Thursday, December 15, 2011

Cisco Router Simulator (emulator) 模擬器

Cisco Router Simulator (emulator) 模擬器

Packet Tracer - is a Cisco router simulator that can be utilized in training and education, but also in research for simple computer network simulations.

http://www.cisco.com/web/learning/netacad/course_catalog/PacketTracer.html

Dynamips - is an emulator program that was written to emulate Cisco routers. Dynamips runs on Linux , Mac OS X or Windows and can emulate the hardware of the Cisco series routing platforms by directly booting an actual Cisco IOS software image into the emulator.

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 reloading instances, determining and managing idle-pc values, performing packet captures, etc.

http://dynagen.org/

GNS3 - is a graphical network simulator that allows simulation of complex networks.

To provide complete and accurate simulations, GNS3 is strongly linked with:

- Dynamips, a Cisco IOS emulator.
- Qemu, a generic and open source machine emulator and virtualizer.
- VirtualBox, a free and powerful virtualization software.

http://www.gns3.net/

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