Once the repository has been added, installation of GNS3 packages on Ubuntu 20.04 can be performed. Done Step 2: Install GNS3 GUI & GNS3 Server on Ubuntu 20.04 Press to continue or Ctrl-c to cancel adding it. Input your user password and Press to continue: password for jkmutai: Run the following commands to add the GNS3 repository: sudo apt update We will initiate the installation by adding the repository, do system update, then installing required packages on Ubuntu Linux. Installation of GNS3 on Ubuntu 20.04 (Focal Fossa) is done from a PPA repository. GNS3 has native support for Linux without the need for need for additional virtualization software Install GNS3 on Ubuntu 20.04 (Focal Fossa).GNS3 supports both free and paid hypervisors – Virtualbox, VMware Workstation, VMware Player, ESXi, Fusion.It has support for multiple switching options (ESW16 Etherswitch, IOU/IOL Layer 2 images, VIRL IOSvL2).GNS3 can run with or without hypervisors in multi-vendor environments.GNS3 supports all VIRL images (IOSv, IOSvL2, IOS-XRv, CSR1000v, NX-OSv, ASAv).There is no limit on the number of devices supported – CPU and RAM hardware is your only limitation.Fully free and Open Source – No monthly or yearly license fees.With all available tools you’ll be able to simulate complex network scenarios and sent packets through as if you’re working on actual appliances. The Virtualization for instances used in inter-connection includes VirtualBox, VMware and Docker. GNS3 tool can be installed on Windows, macOS and on Linux. This includes but not limited to Cisco Certifications- CCNA, CCNP, CCIE, Juniper certifications, Aruba, HPE and many other vendors.

For Students preparing for Networking Certifications, this tool is key for acing the exam. GNS3 network emulator is an open source tool used to simulate, configure, test and troubleshoot virtual and real networks. In this guide I’ll walk you through the steps required to install GNS3 on Ubuntu 20.04 (Focal Fossa).

Ubuntu server vmdk