Packet Tracer 6.2 has been released in february 2015 with version number 6.2.0.0052 (Packet Tracer 6.2 build 52). This new version is available in two versions which can be downloaded on Cisco networking Academy (netacad) platform : "Cisco Packet Tracer Student" and "Cisco Packet Tracer Instructor".
Packet Tracer 6.2 fixes several bugs reported in previous versions and includes a new Cisco 819 router, a wired sniffer with repeater functionnality and some new 3G/4G devices (3G/4G cell tower and central office (CO) server) as well as 3G/4G support for end devices (phone, tablet, server, ...)
Packet Tracer 6.2 is fully supported on Windows 7 and Windows 8 or 8.1. Support for Windows XP has been stopped by Cisco in this new version.
Packet Tracer 6.2 new features :
HTTP server (server device) :
Javascript and CSS support
HTTP and FTP linked file management support
Externel file import inside Packet Tracer HTTP server
New devices :
Cisco 819 Integrated Service Router with wlan access point capability and 3G/4G connectivity
3G/4G telephony cell tower
3G/4G central office (CO) server with coaxial connectivity with up to 8 cell towers
Cisco Packet Tracer 8.0.0 and GNS3 v2.2.19 have been released a few days ago. GNS3 v2.2 provides a new HyperV GNS3 VM and link status detection on QEMU. Check download page !
Introduction
Cisco Packet Tracer 8.0.0 and GNS3 v2.2 are two major network simulation software used for certification exam training (Cisco CCNA and CCNP for example) or network feature test without having to buy expensive real world equipment. The two software have been designed to address different needs.
Packet Tracer is a network simulator and embeds only limited real equipment features. GNS3 is a network emulator based on Dynamips and QEMU running real IOS images, virtual machines, ... The main limitation of GNS3 is the amount of ressources (CPU / memory) available on the PC for running the lab's emulated IOS images and virtual machines for clients & servers simulation.
GNS3 v2.2 official release is now available for download on GNS3 website. This new version released on September 30, 2019 with hyperV virtual machine and link status detection on QEUM. GNS3 also introduced support of new L4 / L7 devices :
Cisco security devices : this powerful network emulator now supports new Cisco security appliance to help network and security administrators to prepare security certification exams : Cisco Firepower Next-Generation IPS (NGIPS) threat appliances, Cisco Firepower Threat Defense Virtual NGFW appliances and Firepower Management Center Virtual.
Citrix ADC VPX load-balancer now available on GNS3 marketplace
Current GNS3 build is 2.2.19 as of March 05, 2021.
Cisco Packet Tracer 7.3 main new feature was the support of the CCNA 7 package which was not compatible with previous Cisco Packet Tracer versions. Cisco Packet Tracer 7.3.1 adds the long awaited "Keep me logged in" feature which removes the need to login to Cisco Netacad at each application launch.
Cisco Packet Tracer 7.3.1 supports activities authored in Cisco Packet Tracer 7.3.0, 7.1, 7.0, 6.3, 6.2, 6.1.1, 6.0.1 and 5.X. There is a small possibility you may encounter some warning messages. If so, you may disregard the message. It is simply a warning that scripts in this file need to be updated for Cisco Packet Tracer 7.3.1 compatibility.
Cisco Packet Tracer 7.3 workspace improvements :
“Keep Me Logged In” option that remembers Cisco Netacad authentication for 3 months
Changed install path on Mac to use Major.Minor version numbering change to allow for multiple versions of Packet Tracer to be installed at the same time
Updated high DPI support
Protocol and software improvements :
Reworked IPv6 behavior
Various bug fixes
Cisco Packet Tracer 7.3 added support for Ubuntu 18.04.3 (Bionic Weaver). Previous Ubuntu 16.04 (Xenial) version which is no longer supported in Packet Tracer 7.3.1
Keep me logged in feature
The netacad login page of Cisco Packet Tracer 7.3.1 has been improved. When Cisco Packet Tracer 7.3.1 is started for the first time, the following screen is displayed. A new "Keep me logged in option" is displayed at the bottom left corner of the page. This new feature improves user experience and application launch time. Netacad login has to be renewed after 3 month.
Precision Time Protocol 
