The current BFD session state as seen by the transmitting
system. These states are specified in section 4.1 of RFC5880
Values:
UNDEFINED_STATE (0):
A value indicating that the enum field is not
set.
ADMIN_DOWN (128544690):
No description available.
DOWN (2104482):
No description available.
INIT (2252048):
No description available.
STATE_UNSPECIFIED (470755401):
No description available.
UP (2715):
No description available.