If you are creating a CCN-based VPN gateway, you need to associate the created VPN gateway to a CCN instance on the details page of the gateway.
Prerequisites
You have created a CCN-based IPsec VPN gateway.
Directions
2. Click VPN Connections > VPN Gateway in the left directory to enter the admin page.
3. Click the ID of the target VPN gateway to go to the details page.
4. On the Basic Information tab of the gateway details page, click the edit icon on the right side of Network, and then select the CCN instance to be associated with and the routing table in the pop-up dialog box.
5. Click Save.