You are troubleshooting an existing LAG. After issuing clear Lacp counters, you observe the
output shown in the exhibit.

What is the problem?

A.
The VDX is not transmitting LACPDUs.

B.
An upstream switch is not transmitting LACPDUs.

C.
An upstream switch is flooding LACPDUs on port channel 10.

D.
The VDX is not marking LACPDUs on port channel 10.