bridge.sh

#!/bin/bash
PATH="/bin:/sbin:/usr/bin:/usr/sbin"
export PATH

LOCAL_IF="eth0"
VPN_IF="ztc25el5hr"
BR_IP="10.46.1.27/24"
BR_NET="10.46.1.0/24"

date

# esperem fins que la interficie existeixi
while [ ! -e "/sys/class/net/$VPN_IF" ];
do
  sleep 2;
done

# bridge
#brctl addbr br0
#brctl addif br0 $LOCAL_IF
brctl addif br0 $VPN_IF
brctl setfd br0 0
#brctl setmaxage br0 0

# ip
#ifconfig $LOCAL_IF 0.0.0.0
#ifconfig $VPN_IF 0.0.0.0
#ifconfig br0 $BR_IP
#ifconfig $LOCAL_IF up
#ifconfig $VPN_IF up
#ifconfig br0 up

# route
#ip route add $BR_NET dev br0

# iptables
iptables -I FORWARD -i $VPN_IF -j ACCEPT
iptables -I FORWARD -o $VPN_IF -j ACCEPT
iptables -I FORWARD -i br0 -j ACCEPT
iptables -I FORWARD -o br0 -j ACCEPT
iptables -I FORWARD -i $LOCAL_IF -j ACCEPT
iptables -I FORWARD -o $LOCAL_IF -j ACCEPT