What are the different types of Cisco IOS?

What are the different types of Cisco IOS?

There are two types of IOS operating systems: IOS XE – runs on top of a Linux kernel. IOS XE and IOS share a lot of the same code, but IOS XR is considered to be a completely different code base. IOS XR – based on QNX a commercial Unix-like real-time operating system.

How do I choose a Cisco IOS software release?

The first thing to check when choosing a Cisco IOS Software release is hardware support. You can find the software requirements of your hardware in the Cisco Product Documentation on Cisco.com. This information is needed to find out what version of software supports the hardware you want to run.

What does IOS stand for Cisco?

Cisco Internetworking Operating Systems
Cisco Internetworking Operating Systems (IOS) – Cisco.

Is Cisco IOS based on Linux?

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. While IOS XE (IOSd) and IOS share a lot of the same code, IOS XR is a completely different code base.

Does Cisco IOS use Linux?

How to choose a Cisco IOS software release-Cisco?

Go to the Download Software area. Choose Cisco IOS and NX-OS Software. Choose the Cisco IOS software release for which you are looking, for example, Main Line or Special and Early Deployment. Choose your product, for example, Cisco 3800 or 2800 Series.

Where to find Cisco IOS XE software release?

An additional way to see which version of the IOSd is included in a Cisco IOS XE Software 3E, 3S, 3SE, 3SG, or 3SP release is to visit the Software Center on Cisco.com, navigate to the Cisco IOS XE Software releases for the applicable platform, and refer to the name of the software image for the release.

When did Cisco IOS 15.0 se release date?

Some links below may open a new browser window to display the document you selected. Release Notes for the Catalyst 3750, 3560, 3560-C, 2960, 2960-S, 2960-C, and 2960-Plus Switches, Cisco IOS Release 15.0 (2)SE and Later 30/Aug/2018

How are Cisco IOS and Cisco NX-OS software families organized?

To better meet the requirements of different market segments, Cisco IOS Software and Cisco NX-OS Software releases are organized into software release families and trains. A software release family is software that shares a code base, applies to related hardware platforms, and has some overlap in the timeframe when it is actively supported.