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Cisco IOS XE

Software for a new era in networking

Cisco IOS XE 16 is an open and flexible operating system optimized for a new era of enterprise networks.

Its standards-based programmable interfaces automate network operations and give you deep visibility into user, application, and device behaviors.

As the single OS for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity. You can qualify and deploy new services faster.

Open, resilient, secure


Accelerate your network innovation with our open, standards-based capabilities. These include NETCONF (RFC 6241) programmable interfaces, IETF YANG push telemetry, OpenConfig and IETF YANG data models, and Guest Shell Linux Containers (LXC).

Highly available and resilient

Developed with resiliency in mind, Cisco IOS XE reduces planned and unplanned downtime. Service and software upgrades are more efficient, and Graceful Insertion and Removal lets you update or debug a switch without disrupting network traffic.

Built-in security and trust

Cisco IOS XE helps protect against modern cyberattacks. It assures that Cisco hardware and software are genuine and unmodified. And its enhanced platform integrity, security, and resilience mean you can be confident that data is trustworthy.

News and events

Programmability: A Catalyst for Agile Operations

See Cisco’s vision for programmability, and what you can do today with Catalyst switches and open APIs.

New live workshop with Q&A

Take your network programming knowledge and skills to the next level.


Cisco IOS XE overview