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MardukLitzer
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Netapp Controller Connectivity to Two Upstream Switches

What is network behavior like when dual NetApp controllers are connected via a single Ethernet link each to two upstream switches? Is there a need for any loop prevention under this scenario? What are some design guidelines for this topology?
StorageSwitches / Hubs

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berkcomjonathan

8/22/2022 - Mon
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robocat

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Paul Solovyovsky

It also depends if you are using Multipath HA or single path if you're using shelves.  If you are using Multipath HA then each controller is connected to every shelf, otherwise the shelved depend on the controller that goes down
berkcomjonathan

robocat is right on. paulsolov's comment has nothing to do with your question.  I would also suggest single-mode vifs to multiple switches, and spanning-tree portfast in order to ensure network redundancy and quick recovery.
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