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Production Ready OpenStack - Recipes for Successful Environments by Arthur Berezin

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Configuring a network

In this step, we will create the subnets we plan to use for OpenStack services and assign network roles to the corresponding subnets. At a later stage, we will assign the newly created subnets to physical network interfaces, which will be used for these network roles.

How to do it...

Proceed with the following steps:

  1. On the network configuration screen, which appeared in addition to the existing 'default' subnet, click on the New Subnet button and create an additional subnet for the tenant's traffic. This subnet will be used for instances' internal communication.

    Network name: Tenant network

    Network address: 10.20.0.0

    Network mask: 255.255.255.0

    IPAM: none

    Boot mode: DHCP

    This configuration uses an existing DHCP service on the subnet ...

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