gw_selector.sh

#!/bin/bash
#
# indices 0              1              2
gws=( "192.168.0.1" "192.168.1.1" "192.168.88.254" )


if ping ${gws[0]} -c 1 > /dev/null 2>&1;then

        echo "Gateway ${gws[0]} online, seteando"

        echo "ip route add default via ${gws[0]}"

elif ping ${gws[1]} -c 1 > /dev/null 2>&1;then

        echo "Gateway ${gws[1]} online, seteando"

        echo "ip route add default via ${gws[1]}"


elif ping ${gws[2]} -c 1 > /dev/null 2>&1;then

        echo "Gateway ${gws[2]} online, seteando"

        echo "ip route add default via ${gws[2]}"

else
        echo Ningun gateway esta online

fi
~