# Default dhpc6c configuration: it assumes the address is autoconfigured using # router advertisements. profile default { information-only; request domain-name-servers; request domain-name; script "/etc/wide-dhcpv6/dhcp6c-script"; }; interface enp1s0 { # external facing interface (WAN) send ia-na 1; send ia-pd 1; request domain-name-servers; request domain-name; script "/etc/wide-dhcpv6/dhcp6c-script"; }; id-assoc pd 1 { prefix-interface enp2s0 { #internal facing interface (LAN) sla-id 0; # subnet. Combined with ia-pd to configure the subnet for this interface. ifid 1; #IP address "postfix". if not set it will use EUI-64 address of the interface. Combined with SLA-ID'd prefix to create full IP address of interface. sla-len 0; # prefix bits assigned. Take the prefix size you're assigned (something like /48 or /56) and subtract it from 64. In my case I was being assigned a /56, so 64-56=8 }; }; id-assoc na 1 { # id-assoc for eth1 };