diff --git a/flake.nix b/flake.nix
index 5e9e9e0..fda8697 100644
--- a/flake.nix
+++ b/flake.nix
@@ -105,6 +105,7 @@
         overlays/show-files-to-be-deleted
         overlays/rolling_datasets
         overlays/ledger-compat
+        overlays/ifstate
 
         inputs.uterranix.flakeModule
       ];
@@ -210,7 +211,8 @@
                   tree-sitter-grammars
                   udp-over-tcp
                   itp
-                  rolling_datasets;
+                  rolling_datasets
+                  ifstate;
                   # ds3os;
               };
 
diff --git a/overlays/ifstate/default.nix b/overlays/ifstate/default.nix
new file mode 100644
index 0000000..b27bf5e
--- /dev/null
+++ b/overlays/ifstate/default.nix
@@ -0,0 +1,7 @@
+{inputs, ...}: {
+  flake.overlays.ifstate = final: prev: {
+    ifstate = final.python3.pkgs.callPackage ./ifstate.nix {
+      wgnlpy = final.python3.pkgs.callPackage ./wgnlpy.nix {};
+    };
+  };
+}
diff --git a/overlays/ifstate/ifstate.nix b/overlays/ifstate/ifstate.nix
new file mode 100644
index 0000000..acdad7c
--- /dev/null
+++ b/overlays/ifstate/ifstate.nix
@@ -0,0 +1,48 @@
+{
+  lib,
+  fetchFromGitea,
+  buildPythonApplication,
+  jsonschema,
+  pyroute2,
+  pyyaml,
+  setproctitle,
+  libbpf,
+  withShell ? true,
+  pygments,
+  withWireguard ? true,
+  wgnlpy,
+}: let
+  inherit
+    (lib)
+    optional
+    ;
+  version = "1.11.4";
+in
+  buildPythonApplication {
+    pname = "ifstate";
+    inherit version;
+
+    # preCheck = ''
+    #   export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${libbpf}/lib
+    # '';
+
+    doCheck = false;
+
+    propagatedBuildInputs =
+      [
+        jsonschema
+        pyroute2
+        pyyaml
+        setproctitle
+      ]
+      ++ (optional withShell pygments)
+      ++ (optional withWireguard wgnlpy);
+
+    src = fetchFromGitea {
+      domain = "codeberg.org";
+      owner = "liske";
+      repo = "ifstate";
+      rev = version;
+      hash = "sha256-7FgvLsY9cm6+mZ8nfADdECeLXUJFYCTLoUCUEYKjsA8=";
+    };
+  }
diff --git a/overlays/ifstate/wgnlpy.nix b/overlays/ifstate/wgnlpy.nix
new file mode 100644
index 0000000..5e92bd0
--- /dev/null
+++ b/overlays/ifstate/wgnlpy.nix
@@ -0,0 +1,26 @@
+{
+  fetchFromGitHub,
+  buildPythonPackage,
+  pyroute2,
+  cryptography,
+}: let
+  version = "0.1.5";
+in
+  buildPythonPackage {
+    pname = "wgnpy";
+    version = "v" + version;
+
+    doCheck = false;
+
+    propagatedBuildInputs = [
+      pyroute2
+      cryptography
+    ];
+
+    src = fetchFromGitHub {
+      owner = "ArgosyLabs";
+      repo = "wgnlpy";
+      rev = "2dc844a48651d6b62d03fd2916e829bf56929c18";
+      hash = "sha256-5XAfBiKx4SqouA57PxmaCb0ea7mT2VeUI1tgnQE/ZwQ=";
+    };
+  }