# after dhcp we have TWO default routes (WAN and WAN2's) - delete WAN2 from main default route
ip route delete  default via 85.64.202.1

ip route flush table 202
# copy routes for NIC's to table 202
ip route show table main | grep -Ev ^default | while read ROUTE ; do ip route add table 202 $ROUTE; done
# add default route for WAN2 on table 202
ip route add table 202 default via 85.64.202.1 dev vlan2

#iptables -t mangle -A PREROUTING -p tcp -s 192.168.0.90 --dport 80 -j MARK --set-mark 0x4
iptables -t nat -A postrouting_rule -o vlan2 -j SNAT --to-source 85.64.202.6
ip rule add fwmark 0x4 table 202
ip route flush cache