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Installing ns-3.37 and ns-3.35 in Ubuntu | Ubuntu 22.04 | NS3

Multiple Versions of ns3 in Ubuntu 22.04 In this post, we are going to install two versions of ns3 namely ns-3.35 and ns-3.37  My OS is : Ubuntu 22.04 LTS (Long Term Support) ns-3.35 uses waf and (./waf --run scratch/first)  ns-3.37 uses cmake  (./ns3 run scratch/first.cc) So we will install both the packages  Go through the video for complete instructions To start with  $ sudo apt update  $ sudo apt install build-essential autoconf automake libxmu-dev g++ python3 python3-dev pkg-config sqlite3 cmake python3-setuptools git qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools gir1.2-goocanvas-2.0 python3-gi python3-gi-cairo python3-pygraphviz gir1.2-gtk-3.0 ipython3 openmpi-bin openmpi-common openmpi-doc libopenmpi-dev autoconf cvs bzr unrar gsl-bin libgsl-dev libgslcblas0 wireshark tcpdump sqlite sqlite3 libsqlite3-dev  libxml2 libxml2-dev libc6-dev libc6-dev-i386 libclang-dev llvm-dev automake python3-pip libxml2 libxml2-dev libboost-all-dev  I have downloaded both the versions of ns3 fr

Error: Meta size 4064 too large (max = 1000)

Error: Meta size 4064 too large (max = 1000) When using Mannasim Simulator for ns2, you may encounter this error when you are trying to run a tcl file with LEACH protocol. Here is a small workaround for the solution. To install mannasim, please go here . To overcome the above error, open the file ~ns-2.35/common/packet.h and change the following line struct hdr_rca {        int msg_type_;        char meta_[1000]; to struct hdr_rca {        int msg_type_;        char meta_[5000]; Since I get 4064 as meta size, i changed it to 5000, if you get more than 4064, then accordingly you can increase the meta size and compile it.  Here is the important step to compile   ~ns-2.35 $] ./configure --with-tcl-ver=8.5 ~ns-2.35 $] make Sometimes simply typing make will compile, but the .object files would not be created. So use the above two steps. Here is the screenshot. Mannasim Meta Size Error T S Pradeep Kumar