Dynamips is a Cisco router emulator written by Christophe Fillot. It emulates 1700, 2600, 3600, 3700, and 7200 hardware platforms, and runs standard IOS images. ( This discription is taken from
http://dynagen.org/tutorial.htm#_Toc193247991 )
Dynagen:
Dynagen is a front-end for use with the Dynamips Cisco router emulator. It uses an INI-like configuration file to provision Dynamips emulator networks. It takes care of specifying the right port adapters, generating and matching up those pesky NIO descriptors, specifying bridges, frame-relay, ATM switches, etc. It also provides a management CLI for listing devices, suspending and>
http://dynagen.org/ )
This tutorial helps you to run cisco IOS images using Dynamips-Dynagen emulators in ubuntu. Will be much useful to those whose are preparing for cisco certifications.
This tutorial doesnot explains extended network configuration of Dynamips. This guide simply provides you on howto install Dynamips-Dynagen in ubuntu and run a cisco router IOS image in ubuntu.
Following softwares/libs are required to run Dynamips-Dynagen
1) libpcap v0.9.x
2) python v2.5.x
Use synaptic package manager to install the above softwares
1) Go to Start>System>Administration>synaptic package manager
2) Search libpcap & python
3) Mark the above mentioned versions and press apply to install.