{ ... }: { networking = { interfaces = { ens18 = { ipv4 = { addresses = [{ address = "172.16.10.140"; prefixLength = 24; }]; }; ipv6 = { addresses = [{ address = "fd00::10:0:ff:fe01:4010"; prefixLength = 64; }]; }; }; ens19 = { ipv4 = { addresses = [{ address = "172.16.3.140"; prefixLength = 24; }]; routes = [{ address = "0.0.0.0"; via = "172.16.3.99"; prefixLength = 0; }]; }; ipv6 = { addresses = [{ address = "2a0c:700:3::ff:fe01:4003"; prefixLength = 64; }]; routes = [{ address = "::"; via = "2a0c:700:3::ff:fe00:9903"; prefixLength = 0; }]; }; }; }; }; }