I thought when CPSec is enabled, the only tunnel protocol we can use is IPSec.
But if you see this link below
http://community.arubanetworks.com/t5/Wireless-Access/IPsec-vs-GRE-for-APs-to-controller-which-one-would-Aruba/td-p/269201
Is it true that the GRE tunnel still exists and availbale?
To be short, When CPSec is enabled, both IPSec and GRE are available between APs and Controllers?
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