{lib, ...}: let inherit (lib.modules) mkDefault; in { boot = { kernel.sysctl = { "fs.inotify.max_user_watches" = 524288; "net.core.rmem_max" = 16777216; "net.core.wmem_max" = 16777216; "net.ipv4.tcp_rmem" = "4096 87380 16777216"; "net.ipv4.tcp_wmem" = "4096 65536 16777216"; "net.ipv4.ip_forward" = mkDefault "1"; "net.ipv6.conf.all.forwarding" = "1"; }; }; }