When loop protection is enabled on an interface, what happens when the port stops receiving
BPDUs?
A.
The port is placed in a loop-inconsistent role.
B.
The port is placed into listening mode.
C.
The port is transitioned into a forwarding state.
D.
The interface is disabled.
http://www.juniper.net/techpubs/en_US/junos13.2/topics/example/spanning-trees-loop-protection-ex-series.html