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gns3

Graphical Network Simulator
http://www.gns3.net/
Score:
 36
20 reviews
Description:

GNS3 is a graphical network simulator that allows simulation of complex networks and to launch simulations on them. It is an excellent complementary tool to real labs for administrators of Cisco networks or people wanting to pass their CCNA, CCNP, CCIP or CCIE certifications. It can also be used to experiment with features of Cisco IOS or to check configurations that need to be deployed later on real routers.

You may configure devices ranging from Cisco routers, Cisco PIX firewalls, Cisco ASA Firewalls, Cisco IDS to JunOS routers using Qemu or Pemu. GNS3 uses dynamips as an emulation back end, an IOS emulator which allows users to run IOS binary images from Cisco Systems.

Cisco IOS, PIX, ASA or JunOS software images are not included.

User reviews:
ScoreComment

zID_ru
1 year ago
5 Great!

vinayakv
3 years ago
5 need update

Abode
3 years ago
4 good

sanjib
3 years ago
4 why not upto date yet?

coolmon
3 years ago
5 Awesome app, would be nice with a newer version.

luk-vievsky
3 years ago
5 My first comment

mr-shahin
4 years ago
5 best app for routing... can't live while i wan2 on windows and when came to linux

amanjosan2008
4 years ago
5 Great software..

disPPlay
5 years ago
5 Very powerful network emultaor

mehdinewdesign
5 years ago
5 Its Awesome!

Maharshi
5 years ago
5 Best Software

sujitnag
5 years ago
5 best

ilesterg
6 years ago
5 totally awesome!

lucianix
6 years ago
5 This is a very powerful emulator, only thing is the latest verion is 0.8.3 already.

Mored1984
6 years ago
5 Best

groovydaddy
7 years ago
5 Very good router emulator. I'm a student at ITT Tech, and this tool has been most useful in my networking classes.

quaie
7 years ago
5 excellent, runs even better than the m$windows version (if resources available); don't forget to setup a pc-idle value for emulated routers

sanusijr
7 years ago
5 best cisco router emulator

aiacomp
7 years ago
3 Very simple.

robertofmj
8 years ago
5 Best choice for cisco networking students. Beautiful and simple gui interface !