Zhone zNID-GPON-2402 Configuration Manual page 121

Configuration pages
Mixed WPA2/WPA
Mixed WPA2 / WPA — useful during transitional times for upgrades in the
enterprise environment, this mixed authentication method allows "upgraded"
and users not yet "upgraded" to access the network via the router. RADIUS
server information must be entered for WPA and a as well as a group re-key
interval time. Both TKIP and AES are used.
Figure 89: Wireless security with Mixed WPA2/WPA network authentication
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zNID 24xx Series Configuration Guide