@HelpFixDecoApp i believe the top one best describes the topology of my system , but its not accurate as such it goes from the incoming cable to NBN box , then the main deco in router mode from...

@HelpFixDecoApp thanks for the automated response , i have updated the firmware as suggested , this has not resolved the issue , i have gone through and tried opening a port again following the...

i am having trouble port forwarding anything through Deco i have followed all the guides and still cant get it to work for me , i have previously had port forwarding working with previous routers...