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    Creating a Virtual Network—Juniper Networks 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 Juniper Networks Contrail.

    1. Before creating a virtual network, create an IP Address Management (IPAM) for your project. Select Configure > Networking > IP Address Management, then click the Create button.

      The Add IP Address Management window appears, see Figure 1.

      Figure 1: Add IP Address Management

      Add IP Address Management
    2. Complete the fields in Add IP Address Management: see field descriptions in Table 1.

      Table 1: Add IP Address Management Fields

      Field

      Description

      Name

      Enter a name for the IPAM you are creating.

      DNS Method

      Select from a drop-down list the domain name server method for this IPAM: Default, Virtual DNS, Tenant, or None.

      NTP Server IP

      Enter the IP saddress of an NTP server to be used for this IPAM.

      Domain Name

      Enter a domain name to be used for this IPAM.

    3. Click Configure > Networking > Networks to access the Configure Networks screen; see Figure 2.

      Figure 2: Configure Networks

      Configure Networks
    4. Verify that your project is displayed as active in the upper right field, then click the Create button to access the Create Network window; see Figure 3. Use the scroll bar to access all sections of this window.

      Figure 3: Create Network

      Create Network
    5. Complete the fields in the Create Network screen with values that identify the network name, network policy, and IP options as needed. See field descriptions in Table 2.

      Table 2: Create Network Fields

      Field

      Description

      Network Name

      Enter a name for the virtual network you are creating.

      Network Policy(s)

      Select from a drop-down list of available policies the policy to be applied to this network. You can select more than one policy by clicking each one needed.

      Subnets

      Use this area to identify and manage subnets for this virtual network. Click the + icon to open fields for IPAM, CIDR, Allocation Pools, Gateway, DNS, and DHCP. Select the subnet to be added from a drop down list in the IPAM field. Complete the remain ing fields as necessary. You can add multiple subnets to a network. When finished, click the + icon to add the selections into the columns below the fields. Or click the - icon to remove the selections.

      Host Routes

      Use this area to add or remove host routes for this network. Click the + icon to open fields where you can enter the Route Prefix and the Next Hop. Click the + icon to add the information, or click the - icon to remove the information.

      Advanced Options

      Use this area to add or remove advanced options, including identifying the Admin State to be Up or Down, to identify the network as Shared or External, to add DNS servers, or to define a VxLAN Identifier. 

      Floating IP Pools

      Use this area to identify and manage the Floating IP address pools for this virtual network. Click the + icon to open fields where you can enter the Pool Name and Projects. Click the + icon to add the information, or click the - icon to remove the information. 

      Route Target(s)

      Move the scroll bar down to access this area, then specify one or more route targets for this virtual network. Click the + icon to open fields where you can enter route target identifiers. Click the + icon to add the information, or click the - icon to remove the information. 

    6. To save your network, click the Save button, or click Cancel to discard your work and start over.

    Now you can create a network policy, see Creating a Network Policy—Juniper Networks Contrail.

    Modified: 2015-09-29