+ - CentOS : sudo yum install -y libpcap-devel
+
+Following libraries are required to compile and execute O1 module:
+
+- Netconf:
+ libssh, libyang, libnetconf2, sysrepo, netopeer2
+
+ Script is provided in the following folder to install these libraries
+
+ - Ubuntu :
+
+ | cd <O-DU High Directory>/l2/build/o1
+ | sudo ./install_lib.sh
+
+
+Cloning code
+--------------
+
+- Create a folder to clone the O-DU High code into. The folder is hereafter referred to as <O-DU High Directory>.
+
+- Clone code into <O-DU High Directory>
+
+ git clone "https://gerrit.o-ran-sc.org/r/o-du/l2"
+
+Compilation
+------------
+
+- Build O-DU High:
+
+ - Navigate to Build folder
+
+ cd <O-DU High Directory>/l2/build/odu
+
+ - Clean O-DU High binary
+
+ make clean_odu MACHINE=BIT64 MODE=FDD
+
+
+ - Build O-DU High binary
+
+ make odu MACHINE=BIT64 MODE=FDD
+
+ To build with O1 interface enabled:
+
+ make odu MACHINE=BIT64 MODE=FDD O1_ENABLE=YES
+
+- Build CU Stub :
+
+ - Navigate to Build folder
+
+ cd <O-DU High Directory>/l2/build/odu
+
+ - Clean CU Stub binary
+
+ make clean_cu NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
+
+ - Build CU Stub binary
+
+ make cu_stub NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
+
+- Build RIC Stub :
+
+ - Navigate to Build folder
+
+ cd <O-DU High Directory>/l2/build/odu
+
+ - Clean RIC Stub binary
+
+ make clean_ric NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
+
+ - Build RIC Stub binary
+
+ make ric_stub NODE=TEST_STUB MACHINE=BIT64 MODE=FDD
+
+- Build O-DU High with O1 interface enabled:
+
+ - Navigate to o1 Build folder
+
+ cd <O-DU High Directory>/l2/build/o1
+
+ - Clean O1 binary
+
+ make clean_o1 MACHINE=BIT64
+
+ - Build O1 binary
+
+ make o1 MACHINE=BIT64
+
+ - Navigate to odu Build folder
+
+ cd <O-DU High Directory>/l2/build/odu
+
+ - Clean O-DU High binary
+
+ make clean_odu MACHINE=BIT64 MODE=FDD
+
+ - Build O-DU High binary
+
+ make odu MACHINE=BIT64 MODE=FDD O1_ENABLE=YES
+
+
+
+The above generated images can be found at:
+
+- O-DU High - <O-DU High Directory>/l2/bin/odu
+
+- CU Stub - <O-DU High Directory>/l2/bin/cu_stub