#! /bin/sh BR=${1:-"br549"} ETH=${2:-"eth0"} # fetch ip of working eth0 IP=`/sbin/ifconfig $ETH | sed -n -e 's/^.*inet addr:\([0-9][0-9\.]*\).*$/\1/p'` echo "Using IP address $IP" ifconfig $ETH 0.0.0.0 brctl addbr $BR brctl addif $BR $ETH ifconfig $BR $IP