On prior Migrations (NW 4.x to NW 5.1), I was under
the belief that the Source and Destination servers
should be temporarily moved to a Hub (that's connected
to the rest of the network) during the Migration. ['Don't
recall if I saw this in any documentation or a comment
on a Forum.]

I've been looking over the documentation on the latest
Migration Wizard, but don't see any reference to the
need for a Hub (as opposed to a Switch).

Is there a need for a Hub--or will a Switch work ok?

[Both servers on Gb Ethernet ports with 2 Intel NICs
configured for ALB Teaming, so I'd rather go with the
Switch, rather than my old 100Mb Hub.]