Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Preparing for the Certified OpenStack Administrator Exam

You're reading from   Preparing for the Certified OpenStack Administrator Exam A complete guide for developers taking tests conducted by the OpenStack Foundation

Arrow left icon
Product type Paperback
Published in Aug 2017
Publisher Packt
ISBN-13 9781787288416
Length 338 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Matt Dorn Matt Dorn
Author Profile Icon Matt Dorn
Matt Dorn
Arrow right icon
View More author details
Toc

Table of Contents (13) Chapters Close

Preface 1. Introducing OpenStack and the Certified OpenStack Administrator Exam FREE CHAPTER 2. Setting up Your Practice Exam Environment 3. Keystone Identity Service 4. Glance Image Service 5. Nova Compute Service 6. Neutron Networking Service 7. Cinder Block-Storage Service 8. Swift Object-Storage Service 9. Heat Orchestration Service 10. Troubleshooting 11. Final Tips and Tricks 12. Practice Exam

Neutron architecture

Neutron is made up of five daemons, as shown in Figure 6.1.

Figure 6.1: High-level view of Neutron architecture
  • neutron-server: The API and primary gateway to Neutron. One must interact with neutron-server to create, list, delete, and manage networks and other network resources.
  • neutron-dhcp-agent: Provides DHCP services to DHCP-enabled Neutron subnets. Behind the scenes, neutron-dhcp-agent actually uses dnsmasq, the popular lightweight DHCP server software, within a network namespace. Network namespaces are a feature of the Linux kernel and partition the use of the network, allowing segregation of network resources despite similar IP address ranges.
  • neutron-l3-agent: Creates Neutron routers. Behind the scenes, Neutron routers are network namespaces with unique routing tables and iptables rules.
  • neutron-metadata-agent: Provides metadata services to instances...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image