Download Cisco Packet Tracer 7.2.1 & GNS3

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Update 11/04/2019 : Cisco Packet Tracer 7.2.1 build is the first Packet Tracer version to have been released for MacOS !!


Download Cisco Packet Tracer 7.2.1

Cisco Packet Tracer 7.2.1 release info

Cisco Packet Tracer 7.2.1 has been released at the end of december 2018 and is now available for download on Netacad website. Check Cisco Packet Tracer 7.2 new features as Cisco Packet Tracer 7.2.1 is a maintenance release of Cisco Packet Tracer 7.2 .Packet tracer 7.2.1 replaces Packet Tracer 7.2 which is not available anymore for download.

Cisco Packet Tracer 7.2.1 is created by Cisco SystemsTM and is now provided for free to everyone. Self learners are now able to download Cisco Packet Tracer after registering on Cisco Netacad website. This is a major change in Cisco delivery policy for Packet Tracer as previous versions were only available for Netacad students and instructors.

A free Packet Tracer 101 (English), a 1-hour self-paced online course is also offered to every registered student to help them get started with Cisco Packet Tracer 7.2.1 . Cisco Packet Tracer 7.1.1 will continue to be available for download on the Netacad website, but older versions have been removed from the netacad website.


Cisco Packet Tracer 7.2.1 download data

Cisco Packet Tracer 7.2.1 can be downloaded for FREE from official Cisco Netacad website. Log in to Cisco learning website and select Resources > Packet Tracer in the menu to access the download page. The software is provided with several tutorial files allowing academy students to discover the software features.

Cisco Packet Tracer 7.2.1 netacad download page

Cisco Packet Tracer 7.2.1 official download page

Cisco Packet Tracer files checksums

File : Packet Tracer 7.2.1 for Windows 32 (Windows 7, 8.1, 10)
MD5 : 2B6D1D2116173ECA186008273B4E0B01
SHA-1 : F84E1A08B0B4F38AC977A11C7071E20C028B8D3E

File : Packet Tracer 7.2.1 for Windows 64 (Windows 7, 8.1, 10)
MD5 : 7EB8935C9796F5EC6106BFE638A71D5E
SHA-1 : 3BD94E508F8E34AAE729B5B0D8AD4E3CFAFC9B6A

File : Packet Tracer 7.2.1 for Linux 64 bit.tar.gz (Ubuntu 14.04)
MD5 : 7F7CCEDA81E0ACAB91881BCF37984D83
SHA-1 : B95E0A58E9A65C623B6534BD42855117E25C50D3

File : PacketTracer721_mac.dmg
MD5 : 1742CDC74D6329A15500BA1E7B912A53
SHA-1 : 8F5CDEC38D9261EB38080738E765574E46C20911

Cisco Packet Tracer 7.2.1 can be installed on Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows 10,  Ubuntu 16.04 LTS and MacOS.

Warning : We strongly advise you to not download Cisco Packet Tracer from any other websites or torrent source as the software can be infected with viruses or malware. This website provides SHA and MD5 checksums of official Packet Tracer version to help you to check if the software you downloaded is valid.


Keep your Cisco Packet Tracer updated !

Cisco development team periodically publish Cisco Packet Tracer updated builds on Netacad.

The current Cisco Packet Tracer 7.2.1 build is build

An update info box would be nice to inform users of the availabilty of new versions.


Previous version : Cisco Packet Tracer 7.1.1

Cisco Packet Tracer 7.1.1 build was released on at the begining of January 2018. This was a maintenance release correcting various bugs of Cisco Packet Tracer 7.1 & 7.0, which introduced IOS 15.5(3), Cisco wireless emulation capabilities (WLA, CAPWAP, LWAP, as well as IoT support.

Cisco Packet Tracer 7.1.1 can be downloaded for FREE from official Cisco Netacad website. 

Cisco Packet Tracer files checksums

File : Packet Tracer 7.1.1 for Windows 32 bit.exe (Windows 7, 8.1, 10)
File size : 124.2MB
MD5 : 68715988630B97DC4F05A9F744088F39
SHA-1 : 68F3E227AC147CE3295A71E0F44C6B4D16006A5E

File : Packet Tracer 7.1.1 for Windows 64 bit.exe (Windows 7, 8.1, 10)
File size : 131.9MB
MD5 : F6E60048FD7B8539ECEFB2FE6CFD5769
SHA-1 : 77B5D0EBB2E6E8C33974CB96C53102BD9D6AC3F5

File : Packet Tracer 7.1.1 for Linux 64 bit.tar.gz (Ubuntu 14.04)
File size : 155.3MB
MD5 : AB2A757245298F8B730D2D2BA87850B9
SHA-1 : A84C094CE0233C7750486C09EC562F80C70DE2A5

Cisco Packet Tracer 7.1.1 for Linux can be installed on Debian 9, Ubuntu 17.04, Mint 18.3 Sylvia.


Download Cisco Packet Tracer Mobile 3.0

Cisco Packet Tracer Mobile 3.0, based on Packet Tracer 7.0 engine, is now freely available for Android and Apple mobile devices. Check the new features here

Cisco Packet Tracer Mobile can be freely downloaded on Google Play Store or Apple Store. Register on Cisco Netacad (now free registration open !) before using the software and use your credentials to unlock the software.

