#!/bin/sh OS=`uname` HERE=`dirname $0` . $HERE/vpn.conf . $HERE/router.conf IP4_ADDRESS=$IP4_PREFIX$(($IP4_BASE + $ROUTER_ID)) case $OS in FreeBSD) ifconfig $INTERFACE $IP4_ADDRESS/$IP4_NETLEN ;; Linux) ip link set $INTERFACE up ip addr add $IP4_ADDRESS/$IP4_NETLEN dev $INTERFACE ;; esac