Installing the ns Network Simulator

1
Installing the ns Network Simulator

• How to get and install ns2

2
Installing ns

• Operating systems
• Developed in Linux/Unix
• Source code 49 Meg
• 1. Mandrake 9.1 - compiles ok
• 2. Cygwin runs Linux code in Win
• 3. Windows

3
Mandrake 9.1 and ns

• Download 3 ISO files 650Meg
• Make 3 bootable disks
• Network setup - DHCP server
• Homepage ns
• http//www.isi.edu/nsnam/ns/
• Build separate components or
• Use allinone package

4
Mandrake 9.1 - 2

• Unpack and compile
• Directory usr/src
• Time 0.75 hours
• Linux Journal article

5
Full Linux install

• Mandrake or Redhat
• Logon as root
• cd /usr/src
• tar xzvf ns-allinone-2.1b8.tar.gz
• cd ns-allinone-2.26
• ./install
• To run use script - run-ns.sh

6
Typical shell script

• Simplified example
• !/bin/sh
• p1/usr/src/ns-allinone-2.1b9a/bin
• PATHPATHp1
• export PATH
• ns 1
• File all-path-run-ns.sh.txt

7
Cygwin and ns

• Online installation
• Loads 50 Meg use broadband
• Provides X terminal
• Run Linux code directly
• Operation depends upon hardware
• Uses Win partitions - FAT32

8
Cygwin 2

• Run native Linux code
• Translate Linux API to
• Win API
• Advantage
• Linux and Windows
• Reside in same partition

9
Windows and ns

• Pre-compiled versions available
• Microsoft or ns site (mirrors)
• Require 3 files - ns, nam, tcl
• ns 2.26, tcl 8.3 (not 8.4)
• Apache data archive - 120M

10
Windows - ns - 2

• Directory Network-Simulation
• Linux iso files
• Use wish to run tcl win shell
• To run ns enter
• ns ns-simple.tcl
• Recommended to get started