Download Cisco Packet Tracer Mobile 3.0 on Google PlayDownload Cisco Packet Tracer Mobile 3.0 on Apple Store


Download GNS3 2.1 & 2.2

GNS3 v2.2 new features

GNS3 v2.2 is also under active development and version 2.2.0 beta 4 has been released 3 days ago on Github (July 11th, 2019).

The new features of GNS3 2.2 are :

  • New WebUi (read-only)
  • GNS3 VM now based on Ubuntu 18.04 LTS linux distribution as well as Hyper-V support for the GNS3 VM deployment
  • New symbols (affinity theme)
  • New template creation system
  • Link status detection for Qemu VMs
  • Custom adapters configuration
  • Console support for clouds
  • Project import/export

GNS3 v2.2.0 beta 4 fixes the following GUI and GNS3 server issues :

  • GNS3 GUI :
    • Fix issue preventing to open the QFileDialog in the correct directory.
    • Remove unused edit readme action.
    • Remove deprecated Qemu parameter to run legacy ASA VMs.
    • Upload images on remote controller.
    • Preferences dialog: send API request only if connected to controller
    • Fix AttributeError: 'QGraphicsTextItem' object has no attribute 'locked'.
    • Fix KeyError: 'chassis' when converting old IOS templates.
  • GNS 3 Server
    • Requires a project to be opened to start/stop/suspend all nodes.
    • Fix issue when starting GNS3 VM for Hyper-V
    • Set defaults for custom cloud nodes.
    • Fix issue when trying to rename a Dynamips node that is already powered on
    • Remove deprecated Qemu parameter to run legacy ASA VMs.
    • Add debug message when searching for an image.

Download GNS3 v2.2.0b4 for Windows


GNS3 v2.1.20

GNS3 v2.1.20 has been released for download on May 29th, 2019 ! This maintenance version corrects various bugs in GNS3 v2.1.0 which introduced new features such as packet filters (packet loss, latency, jitter etc.) for links, node duplication and appliance templates which can be installed from within the application. Qith GNS3 v2.1.16, NPF or NPCAP service are not mandatory anymore to start the GNS3 local server on Windows.


What's new in GNS3 v2.1.20 ?

  • GUI :
    • Fix KeyError: 'endpoint' issue. Fixes bug#2802
  • Server :
    • Ignore Unicode errors when reading base config file contents.


Known issue : GNS3 virtual machine update from 2.1.3 to 2.1.4 might fail with a permission denied error. The following command solves the issue :

sudo chown -R gns3:gns3 /home/gns3/gns3-server 


GNS3 v2.1.20 checksums (May 29th, 2019) :

== GNS3-2.1.16-all-in-one.exe ==

sha256 : 9F8A9A29047D5BCCA6A7E044ED7C12F6F6751BF9B07E72B610BCAABECFF0FBDB
sha1 : B219D807993190DA3AAC14AF70D42772C6DEDA31
md5 : 321C2DF614A20977B86B8E7BD540883B

Download GNS3 v2.1.20 for Windows


Other network emulators and Cisco Packet Tracer add-ons download

Cisco NX-OSv 9000 appliance

The NX-OSv 9000 is a virtual appliance designed to simulate the control plane of a Cisco Nexus 9000 switch. The NX-OSv 9000 shares the same software image running on Cisco Nexus 9000 hardware platform. Line card (LC) ASIC provisioning or any interaction from the control plane to rela switch ASICs are emulated by the NX-OSv 9000 software data plane.

Following the the Nexus 7000 Titanium emulator, the NX-OSv 9000 is a moder emulator for datacenter certifications training. It's also great plaform to test network automation prior to production deployment.

NX-OSV 9000 runs on GNS3, KVM, or VMware NSX.

Download NX-OSv 9000 from Cisco website

Cisco UCS Platform Emulator

UCS PE (Platform Emulator) is a powerful Cisco UCS Manager emulator allowing CCNP datacenter students to learn how to configure the UCS environment. The current version emulates the UCS manager 3.2(3e), which includes new hardware configurations with M5 ans HX servers. The S3260 storage server is also emulated in UCS PE. These release can't be connected to GNS

Download Cisco UCS PE 3.2(3e) OVA image


PT Anywhere

PT Anywhere is a web application designed to offer a network simulation environment based on Cisco Packet Tracer engine throug a web interface which can be accessed from a web browser. PT Anywhere can as such be integrated inside a website, an online course, a learning systm like moodle... It has been developed by the Open University and Cisco and has been funded by the FORGE project.

PT anywhere can be downloaded from

Documentation to install and integrate PT Anywhere with Cisco Packet Tracer is available from


PTBridge - Connect Cisco Packet Tracer 7.0 to a real network

The PTBridge java utilitary has been validated working with Cisco Packet Tracer 7.0 . This tool provides real network connectivity to Cisco Packet Tracer, and thus the ability to connect to other lab environments. Download it from Github and connect your Packet Tracer labs to your real Cisco devices !.

Download PTBridge from GitHUB

Download PacketSocket library from GitHUB