Cisco IOS

Cisco Internetwork Operating System (IOS) is the software used on most Cisco network devices, including routers and switches, to manage and control network functions. IOS provides a command-line interface (CLI) for configuring, monitoring, and troubleshooting network devices. It supports a wide range of networking protocols and services, including routing, switching, security, and network management. Cisco IOS is known for its reliability and scalability, enabling network administrators to implement complex network architectures and policies. Its modular design allows for the addition of new features and capabilities through software updates and licensing.