rc.local 不执行 sh /etc/openvpn/ip-pre-up
root@OpenWrt:~# vi /etc/rc.local
iptables -I FORWARD -o br-lan -j ACCEPT iptables -I FORWARD -o tun0 -j ACCEPT iptables -t nat -I POSTROUTING -o tun0 -j MASQUERADE sh /etc/openvpn/ip-pre-up exit 0
root@OpenWrt:~# ls -ls /etc/openvpn 448 -rwxr-xr-x 1 root root 458322 Mar 9 02:04 ip-pre-up