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{
# concat data expression
# empty configs are not accepted by Kea
"Dhcp4": {
"valid-lifetime": 1800,
"client-classes": [
# use substring in a reductible match
/// match: concat('domain=', suffix(option dhcp.host-name, 3))
{
"name": "reductible"
},
/// subclass selector 'domain=com'
{
"name": "sub#reductible#0",
/// from: match concat('domain=', suffix(option dhcp.host-name, 3))
/// data: 'domain=com'
"test": "concat('domain=', substring(option[12].hex,-3,all)) == 'domain=com'"
},
# reduce literals too
{
"name": "literal",
/// from: match if (option dhcp.host-name) = (concat('www.', concat('example.', 'com')))
"test": "option[12].hex == 'www.example.com'"
}
],
"option-data": [
// # raw
// {
// "space": "dhcp4",
// "name": "host-name",
// "code": 12,
// "csv-format": false,
// "expression": {
// "concat": {
// "left": "www.",
// "right": {
// "option": {
// "universe": "dhcp",
// "name": "domain-name",
// "code": 15
// }
// }
// }
// }
// }
]
}
}
|
