INSTALLING NS2 IN LINUX OPERATING SYSTEM

Step 1:

NS2 along with its supporting libraries and tools are available as ns-allinone package.

From the URL www.sourceforge.net, ns-allinone-2.30.tar.gz has been downloaded and stored in the local machine directory  /home/AMDI. From the local machine with the IP address 192.168.72.74, the users can download the package using the following command:

˜]$ /home/AMDI/ns-allinone-2.30.tar.gz ./

Step 2:

This compressed package can be extracted and stored in a directory,

 ns-allinone-2.30 by using the following command:

˜]$ tar -zxvf ns-allinone-2.30.tar.gz

Step 3:

Change the directory from the current directory to ns-allinone-2.30 directory. In that use the install script to install the package.

˜]$ cd ns-allinone-2.30

Step 4:

ns-allinone-2.30]$./install

./validate

Step 5:

After the successful installation, the path for bin, lib, Tcl, Tk and OTcl of the ns-allinone package has to be set by including the appropriate environment variables of bash shell in .bashrc file.

˜]$ vi .bashrc

Step 6: NS2 Path Setting in Linux OS

PATH=$PATH:/home/ccna1/ns-allinone-2.30/bin:/home/ccna1/ns-\\allinone-2.30/tcl8.4.13/unix:/home/ccna1/ns-allinone-2.30/tk8.4.13/unix

LD_LIBRARY_PATH=/home/ccna1/ns-allinone-2.30/otcl-1.12:/home\\/ccna1/ns-allinone-2.30/lib

TCL_LIBRARY=/home/ccna1/ns-allinone-2.30/tcl8.4.13/export PATH LD_LIBRARY_PATH TCL_LIBRARY

Step 7:

Then the .bashrc file can be read by the bash shell by executing the following command:

˜]$ source .bashrc

This ends the installation of ns-allinone package.

Step 8:

Finally check whether NS2 is Installed Properly in your system or not using the following Command in Terminal:

• NS2
• NAM
• NS

INSTALLING NS2 IN LINUX OPERATING SYSTEM