GNS3 is one of best and my favorite graphical network simulator use for simulating network topologies and network Labs virtually in your personal computer. Layer 3 IOS image for GNS3 with Switching Why do we need the GNS3 VM?: 0:50 Download Cisco VIRL IOS Images: 2:30 Import appliances into GNS3: 4:45 Build Cisco topology in GNS3: 7:15 Change GNS3 symbols / icons: 8:05 Configure Cisco IOS devices: 9:35 Add Docker container to network: 12:44 Save configurations, close GNS3 and restore GNS3: 16:02 GNS3 links. End-of-Sale and End-of-Life Announcement for the Cisco IOS Software Release 12.2(50)SE for Cisco Catalyst 3750, 3560, 2960, and ME 3400 Series Switches Relocation content for EOL7415 0. Gns3 is one of the famous network simulator and its hot feature is that it can run the real Cisco IOS.

IOS image support different packages like routing, switching and inter-networking etc.

Working 3745 IOS download for Gns3 IOS image is software or Operating System used in most Cisco routers and switches.