Home devices can't see Plex Media Server as DLNA server

Plex Media Server Desktops & Laptops
1

Server Version#: 1.16.1.1291
Player Version#:
Plex Media Server v1.16.1.1291-158e5b199 - Ubuntu PC x86_64 - build: linux-x86_64 debian - GMT 00:00
Linux version: 18.04.2 LTS (Bionic Beaver), language: ru-RU
Processor Intel Core i7 9xx (Nehalem Class Core i7)

Hi, I installed Plex Media Server on VM with ubuntu on Thecus NAS. (192.168.0.X)
All my devices are on the same network 192.168.0.0/255.255.255.0

My android plex pleer sees and plays items of Plex server.
But my notebook and my TV doesn’t see my DLNA server. But they see my VM with Plex Server and can ping it. I open from TV browser some pages on my VM. Sometimes Plex Media Server from VM may appear in my notebook network, but when I click on it it disappears.
My NAS (192.168.0.Y) has Plex Media Server installed. When I activated it all my devices can see it.
What is wrong with my PMS on VM?

netstat -ntlp | grep LISTEN
tcp 0 0 0.0.0.0:32400 0.0.0.0:* LISTEN 1436/Plex Media Ser
tcp 0 0 0.0.0.0:1905 0.0.0.0:* LISTEN 20197/Plex DLNA Ser
tcp 0 0 127.0.0.1:32401 0.0.0.0:* LISTEN 1436/Plex Media Ser
tcp 0 0 0.0.0.0:32469 0.0.0.0:* LISTEN 20197/Plex DLNA Ser

2

NAT mapping? Is the network adapter in the VM set for Bridge or NAT?
If set for NAT, it’ll be on a different subnet somewhere.
If set for Bridge, it’ll have its own IP on your LAN as if a separate host.

3

Hi, may be I wrote not so clear.
Yes, It is Bridge. And it’s on the same subnet. VM IP 192.168.0.X, NAS IP 192.168.0.Y.
And I can open from TV browser some pages on my VM. So it is accessible and on the same subnet.

4

Thank you. I think you’re having a problem with UDP not being seen. PMS uses TCP, DLNA uses UDP.

Perhaps it best to check all the firewall ports?

https://support.plex.tv/articles/201543147-what-network-ports-do-i-need-to-allow-through-my-firewall/

5

Hi, I checked iptables. It is empty and in accept mode

6

Ubuntu’s UFW runs independent of iptables. Is it enabled?

7

Network adapter of vm set to bridge.
Vm on the same subnet 192.168.0. as other devices.

8

I will check UFW ASAP.

9

sudo ufw status
Status: inactive

10

Plex’s DLNA is not the best. I’m not surprised it doesn’t work for everything.

With Engineering’s focus on other things and DLNA being low priority, this may be some time before being addressed.

Sorry

11

The strange thing is that my PLEX APP in my TV sees Plex server on the Nas, but don’t see Plex server on my VM on the NAS. DLNA switched off. Mobile app last version sees Plex server on vm. My be in this case “without dlna” Plex app on tv too all…

P.S. Plex servers have different versions.

12

Can Plex dlna server be somehow debugged?
To look in the logs to find some attempts to o connect…or errors. I tried to look in dlna server logs…everything seemed ok but it doesn’t have any info about connections…

13

Hi!Is the anybody who can help?

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