1. Yes it talks ibgp automatic to the spokes. "My guess is that the only time you would need to enable BGP on more then one MX is in a multi DC (eBGP) scenario" <- yes, but it now also support routed mode bgp, so when you run mx/sdwan + lan switch/router with bgp support you could mode layer3 to lan and exchange dynamic routes. (imo Better the 1 way ospf) 2. It advertises anything it learns to the spokes, also default route. The same is when you have a spoke and you set a default route to the lan side, and advertise it into autovpn that route is also used by any spoke 3, the route table always have been a mess. Especially with bgp
... View more