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Learning OpenStack Networking (Neutron) - Second Edition by James Denton

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Attaching instances to networks

Using the Nova command-line client, instances can be attached to networks in a couple of ways. When first booted, instances can be attached to one or more networks using the nova boot command. Running instances can be attached to additional networks using the nova interface-attach command. Both methods are explained in the upcoming sections.

Attaching instances to networks using nova boot

The following nova boot options provide a single network interface to an instance.

Users can specify a network identified by the network's UUID, as follows:

--nic net-id=<UUID of Neutron network>

In the preceding example, Nova interfaces with the Neutron API to create a port using the network ID provided by the user, and Neutron returns ...

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