Open networking software for the modern data center

Wondering if open networking is right for your data center? Learn all the basics of open networking and how it can help your business with your very own, 4-piece starter kit.

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Open Networking Server Upload

95% faster
deployments

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Open Networking Cog Approved 1

75% raised
efficiency

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Open Networking Currency Dollar Decrease

60% reduced
TCO

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Open Networking Business Deal Handshake Circle

2,000+
customers

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See What's New At Cumulus

What we do

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What's unique about Cumulus?

10 technical reasons why Cumulus Networks provides unparalleled tech

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Best Practices for Building a NextGen Campus by Gartner

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70% of companies are turning to
open networking

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Open networking products

Open Networking Cumulus Linux

Cumulus Linux

An open network operating system designed for efficiency, automation and scale

Open Networking Cumulus NetQ

Cumulus NetQ

A network operations tool that provides visibility and intelligence into the health of your network

Open Networking Cumulus Express

Cumulus Express

Accelerate your time to market with a Cumulus Express switch — preloaded with Cumulus Linux

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Our partner ecosystem

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Hundreds of enterprises trust open networking with Cumulus

Cumulus Networks has helped 2,000+ companies build modern, web-scale networks using our innovative, open networking technology. In fact, 34% of the Fortune 50 have already adopted Cumulus Linux.

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Prefer to try before you buy? Try Cumulus Linux for free with Cumulus in the Cloud.

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