hi!
I want to know how can I use RouterOS with two Internet providers. I want to share them(ISP1 & ISP2 to LAN) in the following way: connections pointed to port 80 directed to ISP1 and all other connections directed to ISP2
sorry for my english
http://wiki.mikrotik.com/wiki/Load_Balancing_over_Multiple_Gateways
Follow that guide, but mangle based on destination port.
wow that was fast! thank you 
now question number two:
RB750 and 2 ISP’s … works? (with virtual interface… like eth0:1 on linux )
Haven’t worked with an BR750, but I don’t see why it wouldn’t work as long as it has multiple ethernet interfaces you can access un-bridged (and I think it does). I’m not sure why you’d need a virtual interface, though. ether1 is WAN uplink 1, ether 2 is WAN uplink 2, ether3-5 are LAN ports (for example).
i hope so
again: thanks!
another problem: my dsl provider (ISP1) offers me IP via DHCP. The gateway from the new route will be changed automatically by the routeros? (i don’t have iet any routeros devices to test:( )
http://wiki.mikrotik.com/images/d/dd/Dual_gw_26.jpg
If I use torrent clients with routerboard 750… it’s possible to get 80-90 mbps from it?
no, it won’t be changed automatically… you should use scripting to update your routes with new gateway
As long as ‘add-default-route’ is set to ‘yes’, shouldn’t it populate the routing table with a default gateway received via DHCP, and update that route when the lease is renewed or changed?
have you seen the screenshot?..
well, psymax, you can try to use routing filters to set routing-mark for connected routes (when using ‘add-default-route’)
Whoops. Comment withdrawn.
hihi the packet with my rb750 arrived. after 4h of research i made it to work with dhcp