{ ... }: { networking = { interfaces."enp0s31f6".ipv4.addresses = [{ address = "10.2.0.1"; prefixLength = 8; }]; defaultGateway = { address = "10.1.0.1"; interface = "enp0s31f6"; }; }; # Enable IP forwarding for the server configuration boot.kernel.sysctl."net.ipv4.ip_forward" = 1; }