TP-Link T1500G-10MPS T1500G-10MPSUN V1 User Guide - Page 175
Global Config
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3. Quiet-period timer (Quiet Period): This timer sets the quiet-period. When a supplicant system fails to pass the authentication, the switch quiets for the specified period before it processes another authentication request re-initiated by the supplicant system. 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. Choose the menu Network Security→802.1X→Global Config to load the following page. Figure 12-22 Global Config 166