October 2014
Intermediate to advanced
300 pages
6h 24m
English
Content preview from LEARNING OPENSTACK NETWORKING (NEUTRON)Become 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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Exploring how instances retrieve their metadata
In Chapter 3, Installing Neutron, I briefly discussed the process of how metadata is provided to instances through the Neutron metadata proxy. There are two ways in which an instance can get its metadata over the network: through the router namespace or through the DHCP namespace. Both methods are described in the upcoming sections.
Router namespace
Although routers will be described and configured in the next chapter, it is important to know their function with regard to metadata. Neutron assumes that when a gateway IP is set on a subnet, one of the following two things is true:
- The gateway IP belongs to a Neutron router
- The specified gateway will handle all the routing requests from instances, including ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.