问题:
A . The interface must be configured as a Multilink PPP interface.
B . The correct bandwidth should be configured on the interface.
C . A QoS policy must not be currently attached to the interface.
D . CEF must be enable
E . AutoQoS must be enabled globally before it can be enabled on the interface.
F . An IP address must be configured on the interface if its speed is equal to or less than 768 kbps.
● 参考解析
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