@mohann wrote:
Hi Sonu, Thanks and appreciate your response. But you can mix and match IAP models as long as their firmware version are same. And IAP 93 can be upgraded to 6.4 OS. Only want to know if any possible issue's..
Warning: The IAP-93 cannot be in a cluster that has the newest 4.2.x.x firmware, because it does not run that version of software. If you have an IAP-93 in a cluster, the cluster cannot have more than 16 IAPs in it. http://community.arubanetworks.com/t5/Unified-Wired-Wireless-Access/IAP-105-with-IAP-93/m-p/71312/highlight/true#M2419
The IAP-93 also does not support APPRF or mac authentication.
Also, be wary of the following limitations of the IAP-92/93 on 4.1.1.x (from the 4.1.1.x release notes):