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The original was posted on /r/ivpn by /u/bawdyanarchist on 2023-10-11 21:07:08+00:00.

A couple years ago, I was having issues with connectivity, and an IVPN rep told me to drop the MTU to 1400, which solved the problem.

However, I have intermittent connectivity problems to certain sites, and I’m pretty sure it’s related to going through a VPN. For example, Twitter, Reddit, and openai are both sites that either sometimes wont load, or lag heavily, at particular times. Usually evening, US time. Other times it’s fine. About half the time, changing my exit server will help, but it will still be slow. Other times, it doesnt matter what I do.

Other websites work just fine though. I’m not sure if this is an MTU problem, an IVPN problem, a Cloudflare problem (blocking/restricting IVPN), or a combination. But at any rate, u/IVPN , can you tell me whether MTU 1400 is still recommended?