How to install ns-3.33 in Ubuntu-LTS 22.04

[Dev Gupta]

I want to install ns3.33 in Ubuntu 22.04, but I am getting a lot of errors while building ns3.

I want to know can we still install and run this version of ns3 or is it too old now.

Thank you for any kind of help

[Tommaso Pecorella]

Too old.

[Tom Henderson]

Tommaso, can you clarify?  I don't think ns-3.33 is too old to install in Ubuntu 22.04.

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[Tommaso Pecorella]

Perhaps not, but you'll need some tinkering. If you download ns-3.33 on Ubuntu 22.04 and you try to compile you'll get errors, like:

../src/core/helper/csv-reader.cc: In member function ‘bool ns3::CsvReader::GetValueAs(std::string, signed char&) const’:

../src/core/helper/csv-reader.cc:182:26: error: ‘numeric_limits’ is not a member of ‘std’

  182 |   if (tempOutput >= std::numeric_limits<byte_type>::min ()

This is due to the fact that gcc is "new", and ns-3.33 uses "old" (and deprecated, or removed) library calls.

So, perhaps it's not impossible, but it doesn't work out-of-the-box.

[Tom Henderson]

Probably installing and using g++-9 will suffice.  This page may help:

https://linuxconfig.org/how-to-switch-between-multiple-gcc-and-g-compiler-versions-on-ubuntu-22-04-lts-jammy-jellyfish

If g++-9 is installed, one doesn't necessarily need to use update-alternatives; one can do:

CXX=g++-9 ./waf configure --disable-werror (... rest of configuration options)

CXX=g++-9 ./waf build

See this page:

https://www.nsnam.org/wiki/HOWTO_build_old_versions_of_ns-3_on_newer_compilers

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[Talha Ibn Aziz]

Thank you so much! This helped a lot instead of downgrading and upgrading Ubuntu for every issue.

I was able to install and run NS3 version 3.33 (created the project before - hence the older version) in Ubuntu 24.04 with this solution.

[압둘하미드이드리스]

Can you give details about installing the latest version of that in the same platform?

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