Ok, I can't find any port forwarding instructions for your model! The portforward.com site has instructions for the 7402g & 7402VGO. There's a wee bit of info on the Billion forum here
http://www.billion.com.au/forums/lof...php/t4684.html

Someone else on that forum did say they'd set up p/f for their 7402VGP using instructions at the portforward site... I'm guessing they used the VGO instructions but that's just a big guess!!

Maybe you should get onto the Billion forum & ask if you can use those instructions for your model. If you can, go to www.portforward.com & you'll find the info there.

Sorry I can't help more