ns3 from science project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/science/openSUSE_Tumbleweed/science.repo zypper refresh zypper install ns3
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/science/openSUSE_Factory_PowerPC/science.repo zypper refresh zypper install ns3