diff --git a/pkgs/tools/networking/iperf/default.nix b/pkgs/tools/networking/iperf/default.nix
new file mode 100644
index 000000000000..e799e5118f9e
--- /dev/null
+++ b/pkgs/tools/networking/iperf/default.nix
@@ -0,0 +1,17 @@
+args: with args;
+stdenv.mkDerivation {
+  name = "iperf-2.0.4";
+
+  src = args.fetchurl {
+    url = http://garr.dl.sourceforge.net/sourceforge/iperf/iperf-2.0.4.tar.gz;
+    sha256 = "0i3r75prbyxs56rngjbrag8rg480ki3daaa924krrafng30z2liv";
+  };
+
+#buildInputs =(with args; []);
+
+  meta = {
+    homepage = ""; 
+    description = "tool to measure IP bandwidth using UDP or TCP";
+    license = "as-is";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0acf34267e43..ea484b7da88c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -844,6 +844,10 @@ let
     inherit stdenv fetchurl zlib nettools;
   };
 
+  iperf = import ../tools/networking/iperf {
+    inherit fetchurl stdenv;
+  };
+
   jdiskreport = import ../tools/misc/jdiskreport {
     inherit fetchurl stdenv unzip jdk;
   };