https://www.velocloud.com/sd-wan-resources/webinars/migrate-from-traditional-wan-to-sd-wan
"Gold Site": Dual L3 SW, MPLS + Internet
Silver Site 1: Single L3 switch,
Centralized Controller: Routing Control: Reflect the route to Edge ( like RR )
No router inside the tunnel >>> centralized
1- single pan of glass , centralize Policy
2-
Why Block S1,S2 and S3 and not lower the Local Preference ?
In case we loose Internet Link.
