So in a way it's a routing logic question. The standard routing table points to the primary ISP, and I have created a prerouting mangle rule to mark the PPTP packets and a static route that matches that routing mark and forwards the PPTP traffic over the backup connection. The problem is, I don't see the mangle rule working at all... is this because the traffic is originated by the router? How can I make it work for such traffic?
Code: Select all
/ip route add distance=1 gateway=192.168.1.1 routing-mark=backup /ip firewall mangle add action=mark-routing chain=prerouting dst-port=1723 new-routing-mark=backup passthrough=yes protocol=tcp