Remote access is driving me crazy

Plex Media Server Remote Access
1

Server Version#: 1.24.1.4931

sigh… okay let’s see if you guys can help me.
Hi, I got myself a new TerraMaster-server and set up my Plex-library in hope that remote access would work. Of course it didn’t when I just said “enable remote access”, why should it, right? That’d be too easy.

So I studied the Troubleshooting Remote Access page and tried the tips mentioned there:
activated uPnP and reserved the IP-address of the TerraMaster-server. I also wanted to try port-forwarding, but it seems like my router (vodafone station) or my internet rate does not support this feature (something with IPv4/6)?! Tried various ports on canyouseeme.org but everything times out and I’m not so keen on this networking topic, so I’m kind of at a loss there.

The part that bugs me most about this topic is that sometimes when I turn remote access off and on, it says that remote access is working. 5 minutes later it says again it does not.
And what absolutely blows my mind: even when it says remote access is not available, most of the time it works nevertheless… then the video-quality is sometimes really awful, but I fear that’s a different topic for another time…

So my questions:

  1. Is it possible that my router / internet rate is just not capable of port-forwarding? What do I have to do in order to be able to use port-forwarding?
  2. Why does remote access work even though the properties state it shouldn’t?
  3. Any other ideas what might be wrong or what I could try?

Any help is highly appreciated. Thank you in advance!

2

That is relay. https://support.plex.tv/articles/216766168-accessing-a-server-through-relay/

if you can give a specific model number of router someone else may have vodafone as well. not all routers/ISPs call the setting “port forwarding”

3

Oh thank you so much! That’d explain the quality results…

I’ve got the vodafone station, model number: TG3442DE

4

Update:
So the problem with Vodafone is indeed my internet rate. I spoke to a service agent that told me my contract only covers Dual-Stack-Lite and therefore does not include the possibility of port forwarding. I gave in and solved the problem by upgrading my contract. At least it’s working now.

5

You should ask Plex why they haven’t fully implemented ipv6 support that would solve ds-lite pain.