Which switch vendor is supported for the cluster network switches?

A.
Juniper Networks

B.
Cisco

C.
Brocade

D.
Hewlett-Packard

Explanation:
Cisco Nexus 50×0 switches can be deployed as NetApp cluster network switches.
How to setup and configure the Cluster Network Switch
https://kb.netapp.com/support/index?page=content&id=1012684&locale=en_US