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Learning OpenStack Networking (Neutron) by James Denton

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Floating IP Management

Neutron offers a number of commands that can be used to create and manage floating IPs. The primary commands associated with floating IPs include:

  • floatingip-associate
  • floatingip-create
  • floatingip-delete
  • floatingip-disassociate
  • floatingip-list
  • floatingip-show

Creating floating IPs in the CLI

If you recall from previous chapters, IP addresses are not assigned directly to instances. Instead, an IP address is associated with a Neutron port, and that port is logically mapped to the virtual tap interface that connects instances to the network.

A floating IP, when used, is associated with a Neutron port. To create a floating IP from within the CLI, use the Neutron floatingip-create command as follows:

Syntax: floatingip-create [--tenant-id ...

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