Draytek Vigor2920 Series User Manual page 219

Available settings are explained as follows:
Item
Enable this account
User Name
Password
Confirm Password
Idle Timeout
Description
Check this box to enable such user profile.
Type a name for such user profile (e.g., LAN_User_Group_1,
WLAN_User_Group_A, WLAN_User_Group_B, etc). When a
user tries to access Internet through this router, an
authentication step must be performed first. The user has to
type the User Name specified here to pass the authentication.
When the user passes the authentication, he/she can access
Internet via this router. However the accessing operation will
be restricted with the conditions configured in this user profile.
Type a password for such profile (e.g., lug123,
wug123,wug456, etc). When a user tries to access Internet
through this router, an authentication step must be performed
first. The user has to type the password specified here to pass
the authentication. When the user passes the authentication,
he/she can access Internet via this router with the limitation
configured in this user profile.
Type the password again for confirmation.
If the user is idle over the limitation of the timer, the network
connection will be stopped for such user. By default, the Idle
Timeout is set to 10 minutes.
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Vigor2920 Series User's Guide