diff --git a/src/udpclient.cpp b/src/udpclient.cpp
new file mode 100644
index 0000000..5f04a9a
--- /dev/null
+++ b/src/udpclient.cpp
@@ -0,0 +1,99 @@
+//
+// client.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include <array>
+#include <boost/array.hpp>
+#include <boost/asio.hpp>
+#include <iostream>
+
+using boost::asio::ip::udp;
+
+int main(int argc, char* argv[]) {
+  try {
+    boost::asio::io_service io_service;
+
+    udp::resolver resolver(io_service);
+    udp::resolver::query query(udp::v4(), "10.243.48.31", "623");
+    udp::endpoint receiver_endpoint = *resolver.resolve(query);
+
+    udp::socket socket(io_service);
+    socket.open(udp::v4());
+
+    std::string username = "root";
+    std::string password = "two";
+    uint8_t privilege_level = 4;
+    uint8_t seq_number = 1;
+    uint8_t command = 0x38;  // AUTH_CAP_CMD
+    // std::array<uint8_t> ChannelAuthCap{0x80 | (0x0f & channel),
+    // privilege_level&0x0f};
+
+    uint8_t srcaddr = 0x81;  // 0xC8?
+    uint8_t dstaddr = 0x20;
+
+    uint8_t net_function = 0x06;
+    uint8_t lun = 0;
+
+    uint8_t netfn_lun = static_cast<uint8_t>((net_function << 2) + lun);
+    uint8_t channel_number =
+        0x0E + 0x80;  // E is defined in spec as this channel
+                      // 0x80 is requesting IPMI 2.0
+    uint8_t byte1 = static_cast<uint8_t>(channel_number | 0x80);
+    boost::array<uint8_t, 2> payload{byte1, privilege_level};
+
+    int payload_sum = 0;
+    for (auto element : payload) {
+      payload_sum += element;
+    }
+
+    uint8_t chk1 = (1 + ((~(dstaddr + netfn_lun)) & 0xff)) & 0xff;
+    uint8_t chk2 = srcaddr + (seq_number << 2) + command + payload_sum;
+    chk2 = (1 + ((~chk2) & 0xff)) & 0xff;
+
+    uint8_t ptype = 0;
+    uint8_t session_id = 0;
+
+    uint8_t seq_number2 = 0;
+    uint8_t seq_number_lun = seq_number << 2 + lun;
+
+    uint8_t seq2 = 0xff;  //????
+    uint8_t rmcp_class = 0x07;
+
+    std::vector<uint8_t> send_buf = {
+        0x06,       0x00,           seq2,
+        rmcp_class, 0x06,           ptype,
+        session_id, seq_number2,    0x00,
+        0x00,       0x00,           0x00,
+        0x00,       0x00,           0x09,
+        0x00,       dstaddr,        netfn_lun,
+        chk1,       srcaddr,        seq_number_lun,
+        command,    channel_number, privilege_level,
+        chk2};
+
+    for (auto character : send_buf) {
+      std::cout << std::hex << static_cast<unsigned>(character) << " ";
+    }
+    std::cout << std::endl;
+    socket.send_to(boost::asio::buffer(send_buf), receiver_endpoint);
+
+    boost::array<unsigned char, 32> recv_buf;
+    udp::endpoint sender_endpoint;
+    size_t len =
+        socket.receive_from(boost::asio::buffer(recv_buf), sender_endpoint);
+
+    for (auto character : recv_buf) {
+      std::cout << std::hex << static_cast<unsigned>(character) << " ";
+    }
+
+    std::cout << std::endl;
+  } catch (std::exception& e) {
+    std::cerr << e.what() << std::endl;
+  }
+
+  return 0;
+}
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