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OpenStack Networking Cookbook by Chandan Dutta Chowdhury, Sriram Subramanian

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Chapter 5. Managing IP Addresses in Neutron

We have seen that Subnet is a part of the core functionality in OpenStack Networking. The Subnet entity drives the IP address assignment and DHCP servers for the virtual machine instances. In this chapter, we will share the following recipes that will cover the IP address management capabilities in Neutron:

  • Creating an instance with a specific IP address
  • Configuring multiple IP addresses for a virtual interface
  • Creating a redundant DHCP server per OpenStack Network
  • Starting the DHCP server on a specific network node
  • Increasing the number of IP addresses in a Network using the Horizon dashboard

Introduction

The DHCP servers and IP address management go hand in hand. The DHCP servers run on the network nodes ...

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