1# nxdomain numeric expression
2
3# empty configs are not accepted by Kea
4default-lease-time 1800;
5
6# reduce literals
7class "literal" {
8 match if substring(option dhcp6.interface-id, 0, nxdomain % 128) = ab:cd;
9}
10
11# raw
12option dhcp6.interface-id = encode-int(nxdomain + bound, 32);
13