/etc/config/dhcp
option 'dhcp-option' '26,1472'
/etc/tinc/ffmz/tinc-up
#!/bin/sh
insmod batman-adv
batctl if add ffmz
batctl if add wlan0-1
ifconfig ffmz up
ifconfig bat0 mtu 1472 up
ifconfig wlan0 mtu 1472
/etc/config/wireless
option mtu '1472'
/etc/config/network
config mtu '1472'