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Plex remote access - low quality even with gigabit fiber (self.selfhosted)

submitted 4 months ago* (last edited 3 months ago) by triptrapper to c/selfhosted

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Hey all, I'm very new to self-hosting and have no background in anything computer-related. I'll explain in as much detail as I can. I'm running Plex on a Synology DS220+. I'm using the Plex app, i.e. not using Docker (see note below).

The issue: I can watch Plex on my local network in 4K, but outside my local network it barely makes it to 720p. I thought it was an issue with my upload speed, but I got gigabit last week and it hasn't fixed the issue. I have remote access enabled in Plex through a manually-specified port. The issue persists with my own account and any friends who have access to my library.

I appreciate any advice, links or questions you can offer!

NOTE: I understand the benefits of Docker and I promise to transition in the future. I spent many hours learning and troubleshooting, and it was even functional at times, but eventually I needed something that just worked.

EDIT: You all have been so helpful and supportive. Thanks for meeting me where I'm at and sharing some potential issues.

EDIT2: I found the culprit by accident. I had UPnP enabled on my router. I turned it off and my local speeds increased significantly, and my Plex library is available remotely. I don't know how or why UPnP is related, but that's what the solution was for me. Thanks again for all your input and support.

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[–] [email protected] 4 points 4 months ago (3 children)

My fiber company double natted me.

https://www.reddit.com/r/HomeNetworking/comments/8tl0wv/whats_double_nat_and_why_do_i_want_to_avoid_it/

It was really messing with my Plex remote connections and my VPN.

If you can't sort it out locally might want to give your isp a call and find out if they e done the same.

P.s sorry for the shit website link.

[–] triptrapper 2 points 4 months ago (2 children)

Ah, Plex suggested I might be double-natted. Since fiber doesn't need a modem (from my understanding) I have: fiber cable to box, box Ethernet to router, router ethernet to NAS. Maybe it would be better if I did box directly to NAS? Or would that put it on a separate network? I'll look into your double-nat solution. Thank you.

[–] piyuv 3 points 4 months ago (1 children)

You need to call your isp and request a static ip. Most probably they’ll say its extra but usually around $5. If they say they don’t give static ips to individuals you can request an ipv4 dynamic address and use a ddns. ipv6 only networks also result similarly to double nat

[–] triptrapper 1 points 4 months ago

Thanks for the tip. My ISP only offers static IPs for the business tier, but I'll ask about ipv4.