1{ 2 # lcase/ucase data expression 3 # empty configs are not accepted by Kea 4 "Dhcp4": { 5 "valid-lifetime": 1800, 6 "client-classes": [ 7 # reduce literals 8 { 9 "name": "literal", 10 /// from: match if (option dhcp.host-name) = (concat(uppercase('www.'), concat('example.', lowercase('COM')))) 11 "test": "option[12].hex == 'WWW.example.com'" 12 } 13 ] 14 } 15} 16