
But using these GNS3 IOS images is not that straight forward if you are new to GNS3.

Once you have completed the Cisco IOS download process on your computer by getting the GNS3 router images linked above, you can go ahead and add them to GNS3 and start using them. You can simply follow the given links one by one to download these GNS3 router images on your computer and start using them: We have provided some of the most common GNS3 IOS images in this article. But, just like GNS3 itself, you have to first get GNS3 IOS images downloaded on your computer.īut, as networking and network simulation is such a wide topic, there are a lot of files available. GNS3 is an excellent alternative or complementary tool to real labs for network engineers, administrators and people studying for certifications such as Cisco CCNA, CCNP andCCIE as well as Juniper JNCIA, JNCIS and JNCIE.After GNS3 download has been successfully completed on your computer, it means that you can start using it for things like using the Cisco IOS images for GNS3. QEMU, a generic open source machine emulator, it runs Cisco ASA, PIX and IPS.VirtualBox, runs desktop and server operating systems as well as Juniper JunOS.Dynamips, the well known Cisco IOS emulator.

In order to provide complete and accurate simulations, GNS3 actually uses the following emulators to run the very same operating systems as in real networks: GNS3 provides an intuitive graphical user interface to design and configure virtual networks, it runs on traditional PC hardware and may be used on multiple operating systems, including Windows, Linux, and Mac OS X. GNS3 is an open source (GNU GPL) software that simulates complex networks while being as close as possible from the way real networks perform, all of this without having dedicated network hardware such as routers and switches. If you face any problem setting it up with GNS3 drop me a message and I will get back to you asap.

Old ones are kept intact for your reference. Download here – įeel free to download them and use them for your Cisco certifications studies. Update as on 14th May 2018 – Cisco IOS GNS3 – Srijit’s BlogĪll the IOS, IOU, Nexus and other images has been updated, checked and verified with latest GNS3 & GSN3 VM. Here I am listing all the working versions of Cisco IOS which I have tested with the latest version of GNS3.
