automtu

Auto-detect your egress interface, optionally probe Path MTU (PMTU) using DF-ping, compute a WireGuard MTU, and apply MTU settings.

Install (editable)

pip install -e .

Usage

Show only (no changes): automtu --dry-run

Probe PMTU to targets and apply on egress: sudo automtu --pmtu-target registry-1.docker.io --apply-egress-mtu

Auto-add WireGuard peer endpoints as targets and apply WG MTU: sudo automtu --auto-pmtu-from-wg --apply-wg-mtu

Force WG MTU: sudo automtu --set-wg-mtu 1372 --apply-wg-mtu

Help: automtu --help

---

👤 Author

Kevin Veen-Birkenbach https://www.veen.world