Quick Answer: What Is the Current Version of Cisco Ios?
Contents
Developer Cisco Systems
Latest release 15.9(3)M / August 15, 2019
Available in English
Platforms Cisco routers and Cisco switches
Default user interface Command-line interface

What OS is Cisco IOS based on?

Cisco IOS is a monolithic operating system running directly on the hardware while IOS XE is a combination of a linux kernel and a (monolithic) application (IOSd) that runs on top of this kernel.

How do I check my Cisco IOS version?

On the first few lines of output, the show version command displays the IOS version number and its internal name. The IOS internal name tells you about its capabilities and options. In the above example the IOS version is 11.3(6) and its name is C2500-JS-L.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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