Thanks for the response. I'm using the 32400 port (and set it to manual on PMS). I set up a static IP address for the computer running PMS. My settings in the modem are exactly the same as yours. Firmware version is 4.5.8.21. (Not related, but I fixe...
I've been trying to open a port on my CGNM3552 router (which I recently installed). It's for the Plex Media Server. However, despite following all the rules on portforward.com, the port remains closed. I'm not sure if this is related, but my devices ...