PF_RING-5.6.0/vPF_RING/img/if-up.sh

#!/bin/sh
set -x

switch=br0

if [ -n "$1" ];then
        tunctl -b -t $1
	ifconfig $1 up 0.0.0.0 promisc
        sleep 0.5s
        brctl addif $switch $1
        exit 0
else
        echo "Error: no interface specified"
        exit 1
fi