Ns2 Simulation Code and Example

Let’s start this article “Ns2 simulation code and example” with some tips to execute the Ns2 simulation code to acquire the finest result with the guidance of our well knowledgeable research professionals.

There are two significant programming languages which are deployed to make simulation codes and they are C++ and OTcl.

While writing the below mentioned C++ based Ns2 program code in the source code file, we have to store that with the file extension of .cc.

  • C++ based simulation code in Ns2 for TCP based Nam trace generation

            if (nam_tracevar_) {


            } else if (trace_all_oneline_){


            } else {



  • Sample OTcl script code in Ns2 to configure nodes

      for {set i 0} {$i < $val(nn) } {incr i } {

            $node_($i) color black

            $ns at 0.0 “$node_($i) color odourless”

            $ns at 0.0 “$node_($i) add-mark m10 blue circle”


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