set second port as gateway

RouterOS Beginner Basics
1

Hello,
i have bought a RB750 the default configuration for rb750 is port 1 is gateway and 2-5 is switch how can i set port 2 as a gateway and port 3-5 as switch?
because i have 2 internet provider and i want connect my 2internet provider to my router,

Thanks,

2

For ether4-5 set master-port to ether3. Now ether2 is not switched and you can use it as secondary gateway.

3

thanks,

4

thanks,