I've looked at the documentation, and to me it suggests that SD-WAN does need something at the other end, otherwise you might as well just ping 8.8.8.8 and fail between outgoing interfaces, no? Looking at this document: https://docs.paloaltonetworks.com/sd-wan/1-0/sd-wan-admin/configure-sd-wan/sd-wan-traffic-distribution-profiles.html I don't see that there's any logic for the internet side of things at all, the traffic steering only takes place over the VPN links between offices based on the path quality profiles that you'd be configuring. If I'm wrong, somebody please correct me.
... View more