While at Interop ITX 2017, I met with Eric Pulvino from Cumulus Networks and learnt a bit about where Cumulus was heading and what’s new. One of the topics that got my attention was using a CICD pipeline for end to end testing of network configuration changes. Cumulus Linux in a networking operating system (NOS) from Cumulus Networks. At its heart, this is a Debian Jesse distribution with additional networking smarts.