Cumulus Networks Blog

Guest Blog: REST API for Cumulus Linux ACLs

RESTful control of Cumulus Linux ACLs included a proof of concept script that demonstrated how to remotely control iptables entries in Cumulus Linux.  Cumulus Linux in turn converts the standard Linux iptables rules into the hardware ACLs implemented by merchant silicon switch ASICs to deliver line rate filtering. Previous blog posts demonstrated how remote control of … Continue reading Guest Blog: REST API for Cumulus Linux ACLs

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Hyper-convergence and Open Networking: A Match Made in Cloudy Heaven

A lot of the early hype around cloud computing focused on grand visions related to there being only 5 or 6 extremely large cloud providers across the globe. While public clouds continue to grow at a breakneck pace, private clouds are also starting to see immense traction, especially in key verticals like financials, SaaS providers, … Continue reading Hyper-convergence and Open Networking: A Match Made in Cloudy Heaven

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The cloud journey continues: HP and Cumulus Networks

Is open networking mainstream? If the HP announcement of new data center networking solutions with Cumulus Linux is any indication, then we will venture to answer. Yes. On Feb. 19, HP announced a partnership with Cumulus Networks for new HP open network switches with Cumulus Linux, the operating system for open networking. HP has designed … Continue reading The cloud journey continues: HP and Cumulus Networks

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Networking Field Day at Cumulus Networks – Recap

Networking Field Day is not your typical event; it is an interactive forum where vendors present to selected networking industry experts. Feb 11, 2015 was our first Networking Field Day at Cumulus Networks and as many have commented, it was “very informational” and an “excellent” presentation. So, for those of you that could not make … Continue reading Networking Field Day at Cumulus Networks – Recap

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Opening the Black Box – Linux Network OS for Bare Metal Switches

Transform the network from gatekeeper to enabler with a Linux Network OS platform for switches that enables automation, feature velocity and innovation on par with servers. “The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.” – Albert Camus In my … Continue reading Opening the Black Box – Linux Network OS for Bare Metal Switches

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Testing Cumulus Linux with Serverspec

As configuration management software has matured, engineers have recognized the importance of testing and validation. A comprehensive set of tools has been been developed around configuration management software such as Chef, Puppet, Ansible and others that allow you to test your configuration management scripts. One of these tools is Serverspec, which is an RSpec testing framework for checking that servers … Continue reading Testing Cumulus Linux with Serverspec

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My First Week at Cumulus Networks

From the first time I spoke with someone at Cumulus Networks, I realized I’d come across something spectacular. My interviews started with a “screening” call from Nat Morris, but it didn’t start with any of those awkward “tell me about yourself” ice-breaker questions. Nat immediately began the conversation with a detailed description of the Cumulus … Continue reading My First Week at Cumulus Networks

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Networking Field Day 9: Fresh Perspectives on Open Networking

The community-selected delegates of Networking Field Day 9 #NFD9 are coming to Cumulus Networks on February 11, 12:30pm-2:30pm PST, to learn more about open networking – and it’s going to be live streamed for everyone, so mark your calendar. We’ve assembled a team of industry experts from Cumulus Networks to discuss with 13 NFD9 delegates … Continue reading Networking Field Day 9: Fresh Perspectives on Open Networking

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Open Networking: From Concept to Reality

When I first heard about Cumulus Networks in August 2013, I thought, “what’s the catch?” Now, after a year of working with companies deploying Cumulus Linux based switches in their production environments, it turns out there is really no catch. Open networking is for real. The way you buy a server is now the way … Continue reading Open Networking: From Concept to Reality

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Open Networking is the New Normal

The data center is in a constant state of transition. What was once home for rows upon rows of propriety and often siloed equipment based on closed-architecture designs, the modern day data center is now filled with white box solutions serving various functions but working in a harmonious or converged manner. Several key factors are … Continue reading Open Networking is the New Normal

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