Does all network traffic from and to a WLAN client tunnel through a Wireless LAN Controller (WLC) once the access point (AP) gets registered with the controller?
A. When the AP joins a WLC, a Lightweight Access Point Protocol (LWAPP) tunnel is formed between the two devices. All traffic, which includes all client traffic, is sent through the LWAPP tunnel. The only exception to this is when an AP is in Remote Edge AP (REAP) mode. When the AP is in REAP mode, the control traffic is still tunneled to the WLC, but the data traffic is bridged locally on the local LAN.
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