D.N.S. - A ready-to-use virtualmachine network simulator
D.N.S. - aka Debian Network Simulator - is a VirtualMachine prepared to run as a guest in VirtualBox to emulate complex networks.
It is based on Debian Jessie and is built around the well known GNS3 Project.
Thanks to D.N.S. you can emulate Cisco and Juniper devices, as well as different kind of servers, to build complex networks for testing purposes or to have an huge help to study for a certifications like CCNA, CCNP, JNCIA and so on.
The program Virtual Network Simulator for Web 2.0 is a tool that allows the simulation of assembly and configuration of computer network projects, virtual or physical. It also simulate the sending of a package between the hots of origin and destinati
niab - Network In A Box.
Create a virtual lab network inside one machine. A lab can include routers, firewalls, clients and servers connected by a network specified by you. [Linux Network Simulator, UML, user mode linux]