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So, a bit of a confession. The article Adventures in OpenStack – Networking has a an issue in how to set up external networks. The section that mentioned what to enter in the [ovs] section actually does nothing. Why? Because by default, the Layer 3 (L3) agent only allows one external network, hardcoded in the config and defaulted […]
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Now that I have all the basic building blocks set up, I can proceed to setting up an instance. Incidentally, packstack set most of this up already, but I actually ripped out most of the networking stuff created by packstack, and also removed the demo tenant and set all that stuff up from scratch. I’m […]
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When I left off yesterday, I just finished discussing the basics of setting up Neutron on a single-server OpenStack deployment. I set up a flat network – external – and mapped it to my external bridge – br-ex. I am now going to discuss how to set up an external network for use by OpenStack tenants. Note […]
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Note: Some inaccurate information was corrected in this article – see here for the details. The past articles regarding Open vSwitch have kind of been a precursor to this one, because to understand how OpenStack networking worked, the concepts regarding some of the underlaying components needed to be understood for me first. When I started […]
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I’ve spent the last few days getting my bearings around Open vSwitch. It’s pretty amazing, and IMO if you are virtualizing under Linux these days, it’s pretty much a must. So what is Open vSwitch? It’s basically the Open Source answer to other proprietary technologies, such as VMware’s distributed vSwitch (which you have probably used if […]
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