Cisco IOS XE vs IOS XR (2025 Edition): Architecture, Features & Use Cases Explained
Introduction - Why Cisco Has Multiple Operating SystemsCisco offers multiple network operating systems - IOS, IOS XE, IOS XR, and NX-OS - each tailored for different infrastructures and scale requirements. While the classic IOS remains well-known for its simplicity, the newer IOS XE and IOS XR introduce advanced arc...