#!/bin/bash
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ip link|grep BROADCAST|grep -v eth0|grep -v eth1|cut -d ":" -f 2 > /tmp/iflist
ip addr show eth2 | grep "inet" 2>&1 > /dev/null
is_init=$?

set -e

while read i
do
    # if eth2'ip has already been configured, we would use ifconfig rather than ifdown/ifup
    if [ "$i" == "eth2" -a "$is_init" != "0" ]
    then
        ifdown $i
        ifup $i
    else
        ifconfig $i down
        ifconfig $i up
    fi
done < /tmp/iflist
ip route add default via [GATEWAY] dev eth2

while read line
do
dev=$(echo $line | awk '{print $1'})
gw=$(echo $line | awk '{print $2'})

if [ "$dev" == "eth2" ]
then
    continue;
fi
ip route add default via $gw table Table_$dev proto static

done < /var/cache/cloud/ifaceGwIp