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 3.5
Cumulus Linux 3.5 contains a number of new platforms, features and improvements:
- New platforms include:
- Accton OMP-800 chassis/Cumulus Express CX-10256-S (100G)
- Delta 9032-v1 (100G Tomahawk) and AG7648 (10G Trident II)
- Broadcom Maverick-based 10G switches, including Dell S4128F-ON
- Edgecore AS5812 AC with 3Y PSU
- Facebook Wedge-100S now generally available
- Mellanox Spectrum A1 chipsets in the 2100, 2410 and 2700 models; Mellanox 2740 (100G) and 2740B (40G)
- Quanta LY7 (10G)
- 10GBASE-LR BiDi optics
- Symmetric VXLAN routing
- VLAN-aware bridge support for ovs-vtepd, for VXLAN solutions using controllers
- OSPF is now VRF-aware
- Voice VLAN
- PIM now supports overlapping IP addresses and IP multicast boundaries
- Bridge layer 2 protocol tunnels
- The SNMP Cumulus-Counters-MIB file includes a new table
pfcClCountersTablefor link pause and priority flow control counters
- See what's new and different with NCLU in this release
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 3.5.3 User Guide
- Cumulus Linux 3.5.2 User Guide
- Cumulus Linux 3.5.1 User Guide
- Cumulus Linux 3.4.3 User Guide
- Cumulus Linux 3.3.2 User Guide
- Cumulus Linux 3.2.1 User Guide
- Cumulus Linux 3.1.2 User Guide
- Cumulus Linux 3.0.1 User Guide