1) To enable IP Passthrough Mode on the ICG-250 open a web browser and navigate to  Then use the credentials located on the label on the bottom of the router. Need help?

2) In the System dropdown select IP Passthrough

3) Click the checkbox to the right of Enable IP Passthrough

4) You will then be presented with additional options.  We suggest leaving the 2 default options, unless otherwise needed.  

          *You can change the IP Passthrough Mode to be 'DHCP Fix MAC' but this will require you to add the MAC ID of the                    device that you want to be the only device that the IP can be passed to.


5) Then Click apply to finalize the changes.  

Note: Once the device is in IP Passthrough Mode you will not be able to access the Web UI.