ZyXEL Communications VANTAGE RADIUS 50 Quick Start Manual page 18

2. If your AP uses MD5 authentication, then Dynamic
WEP Key Exchange must be disabled as MD5 uses
static keys. PEAP can use both dynamic and static keys.
Vantage RADIUS 50 Quick Start Guide
1. Select Authentication Required so that all wireless stations have to enter
usernames and passwords before access to the wired network is allowed.
3. Select the order of databases
your wireless AP checks for a
username and password.
16