diff --git a/.gitignore b/.gitignore
index f917da1..7439007 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,7 @@ p2p_chat-*.tar
 
 # Temporary files, for example, from tests.
 /tmp/
+
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diff --git a/Cargo.lock b/Cargo.lock
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index 0000000..d24300e
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+ "windows-numerics",
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+ "windows-link 0.1.3",
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+dependencies = [
+ "cfg-if",
+ "windows-sys",
+]
+
+[[package]]
+name = "wit-bindgen"
+version = "0.57.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..b9393f5
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,4 @@
+[workspace]
+resolver = "2"
+
+members = ["native/p2pchat_transport_tuntapport"]
diff --git a/flake.nix b/flake.nix
index 3be22b0..b06ee2d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,9 +19,16 @@
       {
         devShells.default = pkgs.mkShell {
           ERL_AFLAGS = "-kernel shell_history enabled";
+          LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
+          buildInputs = with pkgs; [
+            llvmPackages.clang
+          ];
           packages = with pkgs; [
             elixir
             elixir-ls
+            cargo
+            rust-analyzer
+            rustc
           ];
         };
       }
diff --git a/lib/p2p_chat/transport/tuntap.ex b/lib/p2p_chat/transport/tuntap.ex
new file mode 100644
index 0000000..b5f0a24
--- /dev/null
+++ b/lib/p2p_chat/transport/tuntap.ex
@@ -0,0 +1,33 @@
+defmodule P2pChat.Transport.TunTap do
+  use GenServer
+
+  defstruct [:tun_fd]
+
+  @impl true
+  def init(args) do
+    {:ok, io_device} = setup_tap_device()
+    {:ok, {}}
+  end
+
+  @impl true
+  def terminate(_reason, state) do
+    
+  end
+
+  def setup_tap_device(name \\ "tunP2P") do
+    {:ok, io_device} = :file.open(~c"/dev/net/tun", [:read, :write, :raw])
+    :ok = :file.close(io_device)
+    :ok
+  end
+
+  def teardown_tap_device(io_device) do
+  end
+
+  #
+  # Client API
+  # 
+  
+  def start_link(args) do
+    GenServer.start_link(__MODULE__, args)
+  end
+end
diff --git a/lib/p2p_chat/transport/tuntapport.ex b/lib/p2p_chat/transport/tuntapport.ex
new file mode 100644
index 0000000..cc992ae
--- /dev/null
+++ b/lib/p2p_chat/transport/tuntapport.ex
@@ -0,0 +1,8 @@
+defmodule P2pChat.Transport.TunTapPort do
+  use Rustler, otp_app: :p2p_chat, crate: "p2pchat_transport_tuntapport"
+
+  def make_tun_device(), do: :erlang.nif_error(:nif_not_loaded)
+
+  def read(_handle, _length \\ 2**16), do: :erlang.nif_error(:nif_not_loaded)
+end
+
diff --git a/mix.exs b/mix.exs
index 78a63e6..936b810 100644
--- a/mix.exs
+++ b/mix.exs
@@ -21,7 +21,8 @@ defmodule P2pChat.MixProject do
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
-      { :uuid, "~> 1.1" }
+      { :uuid, "~> 1.1" },
+      { :rustler, "~> 0.37.3", runtime: false },
       # {:quicer, git: "https://github.com/emqx/quic.git", tag: "0.2.4"},
       # {:dep_from_hexpm, "~> 0.3.0"},
     ]
diff --git a/mix.lock b/mix.lock
index d39f745..607b8bc 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,5 +1,7 @@
 %{
+  "jason": {:hex, :jason, "1.4.5", "2e3a008590b0b8d7388c20293e9dcc9cf3e5d642fd2a114e4cbbb52e595d940a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0 or ~> 3.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "b0c823996102bcd0239b3c2444eb00409b72f6a140c1950bc8b457d836b30684"},
   "quicer": {:git, "https://github.com/emqx/quic.git", "fc5946302e01148ce4dbd3aebe16ec3446caf31c", [tag: "0.2.4"]},
+  "rustler": {:hex, :rustler, "0.37.3", "5f4e6634d43b26f0a69834dd1d3ed4e1710b022a053bf4a670220c9540c92602", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "a6872c6f53dcf00486d1e7f9e046e20e01bf1654bdacc4193016c2e8002b32a2"},
   "snabbkaffe": {:git, "https://github.com/kafka4beam/snabbkaffe.git", "b59298334ed349556f63405d1353184c63c66534", [tag: "1.0.10"]},
   "uuid": {:hex, :uuid, "1.1.8", "e22fc04499de0de3ed1116b770c7737779f226ceefa0badb3592e64d5cfb4eb9", [:mix], [], "hexpm", "c790593b4c3b601f5dc2378baae7efaf5b3d73c4c6456ba85759905be792f2ac"},
 }
diff --git a/native/p2pchat_transport_tuntapport/Cargo.toml b/native/p2pchat_transport_tuntapport/Cargo.toml
new file mode 100644
index 0000000..c13d7f3
--- /dev/null
+++ b/native/p2pchat_transport_tuntapport/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "p2pchat_transport_tuntapport"
+version = "0.1.0"
+authors = []
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+rustler = "0.37.4"
+tun-rs = { version = "2.8.3", default-features = false, features = ["blocking", "experimental"] }
+
diff --git a/native/p2pchat_transport_tuntapport/README.md b/native/p2pchat_transport_tuntapport/README.md
new file mode 100644
index 0000000..2a1573d
--- /dev/null
+++ b/native/p2pchat_transport_tuntapport/README.md
@@ -0,0 +1,20 @@
+# NIF for P2pChat.Transport.TunTapPort
+
+## To build the NIF module:
+
+- Your NIF will now build along with your project.
