System information

 Fast Roaming
Working Principles of Basic Functions
Seaming Fast Roaming – Keep IP Address
 It is only used for time-sensitive roaming traffic, such as IP mobile
telephone.
 Typically this feature is for customer to deploy in VoIP environment, general
data traffic does NOT necessary require this function.
data traffic does NOT necessary require this function.
 If using L3 roaming, enable at least two SSIDs per AP
• One SSID for traffic that must use tunnel (VoIP)
• One SSID for non-VoIP traffic
Unified
Switch
L3 Network
AP1
AP2
AP3
AP1
172.17.1.1/24
AP2
172.17.2.1/24
AP3
172.17.3.1/24
Data
Non Tunnel
VoIP
L3 Tunnel
Data
Data
Non Tunnel
VoIP
VoIP
90
Non Tunnel
L3 Tunnel
Non Tunnel
Non Tunnel
L3 Tunnel
L3 Tunnel