I search keyword “l2tp” and find the post:
http://forum.mikrotik.com/t/policy-routing-l2tp-and-multiple-wans/36807/1
http://forum.mikrotik.com/t/l2tp-over-2-external-ips/13460/1
http://forum.mikrotik.com/t/l2tp-tunnels-with-multiple-internet-connections-issues/49379/1
But after testing still don’t succeed.
Anyone have Similar problems ?