TP-Link T1600G-18TS Configuration Manual page 599

Configuring Network Security
Guest VLAN
Guest VLAN ID
Accounting
2) In the Authentication Config section, enable Quiet, configure the Quiet timer, and click
Apply.
Quiet
Quiet Period
Retry Times
Supplicant
Timeout
Select whether to enable Guest VLAN. By default, it is disabled.
If the Guest VLAN is enabled, a port can access resources in the guest VLAN even
though the port is not yet authenticated; if guest VLAN is disabled and the port is
not authenticated, the port cannot visit any resource in the LAN.
Enter the guest VLAN's ID. It must be an existing VLAN with the ID ranging from 2
to 4094.
Enable or disable 802.1X accounting function.
Enable or disable the Quiet timer.
Specify the Quiet Period. It ranges from 1 to 999 seconds and the default time is
10 seconds.
The quiet period starts after the authentication fails. During the quiet period, the
switch does not process authentication requests from the same client.
Specify the maximum number of attempts to send the authentication packet. It
ranges from 1 to 9 times and the default is 3 times.
Specify the maximum time which the switch waits for a response from the client. It
ranges from 1 to 9 seconds and the default time is 3 seconds.
If the switch does not receive any reply from the client within the specified time, it
will resend the request.
802.1X Configuration
Configuration Guide 576