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    Creating a Virtual Network—OpenStack Contrail

    Contrail makes creating a virtual network very easy for a self-service user. You create networks and network policies at the user dashboard, then associate policies with each network. The following procedure shows how to create a virtual network when using OpenStack.

    1. Click Project > Networking to access the Networks screen; see Figure 1.

      Figure 1: Networks

      Networks
    2. Verify that the correct project is displayed in the Current Project box, then click the Create Network button to access the Create Network window; see Figure 2.

      Figure 2: Create Network

      Create Network
    3. Complete the fields in the Create Network window with values that identify the network name, IP block, policy, and IP options as needed. See field descriptions in Table 1.

      Table 1: Create Network Fields

      Field

      Description

      Name

      Enter a name for the network.

      Description

      Enter a description for the network.

      IP Block (optional)

      Enter the IP address of the address block assigned to this project.

      IPAM (optional)

      For new projects, an IPAM can be added while creating the virtual network. VM instances created in this virtual network will be assigned an address from this address block automatically by the system when a VM is launched.

      Gateway (optional)

      Optionally, enter an explicit gateway IP for the IP address block.

      Network Policy

      Any policies already created are listed. To select a policy, click the check box for the policy.

    4. To save your network, click the Create Network button, or click Cancel to discard your work and start over.

    Modified: 2015-09-02