Aggregating Routes from VPNCs in the Data Center

To aggregate route prefixes for all VPNCs routes in a data center, complete the following steps:

1. In the WebUI, set the filter to a group that contains at least one Branch Gateway.

   The gateway group dashboard is displayed.

2. Under Manage, click Devices > Gateways.

   A list of gateways is displayed in the List view.

3. Click the Config icon.

   The gateway group configuration page is displayed.

4. If you are in the Basic Mode, click Advanced Mode to access the advanced configuration options.
5. Click VPN > SD-WAN Overlay.
6. Select Orchestrated for the Overlay mode.
7. Click DC Aggregate Routes.
8. Enter a summary IP range for the prefixes in the data center. This summary will be advertised with corresponding hubs as the next hops to all the branches. HPE Aruba Networking recommends that you configure a summary IP range to reduce the routing table size of the Branch Gateways
9. If you want to allow branch to branch traffic through the VPNC hub, select the Allow branch-to-branch check box.

   Enabling this option will make the VPNC hub a transit site and allow branch-to-branch traffic.

10. Click Save Changes.