October 2016
Intermediate to advanced
216 pages
4h 10m
English
Content preview from Software-Defined Networking (SDN) with OpenStackBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Layer 2 (L2) capabilities in OpenStack
In networking terminology, the connectivity to a physical or virtual switch is also known as Layer 2 (L2) connectivity. L2 connectivity is the most fundamental form of network connectivity needed for virtual machines. As mentioned previously, OpenStack supports core and service functionality. The L2 connectivity for virtual machines falls under the core capability of OpenStack Networking, whereas router, firewall, and so on fall under the service category.
The L2 connectivity in OpenStack is realized using two constructs, called network and subnet. Operators can use OpenStack CLI or the web interface to create networks and subnets. And as virtual machines are instantiated, the operators can associate them ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.