@Jorinf 

Did you try IPSec manually? I can add multi-subnets as Remote Subnet. Also I can choose the local subnet that I want to use VPN tunnel. See the screenshot

  @Somnus 

i there

but how can i define de remote gateway.

do i need fixed ip on every locations?

thanks in advance

  @Jorinf 

Remote Gateway is your remote side router's WAN IP address. It must be a public IP.

If you don't have static IP from Internet service provider, you can use DDNS function to bind the IP to a URL. On Remote Gateway box you can put in the URL from your DDNS service