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Guest VLAN
Guest VLAN function enables the supplicants that do not pass the authentication to access the
specific network resource.
By default, all the ports connected to the supplicants belong to a VLAN, i.e. Guest VLAN. Users
belonging to the Guest VLAN can access the resources of the Guest VLAN without being
authenticated. But they need to be authenticated before accessing external resources. After
passing the authentication, the ports will be removed from the Guest VLAN and be allowed to
access the other resources.
With the Guest VLAN function enabled, users can access the Guest VLAN to install 802.1X
client program or upgrade their 802.1x clients without being authenticated. If there is no
supplicant past the authentication on the port in a certain time, the switch will add the port to
the Guest VLAN.
With 802.1X function enabled and Guest VLAN configured, after the maximum number retries
have been made to send the EAP-Request/Identity packets and there are still ports that have
not sent any response back, the switch will then add these ports into the Guest VLAN
according to their link types. Only when the corresponding user passes the 802.1X
authentication, the port will be removed from the Guest VLAN and added to the specified VLAN.
In addition, the port will back to the Guest VLAN when its connected user logs off.
The 802.1X function is implemented on the Global Config and Port Config pages.
12.5.1 Global Config
On this page, you can enable the 802.1X authentication function globally and control the
authentication process by specifying the Authentication Method, Guest VLAN and various
Timers. Please disable Handshake feature if you are using other client softwares instead of
TP-Link 802.1X Client.
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