🧠 How to Install ns-3.45 on Ubuntu 24.04 (Step-by-Step Guide)

If you're working with network simulation and want to install the latest version of ns-3, you're in the right place. Today, we’ll walk through the installation of ns-3.45 on the recently released Ubuntu 24.04.

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🖥️ System Requirements

Operating System: Ubuntu 24.04
ns-3 Version: ns-3.45

Find the complete video link here:

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🔧 Step 1: Install Prerequisites in Ubuntu

Open a terminal and run the following commands one after the other:

$ sudo apt update

$ sudo apt install g++ python3 cmake ninja-build git gir1.2-goocanvas-2.0 python3-gi python3-gi-cairo python3-pygraphviz gir1.2-gtk-3.0 ipython3 tcpdump wireshark sqlite3 libsqlite3-dev qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools openmpi-bin openmpi-common openmpi-doc libopenmpi-dev doxygen graphviz imagemagick python3-sphinx dia imagemagick texlive dvipng latexmk texlive-extra-utils texlive-latex-extra texlive-font-utils libeigen3-dev gsl-bin libgsl-dev libgslcblas0 libxml2 libxml2-dev libgtk-3-dev lxc-utils lxc-templates vtun uml-utilities ebtables bridge-utils libxml2 libxml2-dev libboost-all-dev ccache python3-full python3-pip 

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📦 Step 2: Download and Extract ns-3.45

Download the software from the official ns-3 website:

🔗 ns-3.45 Download Link

Move the downloaded file to your home directory (e.g., /home/pradeepkumar). Then:

Right-click → Extract
You’ll now see a folder named ns-3.45 in your home directory.

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⚙️ Step 3: Build and Install ns-3.45

Open a new terminal and run the following commands:

$ cd ns-3.45
$ ./ns3 configure --enable-examples --enable-tests
$ ./ns3 build 

✅ If you don’t encounter any errors, the installation was successful!

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🚀 Step 4: Run Example Simulations

Now, test the ns-3 installation with these examples:

$ ./ns3 run hello-simulator

$ ./ns3 run first

$ ./ns3 run third

If these examples run with expected outputs, your ns-3.45 setup on Ubuntu 24.04 is complete!

Python Bindings

$ python3 -m venv NS3-venv
$ source ./NS3-venv/bin/activate

(NS3-venv)$ pip install cppyy

$ cd ns-3.45/

$ ./ns3 run --enable-python-bindings

$ ./ns3
(It will run and compile)

$ ./ns3 run third.py

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🎥 Want More Simulations?

For more examples and advanced network simulations, check out my channel.
👉 Don’t forget to subscribe and join the community!

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