• Cisco IOS® Software is the world's leading network infrastructure software, delivering a seamless integration of technology innovation, business-critical services...
  • Cisco Support Category page for Networking Software (IOS & NX-OS) - My Devices, Support Documentation, Downloads, and End-of-Life Notifications.
  • Below you can see how IOS looks like when a Cisco device is launched for the first time, using a 3745 router as an example
  • The Internetworking Operating System (IOS) is a family of proprietary network operating systems used on several router and network switch models manufactured by Cisco...
  • If you want to emulate the use of network devices like routers and switches on GNS3, you need to download Cisco IOS images.
  • Cisco IOS XE is the latest version of the operating system, designed for modern networking environments that require high scalability and programmability.
  • IOS Firewall provides integrated firewall functionality directly within Cisco routers, enabling simultaneous routing and firewall capabilities.
  • The IOS operating system is used to configure routing, switching, internetworking and other features supported by Cisco IOS devices.
  • Currently, the IOS runs on most Cisco routers as well as a growing number of Cisco Catalyst switches such as Catalyst 2960 and 3560 series switches.