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Open Network Linux

Initially proposed at Open Compute Project Engineering Workshop in San Antonio by Big Switch Networks in 2013, Open Network Linux (ONL) is is a Linux distribution for "bare metal" switches.

Adopted by the Open Compute Project in 2014, ONL is the reference Network Operating System for the Open Compute Project.


ONL maintains a certification program for validation of network switch hardware with ONL. A designation of ONL Certified is applied to switches that pass ONL conformance testing. A separate Gold status certification is available to vendors who provide materials for ongoing testing.

The generic ONL testing guide is located Here


For a deep dive read these pages:

Contact Us

Send questions, comments and ideas to

Join the mailing list:!forum/opennetworklinux.

Browse the archives!forum/opennetworklinux.

Source Code

The ONL git repository is hosted on GitHub:

Submit patches and issues directly on the GitHub page.