What is NetApp’s best practice regarding Ethernet flow control?

A.
Leave flow control enabled.

B.
Disable flow control on the switch ports.

C.
Disable flow control on the host, switch, and all node ports.

D.
Disable flow control on all 10Gbps ports.

Explanation:
The NetApp Best Practice specifies that Flow Control settings for 10G cluster ports are to be set with Flow Control = None.

How to modify the Flow Control setting on clustered Data ONTAP cluster ports
https://kb.netapp.com/support/index?page=content&id=1015245&actp=LIST_RECENT