Comment Re: And just like that, everyone stopped using Ple (Score 1) 29
My ISP doesn't do that - they have a proper IPv6 implementation. However, my Wireguard tunnel is only setup for IPv4.
I ran into the MTU problem this summer. I couldn't access my Home assistant over Wireguard at all when my smartphone was connected to cellular. It worked fine when connected to hotel Wifi. I finally figured out that I needed to drop the MTU. I dropped it on the client side - both my smartphone, and my laptop, which was connected to the smartphone's hotspot. This was on a different domestic trip, during which I didn't stream Plex, so I am not sure if that would have improved things.
I think Plex now always uses TLS, even on local LAN or WLAN. When connecting remotely via Wireguard VPN, you have both Wireguard and TLS overhead. This would at least in theory reduce throughput by a small factor. Bandwidth was certainly a factor when connecting from Vietnam. Fortunately, Plex lets you choose a lower bit rate and does real-time re-encoding. The automatic fallback algorithm did very poorly, I had to set quality manually to avoid very frequent pauses.