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Reducing buffering when accessing Jellyfin via Tailscale (lemmy.world)

submitted 2 days ago by SkinList@lemmy.world to c/selfhosted@lemmy.world

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I currently have a jellyfin setup running on my pc which I access when away from home by tailscaling into my home network. This works great for my partner and I while we are away from home.

I have given my siblings access to my jellyfin setup as well, and I've added them to the tailscale network too. They live in a different country though and have had some latency issues (media buffering constantly) making it kinda suck to use.

I would love to be able to improve this performance but I dont really know where to start. Would this be a bandwidth issue somewhere between my pc, tailscale, my router, their router, and their device? Would this be caused by some setting in my jellyfin setup or in the jellyfin client on their device? I would really appreciate any advice on where I should start to troubleshoot to improve this performance.

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[–] nightrider@lemmy.world 1 points 1 day ago (1 children)

Would using something like pangolin be a solution to improve speeds rather than stuff going via relay it goes DNS->VPS->Local VM behind cgnat accessed via tunnel?

[–] stratself@lemdro.id 1 points 11 hours ago

Hi, I think OP wants their sibilings to directly connect to their PC, skipping any relays, even if it's their VPS.

But if you are comparing setting up your own VPS instead of relaying through Tailscale's DERP, then the answer is... it depends on the distance and whether you can establish VPS->Local VM direct connections.

I found opening a specified port for Tailscale on the VPS to help with direct connections with CGNAT'd peers. I'm not familiar with Pangolin, but I think the same principle applies as long as at least one address:port combination is agreed between Wireguard peers.

If I'm being honest though, before doing all this, try asking your ISPs for IPv6 to avoid these cumbersome things together.