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Which protocol does controllers use among them for airgroup specific query and response? 

Jul 10, 2014 04:19 PM

Question Which protocol does controllers use among them for airgroup specific query and response?
Environment This article applies to Aruba Mobility Controller running ArubaOS 6.3.0.0 or higher.

 

ArubaOS 6.3 supports a multi-controller AirGroup cluster. The AirGroup cluster can consist of multiple controllers in various configuration combinations such as master-master, master-local, and local- local.

In multi-controller deployment, each controller will independently maintain the cache for connected devices and will respond with any matching records for any mDNS queries received from its wireless/wired users. 

The AirGroup controller maintains a multi-controller table that has a list of all other controllers in the same domain. Thereby, controller will also add meta data to same mDNS query and forward it to other controllers in the same domain using Process Application Programming Interface (PAPI). In response, other controllers will respond with matching records after applying appropriate policies.

 

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