1 files changed, 26 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/config/iproute2.nix b/nixpkgs/nixos/modules/config/iproute2.nix
new file mode 100644
index 000000000000..0cde57b759be
--- /dev/null
+++ b/nixpkgs/nixos/modules/config/iproute2.nix
@@ -0,0 +1,26 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.networking.iproute2;
+in
+{
+  options.networking.iproute2 = {
+    enable = mkEnableOption (lib.mdDoc "copying IP route configuration files");
+    rttablesExtraConfig = mkOption {
+      type = types.lines;
+      default = "";
+      description = lib.mdDoc ''
+        Verbatim lines to add to /etc/iproute2/rt_tables
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.etc."iproute2/rt_tables.d/nixos.conf" = {
+      mode = "0644";
+      text = cfg.rttablesExtraConfig;
+    };
+  };
+}