cnPilot with Aruba Clearpass as Radius Server

FYI

L2GRE is not supported in Mikrotik because Mikrotik didn't use open standard GRE.

This statement said by Mikrotik Forum Guru and I test myself.

So for L2GRE, cambium way is to connect to cnMaestro as proxy

http://community.cambiumnetworks.com/t5/cnMaestro/cnMaestro-GRE-Tunnel-Configuration-amp-Debugging/m-p/75493