Given the following MPLS configuration to enable frame-mode MPLS over ATM:
interface atm 0/0.2 point-to-point
pvc auto
ip unnumbered loopback 0
tag-switching ip
Which command is using incorrect syntax?
A.
pvc auto
B.
tag-switching ip
C.
ip unnumbered loopback 0
D.
interface atm 0/0.2 point-to-point