OpenVPN Client Up Script

client_up.sh

#!/bin/bash
#Clear all routes on vpn routing table (this is to make sure there isn't any crap left over from a previous vpn connection
/sbin/ip route flush table 100

#Copy routing table from main routing table into vpn table
/sbin/ip route show table main | grep -Ev ^default | while read ROUTE ; do ip route add table vpn $ROUTE; done

#Add default gateway to vpn routing table
/sbin/ip route add default via ${route_vpn_gateway} dev ${dev} table 100
/sbin/ip rule add from ${ifconfig_local} table 100