Multiple WAN ISP’s link with SAME GATEWAY [03/10-OCT/2014]

If you have multiple ISP’s link with SAME gateway, then you can add routes like this.

1 2	/ip route gateway=1.1.1.1%ether1 distance=1 /ip route gateway=1.1.1.1%ether2 distance=2

Note: 1.1.1.1 is ISP gateway, and ether1 and ether2 are the interfaces connected with ISP1 and ISP2.