System information

 Fast Roaming

Working Principles of Basic Functions

Shorten Re-Authentication Time when Roaming

 WPA2 Pre-authentication (WPA2-PSK & Enterprise)

• The client can attempt to authenticate to other APs within range.

• D-Link’s implementation – Pre-Auth request will be forwarded by the Unified Switch

to the nei

hborin

AP.

Unified Switch

Neighboring AP

Pre-Auth request

 WPA2 Key Caching (WPA2-PSK & Enterprise)

• The AP & Clients will retain the PMK key generated for each session.

• When the client roams to another AP and then roams back, re-authentication is not

necessary