#!/bin/bash



bridge=/usr/local/sbin/brctl

ifc=/sbin/ifconfig

start_bridge() {

$ifc eth1 down
$ifc eth0 down

$ifc eth1 0.0.0.0
$ifc eth0 0.0.0.0

$bridge addbr br0
$bridge addif br0 eth1
$bridge addif br0 eth0
$ifc br0 192.168.1.1
}


start_eth0(){
$ifc eth0 down
$ifc eth0 0.0.0.0
$bridge addif br0 eth0

}


stop_bridge() {
$bridge delif br0 eth0
$bridge delif br0 eth1
$ifc br0 down
$bridge delbr br0 
}

stop_eth0() {
$ifc eth0 down
$bridge delif br0 eth0

}

stop_eth1() {
$ifc eth1 down
$bridge delif br0 eth1
}

case "$1" in 
    start|restart) 
    start_bridge
;;    
    stop)
    stop_bridge
;;
    del-eth0)
    stop_eth0
;;    
    del-eth1)
    stop_eth1
;;
    add-eth0)
    start_eth0
;;
    *)
    clear
    echo -e "\n usage:\n\n start\n restart\n stop\n del-eth0\n del-eth1\n add-eth0\n" 
;;    
esac