diff --git a/.gitmodules b/.gitmodules
index 9ae186f..34369fc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "lib/filex"]
 	path = lib/filex
 	url = https://github.com/azure-rtos/filex.git
+[submodule "lib/netxduo"]
+	path = lib/netxduo
+	url = https://github.com/azure-rtos/netxduo.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7992eae..f98cffa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,6 +133,7 @@ set(TARGET_C_INCLUDES
 
 # Shared libraries linked with application
 set(TARGET_LIBS
+    "netxduo"
     "filex"
     "threadx"
     "c"
@@ -168,8 +169,12 @@ set(THREADX_TOOLCHAIN "gnu" CACHE STRING "")
 set(TX_USER_FILE "${CMAKE_CURRENT_SOURCE_DIR}/include/tx_user.h" CACHE STRING "")
 add_subdirectory(lib/threadx)
 
+set(FX_USER_FILE "${CMAKE_CURRENT_SOURCE_DIR}/include/fx_user.h" CACHE STRING "")
 add_subdirectory(lib/filex)
 
+set(NX_USER_FILE "${CMAKE_CURRENT_SOURCE_DIR}/include/nx_user.h" CACHE STRING "")
+add_subdirectory(lib/netxduo)
+
 # Shared sources, includes and definitions
 add_compile_definitions(${TARGET_C_DEFINES})
 include_directories(${TARGET_C_INCLUDES})
diff --git a/include/fx_user.h b/include/fx_user.h
new file mode 100644
index 0000000..c8b4730
--- /dev/null
+++ b/include/fx_user.h
@@ -0,0 +1,4 @@
+#ifndef FX_USER_H
+#define FX_USER_H
+
+#endif  // FX_USER_H
diff --git a/include/nx_user.h b/include/nx_user.h
new file mode 100644
index 0000000..03b7b45
--- /dev/null
+++ b/include/nx_user.h
@@ -0,0 +1,9 @@
+#ifndef NX_USER_H
+#define NX_USER_H
+
+#define NX_PACKET_ALIGNMENT 32
+
+/* Security */
+#define NX_SECURE_ENABLE
+
+#endif  // NX_USER_H
diff --git a/lib/netxduo b/lib/netxduo
new file mode 160000
index 0000000..e67c70e
--- /dev/null
+++ b/lib/netxduo
@@ -0,0 +1 @@
+Subproject commit e67c70ef358e36887bdb2ff7029807eaf234e97f