Refer to the exhibit.
BFD has been enabled on the bundle interface between router A and router
A. one independent BFD session on the physical interface with the lower LACP system priority that is part of the bundle
B. one independent BFD session on the physical interface with the lower MAC address that is part of the bundle
C. one independent BFD session on each underlying physical interface that is part of the bundle
D. one independent BFD session on the physical interface with the higher LACP port priority that is part of the bundle.
