GNS3
GNS3
2.2.3

5.0

GNS3 free download for Mac

GNS3

2.2.3
12 November 2019

Graphical network simulator that allows simulation of complex networks.

Overview

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

To allow complete simulations, GNS3 is strongly linked with:

  • Dynamips, the core program that allows Cisco IOS emulation
  • Dynagen, a text-based front-end for Dynamips
  • Qemu, a generic and open source machine emulator and virtualizer
  • GNS3 is an excellent complementary tool to real labs for network engineers, administrators and people wanting to pass certifications such as CCNA, CCNP, CCIP, CCIE, JNCIA, JNCIS, JNCIE
Features:
  • Design of high quality and complex network topologies
  • Emulation of many Cisco IOS router platforms, IPS, PIX and ASA firewalls, JunOS
  • Simulation of simple Ethernet, ATM and Frame Relay switches
  • Connection of the simulated network to the real world!
  • Packet capture using Wireshark
  • Important notice: users have to provide their own IOS/IPS/PIX/ASA/JunOS to use with GNS3

What's new in GNS3

Version 2.2.3:
Gui
  • Fix issue when binding on 0.0.0.0. Fixes #2892
  • Allow double click on cloud with configured console to open session. Fixes #2894
  • Officially support Python 3.8. Ref #2895
  • Set psutil to version 5.6.3 in requirements.txt
Server
  • Improved how the path to the config file is actually determined
  • Return HTTP status code 204 in API when project successfully closed. Fixes #1689
  • Python3.8 support. Ref #2895
  • Make sure still support Python >= 3.5.3
  • Added workaround for #1690. Added venv/ to .gitignore
  • Fix exception when adding VirtualBox VM. Fixes #1685.
  • Set psutil to version 5.6.3 in requirements.txt
  • Add LimitNOFILE=16384 to GNS3 service. Ref #1678
  • Change the default UDP port range to be 20000 to 30000. Ref #1271

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