OpenStack Networking Essentials

Table of contents

1. OpenStack Networking Essentials
   1. Table of Contents
   2. OpenStack Networking Essentials
   3. Credits
   4. About the Author
   5. www.PacktPub.com
      1. eBooks, discount offers, and more
         1. Why subscribe?
   6. Preface
      1. What this book covers
      2. What you need for this book
      3. Who this book is for
      4. Conventions
      5. Reader feedback
      6. Customer support
         1. Downloading the example code
         2. Downloading the color images of this book
         3. Errata
         4. Piracy
         5. Questions
   7. 1. OpenStack Networking Components – an Overview
      1. Features of OpenStack Networking
         1. Switching
         2. Routing
         3. Advanced networking features
            1. Load balancing
            2. Firewalling
            3. Virtual private networks
      2. The OpenStack architecture
      3. A reference architecture
         1. Implementing the network
            1. Plugins and drivers
            2. Neutron agents
            3. The DHCP agent
            4. The metadata agent
            5. The network plugin agent
      4. Summary
   8. 2. Installing OpenStack Using RDO
      1. System requirements
      2. The initial network configuration
         1. Example networks
         2. Interface configuration
         3. Connect to the host
      3. Initial steps
         1. Permissions
         2. Install network utilities
         3. Set the hostname
         4. Install Network Time Protocol (NTP)
         5. Disable NetworkManager
         6. Upgrade the system
      4. Install RDO using Packstack
      5. Download RDO
         1. Configure the answer file
         2. Install RDO
         3. Verify connectivity to OpenStack
            1. Verify connectivity to the dashboard
      6. Additional installation tasks
         1. Create a security group rule
         2. Create a demo project and user
         3. Configure the keystone_demo file
         4. Upload an image to Glance
      7. Summary
   9. 3. Neutron API Basics
      1. Networks
         1. Network attributes
            1. Provider attributes
            2. Additional attributes
      2. Subnets
      3. Ports
      4. The Neutron workflow
         1. Booting an instance
            1. How the logical model is implemented
         2. Deleting an instance
      5. Summary
   10. 4. Interfacing with Neutron
       1. Using the Horizon dashboard
          1. Managing resources within a project
             1. Creating networks within a project
             2. Viewing the network topology
          2. Managing resources as an administrator
       2. Using the Neutron client
          1. Creating and listing networks
             1. Creating a network
          2. Creating a subnet
       3. Summary
   11. 5. Switching
       1. The basics of switching in OpenStack
          1. Using Linux bridges
          2. Using Open vSwitch
          3. Network types
          4. Local networks
          5. Flat networks
          6. VLAN networks
          7. VXLAN networks
          8. GRE networks
       2. A look at our environment
          1. Getting a closer look
       3. Summary
   12. 6. Routing
       1. The basics of routing in Neutron
          1. Network namespaces
          2. Connectivity through a router
             1. Outbound connectivity
             2. Inbound connectivity
       2. Types of routers
          1. Standalone routers
          2. Highly available routers
          3. Distributed virtual routers
       3. Managing routers in the dashboard
          1. Creating routers within a project
          2. Viewing the network topology
          3. Managing routers as an administrator
       4. Managing routers with the Neutron client
          1. Creating and listing routers
             1. Creating a router
          2. Adding an interface
          3. Listing router interfaces
       5. Examining the routers
       6. Summary
   13. 7. Building Networks and Routers
       1. Using provider networks
          1. Creating a provider network
          2. Booting an instance
          3. Accessing the instance
       2. Using a Neutron router
          1. External provider networks
             1. Attaching the router to an external provider network
          2. Booting an instance
          3. Testing connectivity
             1. Observing SNAT behavior
          4. Assigning a floating IP
             1. Testing connectivity via floating IP
          5. Multiple routers
          6. Advanced networking
       3. Summary
   14. 8. Security Group Fundamentals
       1. Security groups in OpenStack
          1. Using security groups
          2. The default security group
       2. Managing security groups
          1. Using CIDR to control traffic
          2. Applying security groups to instances and ports
             1. Working with security groups in the dashboard
                1. Creating a security group
                2. Managing security group rules
                3. Applying security groups to instances
             2. Caveats
       3. Port security
          1. Allowed address pairs
          2. Disabling port security
       4. Summary
   15. A. Configuring VirtualBox
       1. Configuring VirtualBox networking
          1. Configuring host-only networks
       2. Creating a virtual machine
       3. Configuring a virtual machine
       4. Installing the CentOS operating system
          1. Attaching the ISO to the virtual machine
          2. Starting the virtual machine
       5. Configuring virtual machine networking
          1. Accessing the virtual machine
          2. Configuring network interfaces
       6. Accessing a virtual machine over SSH
   16. Index