{ lib, ... }: { boot.kernel.sysctl."net.ipv4.ip_forward" = lib.mkForce true; systemd.network = { enable = true; networks = { # "uplink" = { # name = "wlp0s20f3"; # DHCP = "ipv4"; # networkConfig.IPMasquerade = "ipv4"; # }; "10-enp2s0" = { name = "enp2s0"; address = [ "192.168.2.1/24" ]; networkConfig.DHCPServer = "yes"; dhcpServerConfig = { PoolOffset = 100; PoolSize = 100; }; }; }; }; networking = { nftables = { enable = true; tables.nat = { family = "ip"; content = '' chain postrouting { type nat hook postrouting priority 100; ip saddr 192.168.2.0/24 masquerade } ''; }; }; firewall.allowedUDPPorts = [ 67 ]; }; }