IOS: Releases, patches & end-of-life
QMETHODS GmbH

Lifecycle guide for IOS from Cisco Systems

All releases, patches, maintenance and support periods at a glance

All supported productsFree Versio.io trial
📅 Last update on 2026-04-16

What is IOS?

Automate product release and end-of-life managementCisco IOS is the world"s leading network infrastructure software, integrating innovation and business-critical services for enterprise networks.
 

The entire lifecycle of IOS

The following figure shows you the visualised product life cycle of IOS. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.
IOS (Cisco Systems) release, version and end-of-life information
XIOS (Cisco Systems) release, version and end-of-life information
Figure: Release, patch and end-of-life cycle of product IOS (Cisco Systems)
 

Facts and figures about IOS

Product
IOS
Vendor
Cisco Systems
Latest version
17.17.1
Number of releases
38
Number of versions
634
Number of unstable versions
0
Number of versions affected by CVE
514
Licence
Commercial
Wikipedia
https://en.wikipedia.org/wiki/Cisco_IOS
 
 

Questions or interested? Talk to me!


Lukas Böttcher
Lukas Böttcher
Business Development Manager
P:  +49-30-221986-51
LinkedIn