if a customer has existing Mobility Express on an AP3800 running as master can the 9100 AP's be added or do we make the new 9130 the master & have the older AP's join..? is their a migration tool for the config etc..? are you required to buy DNA licensing on the 9130 if using the embedded controller solution? - the problem is DNA requires buying an DN2-HW-APL which runs $80k & there is no Hyper-V/VM solution like there is with prime infrastructure - is this embedded controller also in the 9120, 9117 - lastly the new AP's no longer support Cisco ClientLink like the AP3800/4800 do?