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Configuration procedure: 
Step 1  Start a web browser on a device connected to the router and visit tendawifi.com to log in 
to the web UI of the router. 
Step 2  Configure the DDNS function. 
1.  Choose Advanced Settings > DDNS. 
2.  Enabled the DDNS function. 
3.  Choose a service provider, which is oray.com in this example. 
4.  Enter the user name and password, which are JohnDoe and JohnDoe123456 in this 
example. 
5.  Click Save. 
 
Wait a moment, when the Connection Status turns Connected, the configurations succeed. 
Step 3  Configure the virtual server function (refer to Virtual server) 
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When completing the configurations, users from the internet can access the virtual server by 
visiting “Intranet service application layer protocol name://the domain name”. If the WAN port 
number is not the same as the default intranet service port number, the visiting address should be: 
“Intranet service application layer protocol name://the domain name:WAN port number”. In this 
example, the address is ftp://o2849z7222.zicp.vip.