How to access the network camera through the external network

1, enter the router's background configuration interface;

2, check whether the router has peanut shells or sunflower, etc. to provide dynamic domain name resolution services;

3, register and bind peanut shells or sunflower, etc., dynamic domain name resolution account;

4, add the address of the webcam;

5, through the extranet, enter your IP Add the port number and you can access it \\\ IP: port number