TP-Link TL-WR340G Installation Manual page 25

User Name - Enter the user name for 802.1X authentication provided by your ISP
Password - Enter the password for 802.1X authentication provided by your ISP.
Click Login to start 802.1X authentication.
Click Logout to end 802.1X authentication.
Host Name - This field is required to be filled by some service provider.
5. If you choose 802.1X + Static IP, you should enter the follow parameters(Figure 3-9) :
TL-WR340G/TL-WR340GD
Figure 3-8 802.1X + Dynamic IP Settings
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54M Wireless Router User Guide