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What's New

This document supports the Cumulus Linux 4.2 release, and lists new platforms and features.

What’s New in Cumulus Linux 4.2.1

Cumulus Linux 4.2.1 supports a new platform, provides bug fixes, and contains certain enhancements.

New Platforms

  • Mellanox SN4700 (Spectrum-3-A0)


  • The Mellanox SN3700 Spectrum-2 switch now supports 200G (100G was supported previously)
  • EVPN multihoming is now generally available on Mellanox switches
  • Inter-VRF route leaking is now ASIC accelerated by default

What’s New in Cumulus Linux 4.2.0

Cumulus Linux 4.2.0 supports new platforms, provides bug fixes, and contains several new features and improvements.

New Platforms

  • Mellanox SN4600C (100G Spectrum-3-A0)
  • Mellanox SN3420 (25G Spectrum-2)

New Features and Enhancements

Unsupported Platforms

These platforms are not supported in Cumulus Linux 4.2. They are supported in Cumulus Linux 3.7, until that release reaches its end of life.

  • Cumulus Express CX-10256-S/Edgecore OMP-800 (100G Tomahawk)
  • Dell S6000-ON (40G Trident2)
  • EdgeCore Wedge-100 (100G Tomahawk)
  • Facebook Backpack (100G Tomahawk)
  • Facebook Voyager (100G Tomahawk)
  • Delta AG7648
  • QCT QuantaMesh BMS T3048-LY8
  • QCT QuantaMesh BMS T3048-LY9