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 3.4.1
Cumulus Linux 3.4.1 contains critical bug fixes only. For more information on the issues that were fixed, read the release notes.
What's New in Cumulus Linux 3.4.0
Cumulus Linux 3.4.0 contains a number of new platforms, features and improvements:
- New platforms include:
- Facebook Backpack 100G chassis now generally available
- Facebook Wedge-100
- QuantaMesh T1048-LY4R
- VXLAN routing (asymmetric) is now generally available
- HTTP API to NCLU and the OpenStack ML2 driver
- QinQ with VXLANs is now generally available
- PIM support expanded to include virtual routing and forwarding (VRF) and bidirectional forwarding detection (BFD) for PIM neighbors
- The default MAC ageing time has been set to 30 minutes and the default ARP base_reachable time has been set to 18 minutes
- See what's new and different with NCLU in this release
It also contains these early access features and platforms:
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:
- Cumulus Linux 3.4.1 User Guide
- Cumulus Linux 3.4.0 User Guide
- Cumulus Linux 3.3.2 User Guide
- Cumulus Linux 3.3.1 User Guide
- Cumulus Linux 3.3.0 User Guide
- Cumulus Linux 3.2.1 User Guide
- Cumulus Linux 3.2.0 User Guide
- Cumulus Linux 3.1.2 User Guide
- Cumulus Linux 3.0.1 User Guide