Cisco IOS Software General Information

Cisco IOS Software is the world's leading network infrastructure software, delivering a seamless integration of technology innovation, business-critical services, and hardware support. Currently operating on millions of active systems, ranging from the small home office router to the core systems of the world's largest service provider networks, Cisco IOS Software is the most widely leveraged network infrastructure software in the world.

Acquire Cisco IOS Software

What you'll need to know about downloading, updating, upgrading, licensing, and hardware considerations when it comes to Cisco IOS Software.

How to Download Cisco IOS Software

How to Update and Upgrade Cisco IOS Software

Cisco IOS Software Licensing

How to buy Cisco IOS Software

Memory Planning for Healthy Networks

The most costly and easily prevented problem in networks is running out of router memory.

Cisco IOS Software Reference Guide

Understanding the Cisco IOS® Software releases is essential to the design, deployment, and management of Cisco networks.

Cisco IOS Packaging

Cisco IOS® Packaging simplifies the image selection process by consolidating the total number of packages and using consistent package names across all hardware products.

Best Practices

Managing Releases (Migration)

Cisco IOS Software Product Lifecycle Dates & Milestones

Cisco's End-of-Life/End-of-Sale Policy

Cisco IOS Software End-of-Life/End-of-Sale Products

Archiving Cisco IOS Images

Innovations and Standards

Cisco, unique in its dedication to technology, invests billions of dollars a year on research and development, employs more than 12,000 engineers, and acquires companies with expertise in next generation internetworking technologies.

Latest Cisco IOS Technology and Release Information

Software Innovations Newsletter (Beyond Basic IP Newsletter)

Solution Partnership Program (Cisco IOS Software Partners)