Creating a Virtual Network with OpenStack Contrail

date_range 18-Jul-23

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You can create virtual networks in Contrail Networking from the OpenStack. The following procedure shows how to create a virtual network when using OpenStack.

To create a virtual network when using OpenStack Contrail, select Project > Network > Networks. The Networks page is displayed. See Figure 1.
Figure 1: Networks Page
Click Create Network. The Create Network window is displayed. See Figure 2 and Figure 3.
Figure 2: Create Networks

Figure 3: Subnet and Gateway Details

Click the Network and Subnet tabs to complete the fields in the Create Network window. See field descriptions in Table 1.

Table 1: Create Network Fields
Field	Description
Network Name	Enter a name for the network.
Subnet Name	Enter a name for the subnetwork.
Network Address	Enter the network address in CIDR format.
IP Version*	Select IPv4 or IPv6.
Gateway IP	Optionally, enter an explicit gateway IP address for the IP address block. Check the Disable Gateway box if no gateway is to be used.

Click the Subnet Details tab to specify the Allocation Pool, DNS Name Servers, and Host Routes.
Figure 4: Additional Subnet Attributes
To save your network, click Create , or click Cancel to discard your work and start over.

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Contrail Networking Installation and Upgrade Guide

Creating a Virtual Network with OpenStack Contrail