- ARGS+=" noipdefault default-asyncmap defaultroute hide-password local mtu 1492"
- ARGS+=" mru 1492 noaccomp noccp nobsdcomp nodeflate nopcomp novj novjccomp"
+ ARGS+=" noipdefault default-asyncmap defaultroute hide-password local mtu ${MTU}"
+ ARGS+=" mru ${MRU} noaccomp noccp nobsdcomp nodeflate nopcomp novj novjccomp"