dhcp6c.conf (Source)

interface eth1
{
  send ia-na 1;
  send ia-pd 0;

  request domain-name-servers;
  request domain-name;

  script "/etc/wide-dhcpv6/dhcp6c-script";
};

id-assoc pd {
  prefix-interface eth0 {
    sla-id 0;
    ifid 1;
    sla-len 4; # This should actually be 0 right now since I couldn't figure out how to get a /60 from Comcast and thus have a /64 for my delegated prefix
  };
};

id-assoc na 1 {
};