Cumulus Linux 3.6 User Guide

Introducing Cumulus Linux

Cumulus Linux is the first full-featured Linux operating system for the networking industry. 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 on the Cumulus Linux installation process, 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.

What’s New in Cumulus Linux 3.6.2

Cumulus Linux 3.6.2 contains the following new features, platforms, and improvements:

• Facebook Voyager (DWDM) (100G Tomahawk) now generally available
• NCLU commands available for configuring traditional mode bridges
• VRF static route leaking with EVPN symmetric routing
• New vrf_route_leak_enable option used to enable VRF route leaking

What’s New in Cumulus Linux 3.6.0

Cumulus Linux 3.6.0 contains a number of new platforms, features and improvements:

• New platforms include:
  • Dell S4128T-ON (10GBASE-T Maverick)
  • Dell S5048-ON (25G Tomahawk+)
  • Delta AG-5648v1 (25G Tomahawk+)
  • Edgecore AS7312-54XS (Tomahawk+)
  • Facebook Voyager (100G Tomahawk/DWDM) Early Access
  • Penguin Arctica 1600CS (100G Spectrum)
  • Penguin Arctica 3200CS (100G Spectrum)
  • Penguin Arctica 4808X (10G Spectrum)
• Policy-based Routing
• VRF Route Leaking
• PTP Boundary Clock on Mellanox switches
• GRE Tunneling on Mellanox switches
• New /etc/cumulus/ports.conf file validator finds syntax errors and provides a reason for each invalid line. Error messages are shown when you run the net commit command.
• Support for the combination of the local-as and allowas-in commands
• OSPFv3 enhancements:
  • Validated interoperability with other routers at a scale of 120 neighbors
  • New NCLU commands to configure OSPFv3
• EVPN Enhancements:
  • Type-5 routes with asymmetric routing
  • Originate default EVPN type-5 routes
  • Filter EVPN routes based on type
  • Control which RIB routes are injected into EVPN

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

Open Source Contributions

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

Cumulus Networks has also developed and released new applications as open source. 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.