Multi PMS router don't allows port forwarding

Server Version#: 1.22.3.4392-d7c624def
Player Version#: ---------------------------

I running Multiple PMS on Ubuntu Server in my HomeNetwork. Before I was using a Single Server and Synology Nat and it working well.

Now i decide I want using LiveTV with Plex and order new Hardware. PMS#1 is running my Lib for Movies, Series and Shows … that’s fine and running well.
My PMS#2 is for LiveTV …so I change the external Port and open the Remote Access … this works for around 2 minutes, then I lost the Remote Access.
I check my Router about the Port forwarding and there is my Problem, I can’t forwarding 32400 to 2 local IP Addresses. Sure its unlogical to forward 1 Port to 2 IP addresses.

I live in Thailand and using a fiberglass Router with 1GB/1GB … my ports are like this:

PMS#1: 192.168.1.12:32400 100.1xx.xx.12:32400
PMS#2: 192.168.1.22:32400 100.1xx.xx.12:32500

Privat 192.168.1.22 : 32400 Public 100.1xx.xx.12:32500 > Internet

So I always lost my Remote Access about a Port Conflict within my Network. I can forwarding the Port 32500-32501 to 32400-32401 but … I can’t forwarding the same ports to 2 different IP Addresses!

I read some Postings by same request … I don’t know why they marked as solved because I the Port its hardcoding as I guess? The Modem/Router I can’t and won’t change because it working very well for me.

I trying to port forward the 32500-32501 port by ufw but not sure my way is the best solution?

P.S. ufw wasn’t a solution. PMS need a lot of ports. so I need a way to change them all

It sounds like you’re doing things correctly. You could share a screenshot if you like.

Some routers don’t let you manually create multiple port forwarding entries for the same internal port.

Sometimes those devices DO work just fine with UPnP. You could try that instead.

(Alternatively, some devices freak out when UPnP and manual entries co-exist. You could also try disabling UPnP on the router.)

You’ve got this backwards. Port forwarding is from the outside to the inside so the way you have it is correct. Or at least looks correct.

Make sure you’ve set both PMS’s to use a manual connection and the correct port.

As MovieFan.Plex said, it should be:

Router 100.1xx.xx.12:32400 → 192.168.1.12:32400 PMS Movies
Router 100.1xx.xx.12:32500 → 192.168.1.22:32400 PMS TV

Although you have 1Gb/ps, you’re behind a CGNAT. In order for your server still be accessible through the internet, Plex offers a relay server, but your bandwidth will be limited to 2 Mb/ps, which will cause your server to transcode most of the times.