Re: Wireguard, MTUs, and jumbo packets

From: Dustin Marquess <dmarquess_at_gmail.com>
Date: Tue, 05 Apr 2022 22:07:58 UTC 
On Tue, Apr 5, 2022 at 9:46 AM <freebsd-net@brettglass.com> wrote:
>
> Interesting. That 60 byte overhead (which I understand is intended
> to make the protocol connectionless) is concerning, because to send
> a 1500 byte packet one needs to have enabled jumbo packets along
> the entire path. Otherwise, there will be a lot of fragmentation...
> which in turn will create yet more overhead.

Strangely, I'm seeing a 96-byte overhead over IPv4, maybe because I'm
using a PSK also?

I'm seeing a 90-byte overhead with IKEv2, though, so an extra 6 bytes
isn't a huge deal to me.

-Dustin