// This is an example configuration for iPXE boot in Kea6.

{
   "Dhcp6": {
   // Mandatory part of the config that list interfaces on which
   // Kea will listen for incoming traffic.
      "interfaces-config": {
         "interfaces": [ "eth0" ]
      },

// Two classes are migrated form ISC-DHCP example:
// if exists dhcp6.client-arch-type and
//    option dhcp6.client-arch-type = 00:07 {
//    option dhcp6.bootfile-url "http://[2001:db8::1]/ipxe.efi";
// } else if exists dhcp6.user-class and
//          substring(option dhcp6.user-class, 2, 4) = "iPXE" {
//    option dhcp6.bootfile-url "http://[2001:db8::1]/ubuntu.cfg";
// }
//
// In example shown below incoming packet will receive value
// http://[2001:db8::1]/ubuntu.cfg if incoming packet will include user
// class option with "iPXE" in it and value http://[2001:db8::1]/ipxe.efi
// if option client architecture type will be 7.
// If incoming packet will include both of those options with matching
// values it will be assigned to class "a-ipxe" because it was first
// matching class. If you want to change that order names of the classes
// have to have different alphabetical order. In Kea 1.3.0 (and previous
// versions) alphabetical order is used in classification. Note this
// should change in next versions, for instance to keep the definition
// order.
      "client-classes": [
         {
            "name": "a-ipxe",
            // user-class option (code 15) is a tuple array
            // so we need to skip the length (tuple first element)
            "test": "substring(option[15].hex, 2, 4) == 'iPXE'",
            "option-data": [
               {
                  "space": "dhcp6",
                  "name": "bootfile-url",
                  "code": 59,
                  "data": "http://[2001:db8::1]/ubuntu.cfg"
               }
            ]
         },
         {
            "name": "b-efi",
            // please consider to add a not a-ipxe here to enforce
            // the "else"?
            "test": "option[61].hex == 0x0007",
            "option-data": [
               {
                  "space": "dhcp6",
                  "name": "bootfile-url",
                  "code": 59,
                  "data": "http://[2001:db8::1]/ipxe.efi"
               }
            ]
         }
      ],
      "subnet6": [
         {
            "subnet": "2001:db8::/64"
         }
      ]
   }
}