Migrating from CN1610 cluster switches to BES-53248 cluster switches

Is the migration really as simple as what is listed in this guide or are there steps missing?

https://docs.netapp.com/platstor/topic/com.netapp.doc.hw-sw-ix8-replace-cn1610/GUID-02D27B10-7E73-427C-B015-F6469A0F4C75.html?cp=18_3_0_0

I'm getting some conflicting information about some extra steps that are needed and not in that guide.