On Tue, 17 Dec 2019 13:38:59 -0600 John Hasler <[email protected]> wrote:
> Celejar writes: > > ...on my normal network connection, with > > the MTU left at the normal 1500, I have no problems. > > What *kind* of connection? Verizon Fios residential. But I have used my system with dozens of different internet connections, and I do not usually experience these sorts of problems. > > It's only while on this particular connection via cell phone tether > > that I see problems. > > The problem I experienced had to do with pppoe overhead and fixed packet Yes, many of the discussions I have seen of needing to lower MTU refer to PPPoE. > size but I see no reason a similar problem couldn't crop up elsewhere. > How does the tethering work? I'm not that familiar with the internals, but basically, the phone presents a wifi access point, the computer connects to it as it would to any AP, and the phone apparently routes packets to and from the cellular network. Celejar

