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GENERIC ROUTER:
1. Login the router.
2. Choose "Advanced", select "Virtual Servers"
3. Input the port, IP address, Protocol, then click save.
Note: The "public port" & "private port" should be the same as camera's
port, choose the protocol to be "both".
After all these 4 steps done, then you can use the DDNS freely, check
the DDNS status from the camera as below, and get the link of DDNS
for internet view.
Step: "Login">"System">"Device Info":
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