) and, hence, …

No address range available for DHCPv6 request via eth0

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jfb December 30, 2021, 11:26pm 2

Please see this thread, which may answer all your questions.