System information

 Layer 2 Distributed Tunnel
New Functions Implementation (DWS-4026/DWL-8600AP)
Layer 2 Distributed Tunnel Operation (Cont.)
 It uses CAPWAP tunnel encapsulation to forward L2 frames, no extra IP
header is needed.
 Association AP encapsulates the packets into tunnel and Home AP de-
capsulate the packets.
capsulate the packets.
 Note: If a client roams to another AP in the same subnet, the tunnel is not
created, and the new AP will become the Home AP.
L2 Tunnel
Home AP Association AP
Dt
IP
L 3 Switch
DataIPIP
DataIP
D
a
t
a
IP
Encapsulate the original
packet to the frame body
De-capsulate the packets
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