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UC-7420/7410 User’s Manual Managing Communication
4-20
# connect tap device to the bridge
brctl addif br0 tap${i}
# null ip address of tap device
ifconfig tap${i} 0.0.0.0 promisc up
i=`expr $i + 1`
if [ $i -ge $maxtap ]; then
break
fi
done
# null ip address of internal interface
ifconfig $iface 0.0.0.0 promisc up
# enable bridge ip
ifconfig br0 $IPADDR netmask $NETMASK broadcast $BROADCAST
ipf=/proc/sys/net/ipv4/ip_forward
# enable IP forwarding
echo 1 > $ipf
echo “ip forwarding enabled to”
cat $ipf
}
stop() {
echo “shutdown openvpn bridge.”
ifcfg_vpn
i=`expr 0`
while :
do
# disconnect tap device from the bridge
brctl delif br0 tap${i}
openvpn --rmtun --dev tap${i}
i=`expr $i + 1`
if [ $i -ge $maxtap ]; then
break
fi
done
brctl delif br0 $iface
brctl delbr br0
ifconfig br0 down
ifconfig $iface $IPADDR netmask $NETMASK broadcast $BROADCAST
killall -TERM openvpn
}
case “$1” in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
*)
echo “Usage: $0 [start|stop|restart]”
exit 1
esac
exit 0
#---------------------------------- end -----------------------------
Create link symbols to enable this script at boot time:
# ln -s /etc/openvpn/openvpn-bridge /etc/rc.d/rc3.d/S32vpn-br # for example
# ln -s /etc/openvpn/openvpn-bridge /etc/rc.d/rc6.d/K32vpn-br # for example