NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
drjtech
Oct 30, 2025Follower
Problem with port forwarding not working on my CAX80 connected to Xfinity.
 I was having the same problem with port forwarding not working on my CAX80 connected to Xfinity. After double and triple checking for errors on my part I checked the web for a solution and found your...
StephenB
Oct 30, 2025Guru - Experienced User
drjtech wrote:after reverting to FW 2.1.5.2 port forwarding works, and Xfinity breaks it again overnight
What port are you forwarding? It is possible that Xfinity has policy to block that particular port.
Have you tried putting the receiving device in the DMZ (just as a test), to see if the packets get through?