An administrator sets up a master-local topology. The administrator disables Control Plane Security (CPSec) on all of the controllers and then configures the master and local controllers. Which…

An administrator sets up a master-local topology. The administrator disables Control Plane Security (CPSec) on all of the controllers and then configures the master and local controllers. Which protocol will be used between these controllers to tunnel management traffic once the inter-controller configuration has been completed?