Why does the Neutron documentation recommend three interfaces?

Mon 28 October 2013 by Lars Kellogg-Stedman Tags openstack neutron networking

The documentation for configuring Neutron recommends that a network controller has three physical interfaces:

Before you start, set up a machine to be a dedicated network node. Dedicated network nodes should have the following NICs: the management NIC (called MGMT_INTERFACE), the data NIC (called DATA_INTERFACE), and the external NIC (called …

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Automatic configuration of Windows instances in OpenStack, part 1

Sun 04 November 2012 by Lars Kellogg-Stedman Tags openstack windows

This is the first of two articles in which I discuss my work in getting some Windows instances up and running in our OpenStack environment. This article is primarily about problems I encountered along the way, while the second article focuses on the mechanism I eventually put in place.

Motivations …

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Chasing OpenStack idle connection timeouts

Mon 30 July 2012 by Lars Kellogg-Stedman Tags openstack networking

The original problem

I've recently spent some time working on an OpenStack deployment. I ran into a problem in which the compute service would frequently stop communicating with the AMQP message broker (qpidd).

In order to gather some data on the problem, I ran the following simple test:

  • Wait n …
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