+
+## To load the NIF:
+
+```elixir
+defmodule P2pChat.Transport.TunTapPort do
+  use Rustler, otp_app: :p2p_chat, crate: "p2pchat_transport_tuntapport"
+
+  # When your NIF is loaded, it will override this function.
+  def add(_a, _b), do: :erlang.nif_error(:nif_not_loaded)
+end
+```
+
+## Examples
+
+[This](https://github.com/rusterlium/NifIo) is a complete example of a NIF written in Rust.
diff --git a/native/p2pchat_transport_tuntapport/src/lib.rs b/native/p2pchat_transport_tuntapport/src/lib.rs
new file mode 100644
index 0000000..b1b781c
--- /dev/null
+++ b/native/p2pchat_transport_tuntapport/src/lib.rs
@@ -0,0 +1,62 @@
+use std::io;
+use std::net::Ipv6Addr;
+
+use rustler::Binary;
+use rustler::NifResult;
+use rustler::OwnedBinary;
+use rustler::Resource;
+use rustler::ResourceArc;
+use rustler::Error;
+use tun_rs::DeviceBuilder;
+use tun_rs::SyncDevice;
+
+
+mod atoms {
+    rustler::atoms! {
+        ok,
+        would_block,
+        other_error,
+    }
+}
+
+pub struct TunHandle {
+    device: SyncDevice,
+}
+
+#[rustler::resource_impl]
+impl Resource for TunHandle {}
+
+#[rustler::nif]
+fn make_tun_device() -> NifResult<ResourceArc<TunHandle>> {    
+    let device = DeviceBuilder::new()
+        .name("tunP2P")
+        .ipv6(Ipv6Addr::new(0x2001, 0x2f, 0, 0, 0, 0, 0, 1), 28)
+        .build_sync()
+        .expect("Could not create tun device");
+    device.set_nonblocking(true).expect("Could not make TUN device nonblocking");
+
+    println!("TUN device {} created", device.name().unwrap());
+
+    let handle = ResourceArc::new(TunHandle { device });    
+    Ok(handle)
+}
+
+#[rustler::nif]
+fn read(env: rustler::Env, handle: ResourceArc<TunHandle>, length: usize) -> NifResult<Binary> {
+    let mut buf = OwnedBinary::new(length).expect("Could not allocate a buffer from the BEAM");
+
+    let n = match handle.device.recv(&mut buf) {
+        Ok(n) => n,
+        Err(e) => return match e.kind() {
+            io::ErrorKind::WouldBlock => Err(Error::Term(Box::new(atoms::would_block()))),
+            _ => Err(Error::Term(Box::new(atoms::other_error()))),
+        },
+    };
+    println!("Have read {n} bytes");
+
+    let erl_buf = Binary::from_owned(buf, env);
+    Ok(erl_buf)
+}
+
+
+rustler::init!("Elixir.P2pChat.Transport.TunTapPort");
diff --git a/priv/native/p2pchat_transport_tuntapport.so b/priv/native/p2pchat_transport_tuntapport.so
new file mode 100755
index 0000000..e46e07a
Binary files /dev/null and b/priv/native/p2pchat_transport_tuntapport.so differ