Installation of OpenFlow in NS3 is a simple task and here is the method to do that. NS3 version: ns-3.24.1 and ns-3.25 Assumption: You should have installed #ns3 already in your machine. #OpenFlow is a software helpful for Simulating Software Defined Networks (#SDN). There are some packages needed to enable OpenFlow. Download these packages and try the installation later. $] sudo apt-get install libboost-all-dev libxml2 libxml2-dev Go to the ~ns-allinone-3.24.1/ns-3.24.1 folder and give this command $] hg clone http://code.nsnam.org/openflow (if the above command does not work, the give this command) $] sudo apt-get install mercurial $] cd openflow $] ./waf configure $] ./waf build (if the build failed in the above steps, please give your comments) $] cd .. $] ./waf configure --enable-examples --enable-tests --with-openflow=path/to/openflow In my case $] ./waf configure --enable-examples --enable-tests --with-openflow=openflow After you run the above