Would really help if you told us which Pi and how fast the connection is and what sort of speeds you need? Pi’s are not great at OpenVPN as it’s a single threaded process, Pi’s earlier than the 3B+ really struggled due to the networking bus sharing bandwidth with the USB bus, the 3B+ fixed that and the 4 made things a lot better in terms of CPU/Networking, but you’ll still be limited to 100Mbit or so OpenVPN. If you want near gigabit speed, have you considered a provider who supports wireguard? Also is speed really the issue? A lot of the time people think it is, but realistically a 4Mbit stream is 4Mbit even if you have a gigabit WAN connection, stability and using an end point that’s low latency and not over subscribed tends to be more useful.
IkeV2 is not considered secure and hasn’t been for a long time. Depending on the reason for using a VPN this may or may not be an issue for you.
It's a 3b (don't think plus) 1gb.
My connection speed is 37mb or thereabout depends on sky at the time. I need about 25mbit min really for HD iptv.
Using Ikev2 on my phone, I'm getting nearer 30+, with UDP or TCP it's closer to 15.
Didn't realise Wireguard was a thing. I might look into that instead as I'm not tied into any VPN contracts and I have a trial sub for Mullvad. Thanks
Ps... Installed wireguard and connected it to Mullvad VPN and I'm getting my full connection speed @ around 37mbit. Very happy with that.
Thanks for the advice.
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Mullvad has been at near constant max connection speed since day 1, even when using nearby foreign country servers. It is slightly more expensive than Nord but it just works and it works well.