#!/bin/sh TAP=fvpn0 INTERNAL_IP=10.43.43.1/24 IP=0.0.0.0 PORT=12345 MAX_PKT_SZ=1440 MTU=$(( $MAX_PKT_SZ - 46 )) ip tuntap add $TAP mode tap ip addr add $INTERNAL_IP dev $TAP ip link set $TAP mtu $MTU ip link set $TAP up ./fatvpnd $TAP $IP $PORT