T-Mobile 4G/5G CGNAT vs WireGuard tunnel jitter

Roman Mamedov rm at romanrm.net
Sat Apr 10 15:59:51 UTC 2021

On Sat, 10 Apr 2021 10:27:23 -0500
Lonnie Abelbeck <lists at lonnie.abelbeck.com> wrote:

> I have been testing the T-Mobile Home Internet (4G/5G fixed wireless) service to a Linode VM via WireGuard.
> The TMHI service uses CGNAT plus an additional NAT in their modem/gateway with a MTU of 1420, so WireGuard is configured with a 1340 MTU.

Do they provide IPv6? I see mentions that yes, but with incoming connections
blocked. Might still work for WG.

With respect,

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