{ config, pkgs, ...}:

{
  networking.vlans."net-open-office" = {
    id = 212;
    interface = "ens18";
  };

  networking.interfaces.net-open-office.ipv6.addresses = [
    { address = "fe80::1"; prefixLength = 64; }
    { address = "fd00:10:42:212::1"; prefixLength = 64; }
  ];
  networking.interfaces.net-open-office.ipv4.addresses = [
    { address = "10.42.212.1"; prefixLength = 24; }
  ];

  services.radvd.config = ''
    interface net-open-office {
      AdvSendAdvert on;
      prefix fd00:10:42:212::/64 {};
      RDNSS 2a01:4f8:1c0c:8221::8 {};
      DNSSL bula22.de {};
    };
  '';

  services.kea.dhcp4 = {
    settings = {
      interfaces-config = {
        interfaces = [ "net-open-office" ];
      };
      subnet4 = [
        {
          id = 212;
          subnet = "10.42.212.1/24";
          pools = [
            {
              pool = "10.42.212.100 - 10.42.212.240";
            }
          ];
          option-data = [
            {
              name = "routers";
              data = "10.42.212.1";
            }
          ];
        }
      ];
    };
  };
}