The aim for this technote is to provide branch gateways (BGW) redundancy and to be able to share the uplinks on each of the branch gateways.
The gateways in a High Availability (HA) group establish a virtual link (GRE Tunnel) between redundant Aruba Gateways to share the WAN interfaces. This happens only if WAN ports are configured with different uplink VLANs. You should note that the uplinks on both BGWs can be active.
The second part of this is by configuring VRRP between all the VLANs on the LAN side. It is recommended to configure the same SD-WAN Gateway as the Conductor for all the VLANs. Here is the topology diagram and note that the BGWs are running AOS 10.5.1.0 firmware
Solutions Tech Lab 
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