How to install NS2 on windows 7

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Here I will show you how to install NS2 on Windows 7(32-bit | 64-bit):
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Important:Your User Name Shouldn't Contain any SPACE(e.g: ram sahu).If contain then change it.
Step 1: 
  •  Go to these link and download the three .rar files and place them in a single folder.
  • Link for part 1(100Mb):NS 2.35-Part1
  • Link for part 2(100Mb):NS 2.35-Part2
  • Link for part 3(19.49Mb):NS 2.35-Part3 
Step 2: 
  • Now Extract the NS 2.35.part1 only.It will extract the part2 an part3 automatically.
  • Note:
  • Extract after complete download
  • Don't Extract the part2 and part3 
Step 3:
  •  After extraction you'll get a folder named NS 2.35
  • Inside this folder you get cygwin setup , .bashrc etc.. 
  • Now install the setup.  Choose install from local directory

 
  • Press Next
  • Don't change the default Root Directory
  • In Local Package Rpository field browse to: NS 2.35/nslocal/release 


  • Click Next
  • Click on the Circle
  • After clicking the circle the default turn toinstall
  
  • After this press Next it will install the necessary packages for NS2
  • check create a desktop shortcut and start menu shortcut
  • Then installation finished.:)p
  • Now you are halfway done !!!
  • Now You'll get a screen like this:
  • Now create a folder Named Noureddinein C:\cygwin\home
  • Now copy the ns-allinone-2.35-RC7avecxgraph.rarand Extract there. You'll get  ns-allinone-2.35-RC7 folder.
  • Now cpoy the .bashrc file from the downloaded Extract folder
  • Now go to the "C:\cygwin\home\prittam" here"prittam" indicate my user name in your case it will be your user name.And replace(i.e paste) the .bashrc file that you copied.
  • Now open the Cygwin command window which is on your desktop and type source .bashrc
  • Now type ns  "$" change to "%"

  • Now type ns-version it will show like:

  • Now press exit.
  • Now type startxwin you'll get a window like this:

  • Now type nam you'll get a screen:
  • Now go to file and quit the nam window
  • Now hold the main tab and drag your mouse to quit from Cygwin window(the white window)
  • And exit from 'cygwin command' window (typeexit)
  • Important:
  • go to Taskmanager(Alt+Ctrl+Del) and goto process tab and search for XWin.exe


  • End process
  • If you not do this when you press startxwin inCygwin command window for the second time then you get this:


  • Now open the cygwin command  window startxwin and type ns yourfilename.tcl then nam file is generated and type nam yournamfile.nam
  • For my case:



    • Write your code in notepad++ and save with .tcl extension


    Any query please do write as comment or send mail "anji.dvsr@gmail.com"
    Thank u 

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