Avaya AP-6 - Manual (Page 236)

Configure Multiple SSID/VLAN/Security Mode Entries
4-138 Avaya Wireless AP-4/5/6 User’s Guide
2. Place a check mark in the Enable VLAN Protocol box to enable
VLAN support. If VLAN is disabled, all table entries on the
SSID/VLAN/Security page will be disabled.
3. Click the tab for Wireless A or Wireless B (if applicable).
4. Place a check in the Enable Security Per SSID check box.