Official website. Cisco IOS XE. IOS XE is a train of Cisco Systems’ widely deployed Internetworking Operating System (IOS), introduced with the ASR 1000 series.

What does IOS XR stand for?

IOS XR is a train of Cisco Systems’ widely deployed Internetworking Operating System (IOS), used on their high-end Network Convergence System (NCS), carrier-grade routers such as the CRS series, 12000 series, and ASR9000 series.

What does Cisco IOS stand for?

Cisco Internetwork Operating System (IOS) is a family of network operating systems used on many Cisco Systems routers and current Cisco network switches.