Network management
After Keystone changes, we need to set up the networks that the tenant will use. Since the tenant needs access to the Internet, we will need two networks; one is the tenant network, which is created per tenant, and the other is an external network, which is shared by all the tenants. Hence we need to create this only once. Since this is our first tenant, we will be creating both the networks. For the next tenant, we will not create the external network, but just reuse it, should Internet access be needed.
We will use the command line to create the external network and the provider network, as the functionality provided by the GUI is limited when it comes to network management.
Before we go into actually creating the networks, ...
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