A.Local B.Far End C.Remote D.Bidirectional
A.A ping to the local address succeeds. B.A ping to the remote address succeeds. C.A ping to the remote address received a 'TTL expired' message. D.The interface shows a flag indicating that a loop is detected.
A.# set interfaces ge-0/0/0 unit 0 loopback B.# set interfaces ge-0/0/0 gigether-options loopback C.> set interfaces ge-0/0/0 loopback D.> loopback ge-0/0/0