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Before you configure port forwarding you need to insure that you have a reserved or static IP address, view this help article on how to reserve an IP address with a Netgear router.

It is important that you have a reserved or static IP address as the rules are set to forward ports to a specific IP address. If you haven’t configured a reserved or static IP address it will change each time you reboot your computer, and the ports will not forward to the correct device.

This guide shows you how to add port forwarding rules on a Netgear router for Call of Duty: Black Ops.

Call of Duty – Black Ops requires you to forward the following ports:

  • 3074 TCP/UDP
  • 3478-4380 TCP/UDP
  • 27000-27050 TCP/UDP

Open your web browser and navigate to the Netgear configuration page (default is

Netgear router interface login details

Click “Port Forwarding” on the left hand menu bar

Port forwarding highlighted on the Netgear router interface

Ensure “Disable Port Forwarding” is not ticked and click “Add New Rule”

Add new port forwarding rules

Select the “Custom Rule” radio button.

Select "Custom Rule"

For Call of Duty: Black Ops three sets of rules need to be created, enter a rule name, the service type, the starting/ending ports (if its only 1 port these will be the same) and then enter in the “Server IP Address” this is the static IP address that you will have assigned to the computer you wish to play the game on.

First set of ports for Black Ops

Click “Add New Rule” and enter in the details below again replacing the “Server IP Address” with the static/reserved IP you assigned to your PC.

Second set of ports for Black Ops

Enter this final set of rules, then click “Apply”

Final set of ports for Black Ops

You should now be able to see a summary of the 3 new rules created, insure they are all correct then click “Apply”.

Check the details and click "Apply"

With all the correct ports forwarded to the correct IP you should now be able to host and play Call of Duty: Black Ops.