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The original was posted on /r/wireguard by /u/SkyMix_RMT on 2024-01-06 22:15:10+00:00.
Hi,
I have a pfsense machine in my home running WireGuard VPN. I use my laptop and my android phone to connect to my home network and access local machines, NAS, etc.
However, when I enable the WireGuard tunnel in my android phone all internet services become unusable, the connection acts extremely weirdly, it keeps "freezing" every other minute and is only usable for a few seconds at a time, for example when downloading a file, it takes ages for the file to start downloading but once it gets going it's fast, but only for a few seconds, then it hangs again.
This only happens when using WireGuard on my android phone, WireGuard on my laptop works fine, I use an alternative OpenVPN tunnel to my pfsense box on my android phone and it works fine. This problem is specific to the WireGuard app on my phone.
I have tried setting persistent keepalive to 5/10 seconds, changing MTU to 1500 (the default setting is "(auto)"), restarting everything, uninstalling the app, reinstalling WireGuard app and remaking tunnel, nothing worked so far.
If anyone could help me figure out what is happening here it'd be much appreciated!