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 (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:
  • 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 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.

Thank you for following article!

Leave a Reply

Your email address will not be published. Required fields are marked *