Thanks for your support, it was really helpful information. But I have the following question, in Tunnel Mode, the traffic will pass through the GRE tunnel until reaching the controller without being able to access local LAN. After the traffic reaches the controller it can be routed again and reach the LAN right? so what is the difference here between Tunnel and Bridge since both can now access the LAN (Ignore the Vlan setting).
Also, I would like to know the traffic flow for a Tunnel Mode in the following scenario:
I have a CAP's in different locations using tunnel mode to the controller which is located in another location, the IP's are leased to all AP's through a separate DHCP server. In this setup, I see the clients are getting another IP's in the range (192.168.190.0) which is different than the AP range, so in order for this traffic from this range to access the internet or the internal resources it should be NAT-ed in the controller for example, but I see no configuration for any NAT statement inside the controller