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Cumulus VX Getting Started Guide

Cumulus VX is free, open source software that provides a virtual experience enabling cloud and network admins to evaluate Cumulus Networks’ latest technology easily and risk free. Cumulus VX removes all organizational and economic barriers for you to get started with open networking on your own time, at your own pace and in your own environment.

You can use Cumulus VX to learn about and evaluate Cumulus Linux, anytime, anywhere. Use it to build sandbox environments for prototyping, pre-production rollouts and developing scripts.

Supported Platforms

About the Virtual Machine

Cumulus VX runs in a virtual machine (VM) on a standard x86 environment. The VM is a 64-bit operating system, built on the same foundation as Cumulus Linux, running the Linux 3.2.65-1+deb7u2+cl2.5+2 kernel, using virtio drivers for network and HDD interfaces as well as the logical volume manager (LVM).

Four versions of the virtual disk image are available for use across various hypervisors:

  • An OVA disk image for use with VirtualBox.
  • A VMware-specific OVA disk image.
  • A qcow2 disk image for use with KVM.
  • A Box image for use with Vagrant.

Comparisons with Other Cumulus Networks Products

Cumulus VX is a virtual appliance that simulates a Cumulus Linux or Cumulus RMP environment. To see how these systems compare, read this article.

Community Support

Cumulus VX is a community-supported product. Join the Cumulus Networks community and ask for or offer help.

Downloading the Cumulus VX Image

To get started, you need to download some software as well as the Cumulus VX disk image (qcow2 or OVA) that runs with the hypervisor you plan to use with Cumulus VX. Each disk image contains a single VM for a standalone switch. You can clone this virtual machine to build out your test network. For more information, read the appropriate steps below:

Logging in to the VM

The Cumulus VX VM has these default login credentials:

  • User name: cumulus
  • Password: CumulusLinux!

The cumulus user has sudo privileges, just like a Cumulus Linux switch.

For more information about Cumulus VX, Cumulus Linux and supported environments, visit these links: