02-20-2019 02:33 AM
As long all IAPs are running Aruba InstantOS 126.96.36.199 or Aruba InstantOS 188.8.131.52 for the 303P. They will form a cluster if in the same L2 broadcast domain. If they are L3 separate they will be in separate clusters.
ACMP, ACSA, ACDX #985
If my post addresses your query, give kudos:)