#!/bin/sh case ${1} in start) echo -n '1' > /proc/sys/net/ipv6/conf/all/forwarding echo -n '1' > /proc/sys/net/ipv4/ip_forward ;; stop) echo -n '0' > /proc/sys/net/ipv4/ip_forward echo -n '0' > /proc/sys/net/ipv6/conf/all/forwarding ;; esac