System information

 Fast Roaming
Working Principles of Basic Functions
Seamless Fast Roaming
 To speed up the hand over time of the roaming behavior, D-Link
unified solution implements seamless roaming solution with the
following.
Keep the client’s IP address while it roams (L3 Tunnel Mode)
•
Keep the client’s IP address while it roams (L3 Tunnel Mode)
– The wireless client can keep its IP address after roaming to another AP,
regardless it is a L2 or L3 roaming. Even these two APs are in the different
subnets, the client can continue keep the same IP address.
Re
authentication can be avoided or shorten re
authentication time
•
Re
-
authentication can be avoided or shorten re
-
authentication time
– WPA2 Pre-Authentication (WPA2-PSK & Enterprise)
– WPA2 Key Caching (WPA2-PSK & Enterprise)
– Dynamic Key Forwarding (WPA2-Enterprise)
 Note: Dynamic WEP / WPA Enterprise does not supported by fast
roaming function
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