Dell POWEREDGE M1000E - Manual (Page 470)

470 Configuring a Captive Portal
User Group
You can assign Local Users to User Groups that you create. If the Verification
Mode is Local or RADIUS, you assign a User Group to a Captive Portal
Configuration. All users who belong to the group are permitted to access the
network through this portal. The User Group list is the same for all Captive
Portal configurations on the switch.
To display the User Group page, click System → Captive Portal → User
Group .
Figure 17-15. User Group