How to open the port (NAT Port) of Router Draytek Vigor 3900 Series

Today I will share with you how to open the port (Nat port) of Router Draytek Vigor 3900 Series andsimilar lines

Step 1: Login to Draytek Vigor 3900 Router and proceed to Nat Port

  • Log on to your modem by opening your web browser and typing http://192.168.1.1 (default or optional). It will appear the router’s interface and ask to log in.
  • Go to NAT -> Port Redirection -> 1 (Order number)

Step 2: Enter the parameters to nat port

Next enter the IP address and Port of the device you want to open Port, here I for example enter the following information:
  • Check Enable 
  • Mode: Single or Range depending on whether you want to open 1 port or follow the port range
  • Service Name: As you please, set
  • Protocol: TCP
  • WAN Interface: WAN1 or WAN2 depending on your setup
  • Public Port: The internal port of the device that needs NAT out. This example is port: 37777
  • Private IP: enter the IP address that needs NAT, This example NAT port of Camera has IP: 192.168.1.250
  • Private Port: The external port needs to be open for the signal to enter. This example is port: 37777
  • Then click OK to save the open port configuration

Step 3: Check port opening results

After opening the port. You need to check if your port has opened or not.
  • By going to the following ping.eu page, select Port Check.
  • The browser will redirect to another page where you do the following:
  • Click on the number after the words Your IP is
  • In the IP address or host name box, that number will appear
  • In the Port Number box, enter the ports you have opened. click Go.
  • If the result as shown above is that you have succeeded On the contrary, as shown below, you have not succeeded, it is necessary to check the steps above.

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