How to achieve portal authentication for dumb terminals such as printers in a wireless environment?

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1. Turn on mac-trriger+portal's mac unaware quick portal authentication. After the terminal connects to the network to obtain an IP address, the mac address will be verified first, and the dumb terminal mac address will be added to the authentication server as a perpetual non-sense entries,  the dumb terminal can go online normally. 
   
2. Turn on the mac or portal authentication method (usually because the server does not support the mac-trriger method), write the mac address of the dumb terminal on the radius server in advance, and the wireless device will perform the mac authentication when connecting to the wifi , since the mac address of the dumb terminal already exists on the server,  the dumb terminal can go online normally. 
3. Open another SSID that is not encrypted and not authenticated. It is recommended to set it as hide SSID, and connect the dumb terminal operation to the designated SSID to achieve Internet access.