Out of Date Information!

This documentation is for Cumulus Linux 3.3.2, which is an older version of the software. If you are using the current version of Cumulus Linux, this content may not be up to date. The current version of the documentation is available here: Cumulus Linux User Guide. (If this link does not take you to the correct page, that page may have been renamed or deleted. Try navigating from the main page of the current documentation.)

Introducing Cumulus Linux

Cumulus Linux is the networking industry's first full-featured Linux operating system. The Debian Jessie-based, networking-focused distribution runs on hardware produced by a broad partner ecosystem, ensuring unmatched customer choice regarding silicon, optics, cables, and systems.

This user guide provides in-depth documentation covering installing Cumulus Linux, system configuration and management, network solutions, and monitoring and troubleshooting recommendations. In addition, the quick start guide provides an end-to-end setup process to get you started with Cumulus Linux.

What's New in Cumulus Linux 3.3.2

Cumulus Linux 3.3.2 bug fixes only, as well as these early access features:

  • QinQ, for hybrid cloud connectivity
  • VXLAN routing, for IP routing between VXLAN VNIs in an overlay network

For further information regarding bug fixes and known issues present in this release, refer to the product release notes.

Open Source Contributions

Cumulus Networks has forked various software projects, like CFEngine, Netdev and some Puppet Labs packages in order to implement various Cumulus Linux features. The forked code resides in the Cumulus Networks GitHub repository.

Cumulus Networks developed and released as open source some new applications as well. 

The list of open source projects is on the open source software page.

Hardware Compatibility List

You can find the most up to date hardware compatibility list (HCL) here. Use the HCL to confirm that your switch model is supported by Cumulus Networks. The HCL is updated regularly, listing products by port configuration, manufacturer, and SKU part number.

Download the User Guide

The entire Cumulus Linux User Guide, as well as previous versions of the User Guide, can be downloaded as PDFs:

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