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  1. Networking Software (IOS and NX-OS) - Cisco

    Cisco Networking Software (Cisco IOS, Cisco IOS XE, Cisco IOS XR, and Cisco NX-OS) is the world's most widely deployed networking software. It integrates cutting-edge technology, …

  2. Cisco IOS - Wikipedia

    In 2005 Cisco introduced the Cisco IOS XR network operating system on the 12000 series of network routers, extending the microkernel architecture from the CRS-1 routers to Cisco's …

  3. What is Cisco IOS software, and how does it work? - TechTarget

    Nov 21, 2023 · Cisco IOS (Internetwork Operating System) is a collection of proprietary operating systems (OSes) that run on Cisco Systems hardware, including routers, switches and other …

  4. Cisco IOS Explained with Features and Functions

    Jul 18, 2025 · What is the Cisco IOS? The Cisco IOS (Internetwork Operating System) is a proprietary operating system that provides routing, switching, and internetworking features. It …

  5. What is Cisco IOS - Overview and Description of Cisco's …

    IOS enables routing, switching, internetworking, and a variety of telecommunications functions on a whole series of Cisco network device platforms.

  6. Cisco IOS overview - Study-CCNA

    IOS (Internetwork Operating System) is a multitasking operating system used on most Cisco Systems routers and switches. IOS has a command-line interface with a predetermined …

  7. Cisco IOS vs IOS-XE vs IOS-XR vs NX-OS: Comprehensive …

    Sep 8, 2024 · Understanding the differences between Cisco IOS, IOS-XE, IOS-XR, and NX-OS is crucial for network engineers and IT professionals to choose the right solution for their network …

  8. Cisco IOS Explained: Everything You Need to Know About the …

    Mar 6, 2025 · In the world of networking, Cisco IOS (Internetwork Operating System) stands as a fundamental component of Cisco’s networking solutions. It is the software that powers most …

  9. Cisco IOS and IOS XE Software Vulnerabilities Let Attackers …

    Oct 17, 2025 · Cisco has disclosed a severe vulnerability in its widely used IOS and IOS XE Software, potentially allowing attackers to crash devices or seize full control through remote …

  10. Hackers exploit Cisco SNMP flaw to deploy rootkit on switches

    Oct 16, 2025 · Threat actors exploited a recently patched remote code execution vulnerability (CVE-2025-20352) in Cisco networking devices to deploy a rootkit and target unprotected …