Prior to enabling PPPoE in a virtual private dialup network group, which task must be completed?
A . Disable CDP on the interface.
B . Execute the vpdn enable command
C . Execute the no switchport command.
D . Enable QoS FIFO for PPPoE support.
Enabling PPPoE in a VPDN Group
Perform this task to enable PPPoE in a virtual private dial-up network (VPDN) group.
This task applies only to releases prior to Cisco IOS Release 12.2(13) T.